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Dit is echter niet verplicht." class=""><span>Account aanmaken</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Speciaal:Aanmelden&returnto=Knoop+%28snelheid%29" title="U wordt van harte uitgenodigd om aan te melden, maar dit is niet verplicht [o]" accesskey="o" class=""><span>Aanmelden</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Meer opties" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Persoonlijke hulpmiddelen" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Persoonlijke hulpmiddelen</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="Gebruikersmenu" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_nl.wikipedia.org&uselang=nl"><span>Doneren</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Speciaal:GebruikerAanmaken&returnto=Knoop+%28snelheid%29" title="Registreer u vooral en meld u aan. Dit is echter niet verplicht."><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Account aanmaken</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Speciaal:Aanmelden&returnto=Knoop+%28snelheid%29" title="U wordt van harte uitgenodigd om aan te melden, maar dit is niet verplicht [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Aanmelden</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Pagina's voor uitgelogde redacteuren <a href="/wiki/Help:Inleiding" aria-label="Meer leren over bewerken"><span>meer lezen</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Speciaal:MijnBijdragen" title="Bijdragen IP-adres [y]" accesskey="y"><span>Bijdragen</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Speciaal:MijnOverleg" title="Overlegpagina van de anonieme gebruiker van dit IP-adres [n]" accesskey="n"><span>Overleg</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Inhoud" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Inhoud</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">naar zijbalk verplaatsen</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">verbergen</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Top</div> </a> </li> <li id="toc-Herkomst" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Herkomst"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Herkomst</span> </div> </a> <ul id="toc-Herkomst-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Windsnelheid" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Windsnelheid"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Windsnelheid</span> </div> </a> <ul id="toc-Windsnelheid-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Inhoud" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Inhoudsopgave omschakelen" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Inhoudsopgave omschakelen</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Knoop (snelheid)</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Ga naar een artikel in een andere taal. Beschikbaar in 77 talen" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-77" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">77 talen</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Knoop_(snelheid)" title="Knoop (snelheid) – Afrikaans" lang="af" hreflang="af" data-title="Knoop (snelheid)" data-language-autonym="Afrikaans" data-language-local-name="Afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B9%D9%82%D8%AF%D8%A9_(%D9%88%D8%AD%D8%AF%D8%A9)" title="عقدة (وحدة) – Arabisch" lang="ar" hreflang="ar" data-title="عقدة (وحدة)" data-language-autonym="العربية" data-language-local-name="Arabisch" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-as mw-list-item"><a href="https://as.wikipedia.org/wiki/%E0%A6%A8%E0%A6%9F" title="নট – Assamees" lang="as" hreflang="as" data-title="নট" data-language-autonym="অসমীয়া" data-language-local-name="Assamees" class="interlanguage-link-target"><span>অসমীয়া</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Nuedu_(unid%C3%A1)" title="Nuedu (unidá) – Asturisch" lang="ast" hreflang="ast" data-title="Nuedu (unidá)" data-language-autonym="Asturianu" data-language-local-name="Asturisch" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/D%C3%BCy%C3%BCn_(%C3%B6l%C3%A7%C3%BC_vahidi)" title="Düyün (ölçü vahidi) – Azerbeidzjaans" lang="az" hreflang="az" data-title="Düyün (ölçü vahidi)" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbeidzjaans" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D8%AF%D9%88%DB%8C%D9%88%D9%86_(%D8%A7%D8%A4%D9%84%DA%86%D9%88_%D8%A8%DB%8C%D8%B1%DB%8C%D9%85%DB%8C)" title="دویون (اؤلچو بیریمی) – South Azerbaijani" lang="azb" hreflang="azb" data-title="دویون (اؤلچو بیریمی)" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-bar mw-list-item"><a href="https://bar.wikipedia.org/wiki/Knupf_(Oaheid)" title="Knupf (Oaheid) – Beiers" lang="bar" hreflang="bar" data-title="Knupf (Oaheid)" data-language-autonym="Boarisch" data-language-local-name="Beiers" class="interlanguage-link-target"><span>Boarisch</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%92%D1%83%D0%B7%D0%B5%D0%BB_(%D0%B0%D0%B4%D0%B7%D1%96%D0%BD%D0%BA%D0%B0_%D0%B2%D1%8B%D0%BC%D1%8F%D1%80%D1%8D%D0%BD%D0%BD%D1%8F)" title="Вузел (адзінка вымярэння) – Belarussisch" lang="be" hreflang="be" data-title="Вузел (адзінка вымярэння)" data-language-autonym="Беларуская" data-language-local-name="Belarussisch" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%92%D1%83%D0%B7%D0%B5%D0%BB_(%D0%B0%D0%B4%D0%B7%D1%96%D0%BD%D0%BA%D0%B0_%D0%B2%D1%8B%D0%BC%D1%8F%D1%80%D1%8D%D0%BD%D1%8C%D0%BD%D1%8F)" title="Вузел (адзінка вымярэньня) – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Вузел (адзінка вымярэньня)" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%92%D1%8A%D0%B7%D0%B5%D0%BB_(%D1%81%D0%BA%D0%BE%D1%80%D0%BE%D1%81%D1%82)" title="Възел (скорост) – Bulgaars" lang="bg" hreflang="bg" data-title="Възел (скорост)" data-language-autonym="Български" data-language-local-name="Bulgaars" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bo mw-list-item"><a href="https://bo.wikipedia.org/wiki/%E0%BD%9A%E0%BD%B2%E0%BD%82%E0%BD%A6%E0%BC%8D" title="ཚིགས། – Tibetaans" lang="bo" hreflang="bo" data-title="ཚིགས།" data-language-autonym="བོད་ཡིག" data-language-local-name="Tibetaans" class="interlanguage-link-target"><span>བོད་ཡིག</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Skoulm_(unanenn)" title="Skoulm (unanenn) – Bretons" lang="br" hreflang="br" data-title="Skoulm (unanenn)" data-language-autonym="Brezhoneg" data-language-local-name="Bretons" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Nus_(unitat)" title="Nus (unitat) – Catalaans" lang="ca" hreflang="ca" data-title="Nus (unitat)" data-language-autonym="Català" data-language-local-name="Catalaans" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Uzel_(jednotka)" title="Uzel (jednotka) – Tsjechisch" lang="cs" hreflang="cs" data-title="Uzel (jednotka)" data-language-autonym="Čeština" data-language-local-name="Tsjechisch" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%A2%C4%95%D0%B2%C4%95_(%D0%B2%D0%B8%C3%A7%D0%B5%D0%B2_%D0%BF%C4%95%D1%80%D1%87%D0%B8)" title="Тĕвĕ (виçев пĕрчи) – Tsjoevasjisch" lang="cv" hreflang="cv" data-title="Тĕвĕ (виçев пĕрчи)" data-language-autonym="Чӑвашла" data-language-local-name="Tsjoevasjisch" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Knob_(fart)" title="Knob (fart) – Deens" lang="da" hreflang="da" data-title="Knob (fart)" data-language-autonym="Dansk" data-language-local-name="Deens" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Knoten_(Einheit)" title="Knoten (Einheit) – Duits" lang="de" hreflang="de" data-title="Knoten (Einheit)" data-language-autonym="Deutsch" data-language-local-name="Duits" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%9A%CF%8C%CE%BC%CE%B2%CE%BF%CF%82" title="Κόμβος – Grieks" lang="el" hreflang="el" data-title="Κόμβος" data-language-autonym="Ελληνικά" data-language-local-name="Grieks" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Knot_(unit)" title="Knot (unit) – Engels" lang="en" hreflang="en" data-title="Knot (unit)" data-language-autonym="English" data-language-local-name="Engels" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Knoto" title="Knoto – Esperanto" lang="eo" hreflang="eo" data-title="Knoto" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Nudo_(unidad)" title="Nudo (unidad) – Spaans" lang="es" hreflang="es" data-title="Nudo (unidad)" data-language-autonym="Español" data-language-local-name="Spaans" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/S%C3%B5lm_(kiirus%C3%BChik)" title="Sõlm (kiirusühik) – Estisch" lang="et" hreflang="et" data-title="Sõlm (kiirusühik)" data-language-autonym="Eesti" data-language-local-name="Estisch" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Korapilo_(abiadura_unitatea)" title="Korapilo (abiadura unitatea) – Baskisch" lang="eu" hreflang="eu" data-title="Korapilo (abiadura unitatea)" data-language-autonym="Euskara" data-language-local-name="Baskisch" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%DA%AF%D8%B1%D9%87_(%DB%8C%DA%A9%D8%A7%DB%8C_%D8%B3%D8%B1%D8%B9%D8%AA)" title="گره (یکای سرعت) – Perzisch" lang="fa" hreflang="fa" data-title="گره (یکای سرعت)" data-language-autonym="فارسی" data-language-local-name="Perzisch" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Solmu_(nopeusyksikk%C3%B6)" title="Solmu (nopeusyksikkö) – Fins" lang="fi" hreflang="fi" data-title="Solmu (nopeusyksikkö)" data-language-autonym="Suomi" data-language-local-name="Fins" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/N%C5%93ud_(unit%C3%A9)" title="Nœud (unité) – Frans" lang="fr" hreflang="fr" data-title="Nœud (unité)" data-language-autonym="Français" data-language-local-name="Frans" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-frr badge-Q70894304 mw-list-item" title=""><a href="https://frr.wikipedia.org/wiki/Knoot" title="Knoot – Noord-Fries" lang="frr" hreflang="frr" data-title="Knoot" data-language-autonym="Nordfriisk" data-language-local-name="Noord-Fries" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Muirmh%C3%ADle" title="Muirmhíle – Iers" lang="ga" hreflang="ga" data-title="Muirmhíle" data-language-autonym="Gaeilge" data-language-local-name="Iers" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/N%C3%B3_(n%C3%A1utica)" title="Nó (náutica) – Galicisch" lang="gl" hreflang="gl" data-title="Nó (náutica)" data-language-autonym="Galego" data-language-local-name="Galicisch" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A7%D7%A9%D7%A8_(%D7%99%D7%97%D7%99%D7%93%D7%AA_%D7%9E%D7%99%D7%93%D7%94)" title="קשר (יחידת מידה) – Hebreeuws" lang="he" hreflang="he" data-title="קשר (יחידת מידה)" data-language-autonym="עברית" data-language-local-name="Hebreeuws" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%A8%E0%A5%89%E0%A4%9F_(%E0%A4%87%E0%A4%95%E0%A4%BE%E0%A4%88)" title="नॉट (इकाई) – Hindi" lang="hi" hreflang="hi" data-title="नॉट (इकाई)" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/%C4%8Cvor" title="Čvor – Kroatisch" lang="hr" hreflang="hr" data-title="Čvor" data-language-autonym="Hrvatski" data-language-local-name="Kroatisch" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%80%D5%A1%D5%B6%D5%A3%D5%B8%D6%82%D5%B5%D6%81_(%D5%B9%D5%A1%D6%83%D5%B4%D5%A1%D5%B6_%D5%B4%D5%AB%D5%A1%D5%BE%D5%B8%D6%80)" title="Հանգույց (չափման միավոր) – Armeens" lang="hy" hreflang="hy" data-title="Հանգույց (չափման միավոր)" data-language-autonym="Հայերեն" data-language-local-name="Armeens" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Knot_(satuan)" title="Knot (satuan) – Indonesisch" lang="id" hreflang="id" data-title="Knot (satuan)" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesisch" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Hn%C3%BAtur_(m%C3%A6lieining)" title="Hnútur (mælieining) – IJslands" lang="is" hreflang="is" data-title="Hnútur (mælieining)" data-language-autonym="Íslenska" data-language-local-name="IJslands" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Nodo_(unit%C3%A0_di_misura)" title="Nodo (unità di misura) – Italiaans" lang="it" hreflang="it" data-title="Nodo (unità di misura)" data-language-autonym="Italiano" data-language-local-name="Italiaans" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%83%8E%E3%83%83%E3%83%88" title="ノット – Japans" lang="ja" hreflang="ja" data-title="ノット" data-language-autonym="日本語" data-language-local-name="Japans" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%99%E1%83%95%E1%83%90%E1%83%9C%E1%83%AB%E1%83%98_(%E1%83%9C%E1%83%90%E1%83%95%E1%83%98%E1%83%92%E1%83%90%E1%83%AA%E1%83%98%E1%83%90)" title="კვანძი (ნავიგაცია) – Georgisch" lang="ka" hreflang="ka" data-title="კვანძი (ნავიგაცია)" data-language-autonym="ქართული" data-language-local-name="Georgisch" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%A2%D2%AF%D0%B9%D1%96%D0%BD_(%D3%A9%D0%BB%D1%88%D0%B5%D0%BC_%D0%B1%D1%96%D1%80%D0%BB%D1%96%D0%B3%D1%96)" title="Түйін (өлшем бірлігі) – Kazachs" lang="kk" hreflang="kk" data-title="Түйін (өлшем бірлігі)" data-language-autonym="Қазақша" data-language-local-name="Kazachs" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-km mw-list-item"><a href="https://km.wikipedia.org/wiki/%E1%9E%8E%E1%9E%BB%E1%9E%8F" title="ណុត – Khmer" lang="km" hreflang="km" data-title="ណុត" data-language-autonym="ភាសាខ្មែរ" data-language-local-name="Khmer" class="interlanguage-link-target"><span>ភាសាខ្មែរ</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%85%B8%ED%8A%B8_(%EB%8B%A8%EC%9C%84)" title="노트 (단위) – Koreaans" lang="ko" hreflang="ko" data-title="노트 (단위)" data-language-autonym="한국어" data-language-local-name="Koreaans" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Knuet_(Nautik)" title="Knuet (Nautik) – Luxemburgs" lang="lb" hreflang="lb" data-title="Knuet (Nautik)" data-language-autonym="Lëtzebuergesch" data-language-local-name="Luxemburgs" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Noeud_(unitaa_de_misura)" title="Noeud (unitaa de misura) – Lombardisch" lang="lmo" hreflang="lmo" data-title="Noeud (unitaa de misura)" data-language-autonym="Lombard" data-language-local-name="Lombardisch" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Mazgas_(matas)" title="Mazgas (matas) – Litouws" lang="lt" hreflang="lt" data-title="Mazgas (matas)" data-language-autonym="Lietuvių" data-language-local-name="Litouws" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Mezgls_(%C4%81truma_m%C4%93rvien%C4%ABba)" title="Mezgls (ātruma mērvienība) – Lets" lang="lv" hreflang="lv" data-title="Mezgls (ātruma mērvienība)" data-language-autonym="Latviešu" data-language-local-name="Lets" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-min mw-list-item"><a href="https://min.wikipedia.org/wiki/Knot_(satuan)" title="Knot (satuan) – Minangkabau" lang="min" hreflang="min" data-title="Knot (satuan)" data-language-autonym="Minangkabau" data-language-local-name="Minangkabau" class="interlanguage-link-target"><span>Minangkabau</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%88%D0%B0%D0%B7%D0%BE%D0%BB_(%D0%B5%D0%B4%D0%B8%D0%BD%D0%B8%D1%86%D0%B0)" title="Јазол (единица) – Macedonisch" lang="mk" hreflang="mk" data-title="Јазол (единица)" data-language-autonym="Македонски" data-language-local-name="Macedonisch" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%A8%E0%A5%89%E0%A4%9F_(%E0%A4%8F%E0%A4%95%E0%A4%95)" title="नॉट (एकक) – Marathi" lang="mr" hreflang="mr" data-title="नॉट (एकक)" data-language-autonym="मराठी" data-language-local-name="Marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Knot" title="Knot – Maleis" lang="ms" hreflang="ms" data-title="Knot" data-language-autonym="Bahasa Melayu" data-language-local-name="Maleis" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Knop" title="Knop – Noors - Nynorsk" lang="nn" hreflang="nn" data-title="Knop" data-language-autonym="Norsk nynorsk" data-language-local-name="Noors - Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Knop_(m%C3%A5l)" title="Knop (mål) – Noors - Bokmål" lang="nb" hreflang="nb" data-title="Knop (mål)" data-language-autonym="Norsk bokmål" data-language-local-name="Noors - Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Nos_(unitat)" title="Nos (unitat) – Occitaans" lang="oc" hreflang="oc" data-title="Nos (unitat)" data-language-autonym="Occitan" data-language-local-name="Occitaans" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%A8%E0%A9%8C%E0%A8%9F_(%E0%A8%87%E0%A8%95%E0%A8%BE%E0%A8%88)" title="ਨੌਟ (ਇਕਾਈ) – Punjabi" lang="pa" hreflang="pa" data-title="ਨੌਟ (ਇਕਾਈ)" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="Punjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/W%C4%99ze%C5%82_(jednostka_pr%C4%99dko%C5%9Bci)" title="Węzeł (jednostka prędkości) – Pools" lang="pl" hreflang="pl" data-title="Węzeł (jednostka prędkości)" data-language-autonym="Polski" data-language-local-name="Pools" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pms mw-list-item"><a href="https://pms.wikipedia.org/wiki/Neu" title="Neu – Piëmontees" lang="pms" hreflang="pms" data-title="Neu" data-language-autonym="Piemontèis" data-language-local-name="Piëmontees" class="interlanguage-link-target"><span>Piemontèis</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/N%C3%B3_(unidade)" title="Nó (unidade) – Portugees" lang="pt" hreflang="pt" data-title="Nó (unidade)" data-language-autonym="Português" data-language-local-name="Portugees" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Nod_(unitate_de_m%C4%83sur%C4%83)" title="Nod (unitate de măsură) – Roemeens" lang="ro" hreflang="ro" data-title="Nod (unitate de măsură)" data-language-autonym="Română" data-language-local-name="Roemeens" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A3%D0%B7%D0%B5%D0%BB_(%D0%B5%D0%B4%D0%B8%D0%BD%D0%B8%D1%86%D0%B0_%D0%B8%D0%B7%D0%BC%D0%B5%D1%80%D0%B5%D0%BD%D0%B8%D1%8F)" title="Узел (единица измерения) – Russisch" lang="ru" hreflang="ru" data-title="Узел (единица измерения)" data-language-autonym="Русский" data-language-local-name="Russisch" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/Ruppu_(unitati_di_misura)" title="Ruppu (unitati di misura) – Siciliaans" lang="scn" hreflang="scn" data-title="Ruppu (unitati di misura)" data-language-autonym="Sicilianu" data-language-local-name="Siciliaans" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-sco mw-list-item"><a href="https://sco.wikipedia.org/wiki/Knot_(unit)" title="Knot (unit) – Schots" lang="sco" hreflang="sco" data-title="Knot (unit)" data-language-autonym="Scots" data-language-local-name="Schots" class="interlanguage-link-target"><span>Scots</span></a></li><li class="interlanguage-link interwiki-sd mw-list-item"><a href="https://sd.wikipedia.org/wiki/%D9%86%D8%A7%D9%BD" title="ناٽ – Sindhi" lang="sd" hreflang="sd" data-title="ناٽ" data-language-autonym="سنڌي" data-language-local-name="Sindhi" class="interlanguage-link-target"><span>سنڌي</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/%C4%8Cvor_(mjerna_jedinica)" title="Čvor (mjerna jedinica) – Servo-Kroatisch" lang="sh" hreflang="sh" data-title="Čvor (mjerna jedinica)" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Servo-Kroatisch" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Knot_(speed)" title="Knot (speed) – Simple English" lang="en-simple" hreflang="en-simple" data-title="Knot (speed)" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/N%C3%A1morn%C3%BD_uzol" title="Námorný uzol – Slowaaks" lang="sk" hreflang="sk" data-title="Námorný uzol" data-language-autonym="Slovenčina" data-language-local-name="Slowaaks" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Vozel_(enota)" title="Vozel (enota) – Sloveens" lang="sl" hreflang="sl" data-title="Vozel (enota)" data-language-autonym="Slovenščina" data-language-local-name="Sloveens" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Nyja" title="Nyja – Albanees" lang="sq" hreflang="sq" data-title="Nyja" data-language-autonym="Shqip" data-language-local-name="Albanees" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%A7%D0%B2%D0%BE%D1%80_(%D0%B1%D1%80%D0%B7%D0%B8%D0%BD%D0%B0)" title="Чвор (брзина) – Servisch" lang="sr" hreflang="sr" data-title="Чвор (брзина)" data-language-autonym="Српски / srpski" data-language-local-name="Servisch" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Knop_(enhet)" title="Knop (enhet) – Zweeds" lang="sv" hreflang="sv" data-title="Knop (enhet)" data-language-autonym="Svenska" data-language-local-name="Zweeds" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Noti_(kizio)" title="Noti (kizio) – Swahili" lang="sw" hreflang="sw" data-title="Noti (kizio)" data-language-autonym="Kiswahili" data-language-local-name="Swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%99%E0%B8%AD%E0%B8%95" title="นอต – Thai" lang="th" hreflang="th" data-title="นอต" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Knot" title="Knot – Turks" lang="tr" hreflang="tr" data-title="Knot" data-language-autonym="Türkçe" data-language-local-name="Turks" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%92%D1%83%D0%B7%D0%BE%D0%BB_(%D0%BE%D0%B4%D0%B8%D0%BD%D0%B8%D1%86%D1%8F_%D1%88%D0%B2%D0%B8%D0%B4%D0%BA%D0%BE%D1%81%D1%82%D1%96)" title="Вузол (одиниця швидкості) – Oekraïens" lang="uk" hreflang="uk" data-title="Вузол (одиниця швидкості)" data-language-autonym="Українська" data-language-local-name="Oekraïens" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/N%C3%BAt_(%C4%91%C6%A1n_v%E1%BB%8B)" title="Nút (đơn vị) – Vietnamees" lang="vi" hreflang="vi" data-title="Nút (đơn vị)" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamees" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Nudo" title="Nudo – Waray" lang="war" hreflang="war" data-title="Nudo" data-language-autonym="Winaray" data-language-local-name="Waray" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E8%8A%82%EF%BC%88%E5%8D%95%E4%BD%8D%EF%BC%89" title="节（单位） – Wuyu" lang="wuu" hreflang="wuu" data-title="节（单位）" data-language-autonym="吴语" data-language-local-name="Wuyu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E7%AF%80_(%E5%96%AE%E4%BD%8D)" title="節 (單位) – Chinees" lang="zh" hreflang="zh" data-title="節 (單位)" data-language-autonym="中文" data-language-local-name="Chinees" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E7%AF%80_(%E5%96%AE%E4%BD%8D)" title="節 (單位) – Kantonees" lang="yue" hreflang="yue" data-title="節 (單位)" data-language-autonym="粵語" data-language-local-name="Kantonees" class="interlanguage-link-target"><span>粵語</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q128822#sitelinks-wikipedia" title="Taalkoppelingen bewerken" class="wbc-editpage">Koppelingen bewerken</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div 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data-event-name="pinnable-header.vector-appearance.unpin">verbergen</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Uit Wikipedia, de vrije encyclopedie</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="nl" dir="ltr"><p>De <b>knoop</b>, afgekort <b>kt</b> of ook <b>kn</b>, is een <a href="/wiki/Natuurkundige_grootheden_en_eenheden" title="Natuurkundige grootheden en eenheden">eenheid</a> van <a href="/wiki/Snelheid" title="Snelheid">snelheid</a> (<a href="/wiki/Vaart_(scheepvaart)" title="Vaart (scheepvaart)">vaart</a>) die veel gebruikt wordt in de <a href="/wiki/Scheepvaart" title="Scheepvaart">scheepvaart</a> en in de gemotoriseerde <a href="/wiki/Luchtvaart" title="Luchtvaart">luchtvaart</a>. Een knoop is een <a href="/wiki/Zeemijl" title="Zeemijl">zeemijl</a> per uur. Een zeemijl is gedefinieerd als precies 1852 meter. </p><p>Een knoop is dus een snelheid van <span class="nowrap">1,852 km/h</span> ofwel <span class="nowrap">0,5144... m/s</span>. </p><p>Omdat een knoop al een snelheid (afgelegde afstand per tijdseenheid) is, is het onjuist om wanneer snelheid bedoeld wordt te spreken van knopen per uur. </p><p>De lengte van een zeemijl is afgeleid uit de omtrek van de <a href="/wiki/Aarde_(planeet)" title="Aarde (planeet)">aardbol</a> (gesteld op <span class="nowrap">40.000 km</span>). Een zeemijl is dan gelijk aan het, op meters afgeronde, <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\tfrac {1}{60}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="false" scriptlevel="0"> <mfrac> <mn>1</mn> <mn>60</mn> </mfrac> </mstyle> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\tfrac {1}{60}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/afabe0aeeb6126c816a5dd828887cdfa1582bb39" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.338ex; width:2.48ex; height:3.676ex;" alt="{\displaystyle {\tfrac {1}{60}}}"></span>e deel van een <a href="/wiki/Booggraad" title="Booggraad">booggraad</a> op die omtrek. Dus: </p> <dl><dd>1 <a href="/wiki/Zeemijl" title="Zeemijl">zeemijl</a> <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle =1\,\mathrm {NM} =(40.000\,\mathrm {km} /(360\times 60))\times 1000\approx 1\,851{,}851\,851\,85\ldots \,\mathrm {m} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo>=</mo> <mn>1</mn> <mspace width="thinmathspace" /> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">N</mi> <mi mathvariant="normal">M</mi> </mrow> <mo>=</mo> <mo stretchy="false">(</mo> <mn>40.000</mn> <mspace width="thinmathspace" /> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">k</mi> <mi mathvariant="normal">m</mi> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mo>/</mo> </mrow> <mo stretchy="false">(</mo> <mn>360</mn> <mo>×</mo> <mn>60</mn> <mo stretchy="false">)</mo> <mo stretchy="false">)</mo> <mo>×</mo> <mn>1000</mn> <mo>≈</mo> <mn>1</mn> <mspace width="thinmathspace" /> <mn>851,851</mn> <mspace width="thinmathspace" /> <mn>851</mn> <mspace width="thinmathspace" /> <mn>85</mn> <mo>…</mo> <mspace width="thinmathspace" /> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">m</mi> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle =1\,\mathrm {NM} =(40.000\,\mathrm {km} /(360\times 60))\times 1000\approx 1\,851{,}851\,851\,85\ldots \,\mathrm {m} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/1584e7246973e9172196124d1b15ced28a1e1b0c" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:66.585ex; height:2.843ex;" alt="{\displaystyle =1\,\mathrm {NM} =(40.000\,\mathrm {km} /(360\times 60))\times 1000\approx 1\,851{,}851\,851\,85\ldots \,\mathrm {m} }"></span> ⇒</dd> <dd>afgerond en per definitie: <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle 1852\,\mathrm {m} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mn>1852</mn> <mspace width="thinmathspace" /> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">m</mi> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle 1852\,\mathrm {m} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/8ea6eb8aaa23d64ab25277904d413c36a7ca3eb1" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:6.973ex; height:2.176ex;" alt="{\displaystyle 1852\,\mathrm {m} }"></span></dd></dl> <p>In de luchtvaart en zeevaart is Engels de voertaal en wordt gesproken van <i>knots</i>. </p> <div class="mw-heading mw-heading2"><h2 id="Herkomst">Herkomst</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Knoop_(snelheid)&veaction=edit&section=1" title="Bewerk dit kopje: Herkomst" class="mw-editsection-visualeditor"><span>bewerken</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Knoop_(snelheid)&action=edit&section=1" title="De broncode bewerken van de sectie: Herkomst"><span>brontekst bewerken</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Vroeger werd op <a href="/wiki/Zeilschip" title="Zeilschip">zeilschepen</a> de snelheid gemeten door een houtblok of plankje, het <a href="/wiki/Log_(scheepvaart)" title="Log (scheepvaart)">log</a>, aan een lijn overboord te gooien. De log bleef tamelijk onbeweeglijk in het water liggen, terwijl de boot doorvoer en de lijn afrolde. Door te meten hoeveel van de lijn in een bepaalde tijd afgerold werd, kon de snelheid van het schip bepaald worden. Aanvankelijk werd de lijn apart opgemeten, later werden er op regelmatige afstanden knopen in gelegd, zodat de afgerolde lengte eenvoudiger bepaald kon worden. Uiteindelijk werd de afstand tussen de knopen genormaliseerd op 47 <a href="/wiki/Voet_(lengtemaat)" title="Voet (lengtemaat)">voet</a> en 3 <a href="/wiki/Inch" title="Inch">inches</a> (14,4018 meter), wat met een standaardglas (<a href="/wiki/Zandloper" title="Zandloper">zandloper</a>) van 28 seconden rechtstreeks de snelheid in knopen gaf <span class="nowrap">(<span class="nowrap" style="display:inline-block; vertical-align:-0.5em; font-size:85%; text-align:center;"><span style="display:block; line-height:1em; padding:0 0.1em;">14,4018</span><span style="display:none">/</span><span style="display:block; line-height:1em; padding:0 0.1em; border-top:1px solid;">28</span></span> × 3,6 = 1,85166 km/h)</span>. De telgegevens werden genoteerd in het <a href="/wiki/Logboek" title="Logboek">logboek</a>. De stuurman kon dan met deze gegevens navigeren. (<a href="/wiki/Gegist_bestek" title="Gegist bestek">gegist bestek</a>) </p><p>De snelheid werd dus eigenlijk gemeten in knopen per glas (van 28 seconden), afgerond <span class="nowrap">1,852 km/h</span>. Toch wordt deze eenheid van snelheid niet knopen per glas, maar knoop genoemd. </p> <div class="mw-heading mw-heading2"><h2 id="Windsnelheid">Windsnelheid</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Knoop_(snelheid)&veaction=edit&section=2" title="Bewerk dit kopje: Windsnelheid" class="mw-editsection-visualeditor"><span>bewerken</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Knoop_(snelheid)&action=edit&section=2" title="De broncode bewerken van de sectie: Windsnelheid"><span>brontekst bewerken</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In de <a href="/wiki/Meteorologie" title="Meteorologie">meteorologie</a> worden <a href="/wiki/Schaal_van_Beaufort" title="Schaal van Beaufort">windsnelheden</a> van <a href="/wiki/Tropische_cycloon" title="Tropische cycloon">tropische cyclonen</a> uitgedrukt in knopen. Dit geldt zowel voor de doorstaande winden als de windstoten. Ook de koerssnelheid van een tropische cycloon wordt in knopen uitgedrukt. De windsnelheden van de doorstaande wind en van de windstoten worden dan op vijf knopen afgerond. Bij het uitdrukken van zo'n snelheid in km/h wordt vaak nog verder afgerond tot op hele kilometers per uur. </p>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Overgenomen van "<a dir="ltr" href="https://nl.wikipedia.org/w/index.php?title=Knoop_(snelheid)&oldid=67605177">https://nl.wikipedia.org/w/index.php?title=Knoop_(snelheid)&oldid=67605177</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Categorie:Alles" title="Categorie:Alles">Categorieën</a>: <ul><li><a href="/wiki/Categorie:Niet-SI-eenheid" title="Categorie:Niet-SI-eenheid">Niet-SI-eenheid</a></li><li><a href="/wiki/Categorie:Luchtvaart" title="Categorie:Luchtvaart">Luchtvaart</a></li><li><a href="/wiki/Categorie:Scheepvaartterminologie" title="Categorie:Scheepvaartterminologie">Scheepvaartterminologie</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> Deze pagina is voor het laatst bewerkt op 30 mei 2024 om 21:33.</li> <li id="footer-info-copyright">De tekst is beschikbaar onder de licentie <a rel="nofollow" class="external text" href="//creativecommons.org/licenses/by-sa/4.0/deed.nl">Creative Commons Naamsvermelding/Gelijk delen</a>, er kunnen aanvullende voorwaarden van toepassing zijn. 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