{"id":1927,"date":"2024-01-16T21:03:36","date_gmt":"2024-01-16T21:03:36","guid":{"rendered":"https:\/\/quickpercentcalc.com\/misc\/wattilaskuri\/"},"modified":"2025-04-08T15:13:48","modified_gmt":"2025-04-08T15:13:48","slug":"wattilaskuri","status":"publish","type":"page","link":"https:\/\/quickpercentcalc.com\/fi\/misc\/wattilaskuri\/","title":{"rendered":"Wattilaskuri"},"content":{"rendered":"\n<p>Laske ampeerit, voltit ja watit. Laskurimme auttaa sinua laskemaan ampeerit, voltit ja watit. <\/p>\n\n<h2 class=\"wp-block-heading\">Miten ampeerit ja voltit lasketaan watteihin?<\/h2>\n\n<p>Ampeerien, volttien ja wattien laskeminen on suhteellisen yksinkertaista, koska n\u00e4m\u00e4 kolme mittaustapaa liittyv\u00e4t l\u00e4heisesti toisiinsa.<\/p>\n\n<p><strong>watti = ampeeri x voltti<\/strong><\/p>\n\n<p>Kuten n\u00e4emme, ampeerit ja voltit kerrotaan, jolloin saadaan wattia. Voimme my\u00f6s j\u00e4rjest\u00e4\u00e4 kaavan uudelleen saadaksemme joko ampeerit tai voltit: <\/p>\n\n<p><strong>ampeeri = watti \/ voltti<\/strong><\/p>\n\n<p><strong>voltti = watti \/ ampeeri<\/strong><\/p>\n\n<script>\n    function regnUtWatt(){\n        var volt = parseFloat(document.getElementById(\"volt\").value.replace(\/,\/g, \".\")) || 0;\n        var ampere = parseFloat(document.getElementById(\"ampere\").value.replace(\/,\/g, \".\")) || 0;\n\n        \/\/ Calculation: watt = volt * ampere\n        var watt = volt * ampere;\n\n        if (!isNaN(watt)) {\n            document.getElementById(\"resultatWatt\").innerHTML = \"Power (Watts): \" + watt.toString() + \" W\";\n            document.getElementById(\"resultatBoksWatt\").style.visibility = \"initial\";\n        }\n    }\n\n    function regnUtAmpere(){\n        var watt = parseFloat(document.getElementById(\"watt\").value.replace(\/,\/g, \".\")) || 0;\n        var volt = parseFloat(document.getElementById(\"voltAmpere\").value.replace(\/,\/g, \".\")) || 0;\n\n        \/\/ Calculation: ampere = watt \/ volt\n        var ampere = watt \/ volt;\n\n        if (!isNaN(ampere)) {\n            document.getElementById(\"resultatAmpere\").innerHTML = \"Current (Amps): \" + ampere.toString() + \" A\";\n            document.getElementById(\"resultatBoksAmpere\").style.visibility = \"initial\";\n        }\n    }\n\n    function regnUtVolt(){\n        var watt = parseFloat(document.getElementById(\"wattVolt\").value.replace(\/,\/g, \".\")) || 0;\n        var ampere = parseFloat(document.getElementById(\"ampereVolt\").value.replace(\/,\/g, \".\")) || 0;\n\n        \/\/ Calculation: volt = watt \/ ampere\n        var volt = watt \/ ampere;\n\n        if (!isNaN(volt)) {\n            document.getElementById(\"resultatVolt\").innerHTML = \"Voltage (Volts): \" + volt.toString() + \" V\";\n            document.getElementById(\"resultatBoksVolt\").style.visibility = \"initial\";\n        }\n    }\n<\/script>\n\n<!-- Calculator for Watts -->\n<h2>Wattilaskuri<\/h2>\n<label for=\"volt\">J\u00e4nnite (volttia)<\/label><br\/><input type=\"number\" id=\"volt\" min=\"0\"\/>\n<br\/><br\/>\n<label for=\"ampere\">Virta (ampeeria)<\/label><br\/><input type=\"number\" id=\"ampere\" min=\"0\"\/>\n<br\/><br\/>\n<input type=\"button\" id=\"regnutWatt\" value=\"Laske\" onclick=\"regnUtWatt()\"\/>\n<br\/><br\/>\n<div id=\"resultatBoksWatt\" style=\"visibility: hidden;\">\n    <span>Tulos:<\/span><br\/>    <span id=\"resultatWatt\" class=\"kalkyleResultat\"><\/span>    \n<\/div>\n<br\/><br\/>\n<!-- Calculator for Amps -->\n<h2>Amppeja laskin<\/h2>\n<label for=\"watt\">Teho (wattia)<\/label><br\/><input type=\"number\" id=\"watt\" min=\"0\"\/>\n<br\/><br\/>\n<label for=\"voltAmpere\">J\u00e4nnite (volttia)<\/label><br\/><input type=\"number\" id=\"voltAmpere\" min=\"0\"\/>\n<br\/><br\/>\n<input type=\"button\" id=\"regnutAmpere\" value=\"Laske\" onclick=\"regnUtAmpere()\"\/>\n<br\/><br\/>\n<div id=\"resultatBoksAmpere\" style=\"visibility: hidden;\">\n    <span>Tulos:<\/span><br\/>    <span id=\"resultatAmpere\" class=\"kalkyleResultat\"><\/span>    \n<\/div>\n<br\/><br\/>\n<!-- Calculator for Volts -->\n<h2>J\u00e4nnitelaskuri<\/h2>\n<label for=\"wattVolt\">Teho (wattia)<\/label><br\/><input type=\"number\" id=\"wattVolt\" min=\"0\"\/>\n<br\/><br\/>\n<label for=\"ampereVolt\">Virta (ampeeria)<\/label><br\/><input type=\"number\" id=\"ampereVolt\" min=\"0\"\/>\n<br\/><br\/>\n<input type=\"button\" id=\"regnutVolt\" value=\"Laske\" onclick=\"regnUtVolt()\"\/>\n<br\/><br\/>\n<div id=\"resultatBoksVolt\" style=\"visibility: hidden;\">\n    <span>Tulos:<\/span><br\/>    <span id=\"resultatVolt\" class=\"kalkyleResultat\"><\/span>    \n<\/div>\n\n<h2 class=\"wp-block-heading\">Mit\u00e4 ovat ampeerit ja voltit?<\/h2>\n\n<p>Ampeerit ja voltit ovat s\u00e4hk\u00f6tekniikan perusyksik\u00f6it\u00e4, joilla on keskeinen rooli s\u00e4hk\u00f6virran ja -j\u00e4nnitteen ymm\u00e4rt\u00e4misess\u00e4. <strong>Ampeerit<\/strong>, joita usein kutsutaan vain &#8221;ampeereiksi&#8221;, mittaavat s\u00e4hk\u00f6virtaa ja ilmoittavat, kuinka monta elektronia virtaa johtimen l\u00e4pi sekunnissa. T\u00e4m\u00e4 k\u00e4site on erityisen t\u00e4rke\u00e4 arvioitaessa virrankulutusta ja s\u00e4hk\u00f6laitteiden kapasiteettia. <strong>Voltit<\/strong> puolestaan mittaavat s\u00e4hk\u00f6potentiaalia. Se osoittaa, kuinka paljon voimaa on k\u00e4ytett\u00e4viss\u00e4 virran kuljettamiseen virtapiirin l\u00e4pi. Yhdess\u00e4 ampeerit ja voltit antavat t\u00e4ydellisen kuvan s\u00e4hk\u00f6tehosta, mik\u00e4 on ratkaisevan t\u00e4rke\u00e4\u00e4, kun halutaan ymm\u00e4rt\u00e4\u00e4, miten eri laitteet ja j\u00e4rjestelm\u00e4t toimivat.    <\/p>\n\n<h2 class=\"wp-block-heading\">Ampeerien muuntaminen wateiksi<\/h2>\n\n<p>Kun <strong>ampeerit<\/strong> muunnetaan <strong>wateiksi<\/strong>, t\u00e4m\u00e4 on kriittinen laskutoimitus monissa s\u00e4hk\u00f6sovelluksissa. Watti on tehon yksikk\u00f6, ja se kertoo, kuinka paljon energiaa kuluu tai tuotetaan ajan kuluessa. Jotta ampeerit (virta) voidaan muuntaa wateiksi (tehoksi), on tiedett\u00e4v\u00e4 piirin j\u00e4nnite (voltteina mitattuna). Peruskaava on: <strong>watti = ampeeri x voltti<\/strong>.   <\/p>\n\n<h2 class=\"wp-block-heading\">Mik\u00e4 on volttiampeeri?<\/h2>\n\n<p>Termi <strong>volttiampeeri<\/strong> on my\u00f6s t\u00e4rke\u00e4, kun puhutaan s\u00e4hk\u00f6tehosta. Kun watit kuvaavat virtapiiriss\u00e4 kulutettua todellista tehoa, volttiampeerit kuvaavat &#8221;n\u00e4enn\u00e4ist\u00e4&#8221; tehoa, usein vaihtovirtapiirien yhteydess\u00e4. T\u00e4m\u00e4 ero on ratkaiseva s\u00e4hk\u00f6j\u00e4rjestelmien ymm\u00e4rt\u00e4misess\u00e4, erityisesti kuormituksen ja kapasiteetin suunnittelun kannalta.  <\/p>\n\n<h2 class=\"wp-block-heading\">Mit\u00e4 ovat ampeeritunnit?<\/h2>\n\n<p><strong>Ampeeritunnit<\/strong> on toinen keskeinen k\u00e4site s\u00e4hk\u00f6maailmassa. Se mittaa komponentin l\u00e4pi tietyn ajanjakson aikana kulkevan s\u00e4hk\u00f6varauksen m\u00e4\u00e4r\u00e4\u00e4. T\u00e4m\u00e4 k\u00e4site on erityisen t\u00e4rke\u00e4 akkujen ja energian varastointij\u00e4rjestelmien kannalta, sill\u00e4 se kertoo akun kapasiteetin eli sen, kuinka kauan se pystyy tuottamaan tietyn virran ennen kuin se on ladattava uudelleen. Yksi ampeeritunti tarkoittaa, ett\u00e4 1 ampeeri virtaa komponentin l\u00e4pi yhden tunnin ajan.   <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Laske ampeerit, voltit ja watit. Laskurimme auttaa sinua laskemaan ampeerit, voltit ja watit. Miten ampeerit ja voltit lasketaan watteihin? Ampeerien, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1771,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"kalkulator-side.php","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-1927","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Wattien, ampeerien ja volttien laskin<\/title>\n<meta name=\"description\" content=\"Laskurimme muuntaa watteja, ampeereja ja voltteja.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/quickpercentcalc.com\/fi\/misc\/wattilaskuri\/\" \/>\n<meta property=\"og:locale\" content=\"fi_FI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Wattien, ampeerien ja volttien laskin\" \/>\n<meta property=\"og:description\" content=\"Laskurimme muuntaa watteja, ampeereja ja voltteja.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/quickpercentcalc.com\/fi\/misc\/wattilaskuri\/\" \/>\n<meta property=\"og:site_name\" content=\"Quick Percent Calculator\" \/>\n<meta property=\"article:modified_time\" content=\"2025-04-08T15:13:48+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Arvioitu lukuaika\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minuuttia\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/quickpercentcalc.com\/fi\/misc\/wattilaskuri\/\",\"url\":\"https:\/\/quickpercentcalc.com\/fi\/misc\/wattilaskuri\/\",\"name\":\"Wattien, ampeerien ja volttien laskin\",\"isPartOf\":{\"@id\":\"https:\/\/quickpercentcalc.com\/fi\/#website\"},\"datePublished\":\"2024-01-16T21:03:36+00:00\",\"dateModified\":\"2025-04-08T15:13:48+00:00\",\"description\":\"Laskurimme muuntaa watteja, ampeereja ja voltteja.\",\"breadcrumb\":{\"@id\":\"https:\/\/quickpercentcalc.com\/fi\/misc\/wattilaskuri\/#breadcrumb\"},\"inLanguage\":\"fi\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/quickpercentcalc.com\/fi\/misc\/wattilaskuri\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/quickpercentcalc.com\/fi\/misc\/wattilaskuri\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/quickpercentcalc.com\/fi\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Misc\",\"item\":\"https:\/\/quickpercentcalc.com\/fi\/misc\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Wattilaskuri\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/quickpercentcalc.com\/fi\/#website\",\"url\":\"https:\/\/quickpercentcalc.com\/fi\/\",\"name\":\"Quick Percent Calculator\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/quickpercentcalc.com\/fi\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fi\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Wattien, ampeerien ja volttien laskin","description":"Laskurimme muuntaa watteja, ampeereja ja voltteja.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/quickpercentcalc.com\/fi\/misc\/wattilaskuri\/","og_locale":"fi_FI","og_type":"article","og_title":"Wattien, ampeerien ja volttien laskin","og_description":"Laskurimme muuntaa watteja, ampeereja ja voltteja.","og_url":"https:\/\/quickpercentcalc.com\/fi\/misc\/wattilaskuri\/","og_site_name":"Quick Percent Calculator","article_modified_time":"2025-04-08T15:13:48+00:00","twitter_card":"summary_large_image","twitter_misc":{"Arvioitu lukuaika":"2 minuuttia"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/quickpercentcalc.com\/fi\/misc\/wattilaskuri\/","url":"https:\/\/quickpercentcalc.com\/fi\/misc\/wattilaskuri\/","name":"Wattien, ampeerien ja volttien laskin","isPartOf":{"@id":"https:\/\/quickpercentcalc.com\/fi\/#website"},"datePublished":"2024-01-16T21:03:36+00:00","dateModified":"2025-04-08T15:13:48+00:00","description":"Laskurimme muuntaa watteja, ampeereja ja voltteja.","breadcrumb":{"@id":"https:\/\/quickpercentcalc.com\/fi\/misc\/wattilaskuri\/#breadcrumb"},"inLanguage":"fi","potentialAction":[{"@type":"ReadAction","target":["https:\/\/quickpercentcalc.com\/fi\/misc\/wattilaskuri\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/quickpercentcalc.com\/fi\/misc\/wattilaskuri\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/quickpercentcalc.com\/fi\/"},{"@type":"ListItem","position":2,"name":"Misc","item":"https:\/\/quickpercentcalc.com\/fi\/misc\/"},{"@type":"ListItem","position":3,"name":"Wattilaskuri"}]},{"@type":"WebSite","@id":"https:\/\/quickpercentcalc.com\/fi\/#website","url":"https:\/\/quickpercentcalc.com\/fi\/","name":"Quick Percent Calculator","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/quickpercentcalc.com\/fi\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fi"}]}},"_links":{"self":[{"href":"https:\/\/quickpercentcalc.com\/fi\/wp-json\/wp\/v2\/pages\/1927","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/quickpercentcalc.com\/fi\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/quickpercentcalc.com\/fi\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/quickpercentcalc.com\/fi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/quickpercentcalc.com\/fi\/wp-json\/wp\/v2\/comments?post=1927"}],"version-history":[{"count":1,"href":"https:\/\/quickpercentcalc.com\/fi\/wp-json\/wp\/v2\/pages\/1927\/revisions"}],"predecessor-version":[{"id":1928,"href":"https:\/\/quickpercentcalc.com\/fi\/wp-json\/wp\/v2\/pages\/1927\/revisions\/1928"}],"up":[{"embeddable":true,"href":"https:\/\/quickpercentcalc.com\/fi\/wp-json\/wp\/v2\/pages\/1771"}],"wp:attachment":[{"href":"https:\/\/quickpercentcalc.com\/fi\/wp-json\/wp\/v2\/media?parent=1927"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}