{"id":5784,"date":"2025-07-15T13:34:45","date_gmt":"2025-07-15T13:34:45","guid":{"rendered":"https:\/\/functiontranslator.com\/rounddown\/"},"modified":"2021-02-26T10:02:39","modified_gmt":"2021-02-26T10:02:39","slug":"rounddown","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/cs\/rounddown\/","title":{"rendered":"ROUNDDOWN"},"content":{"rendered":"

V oblasti tabulkov\u00fdch aplikac\u00ed, jako jsou Microsoft Excel a Google Sheets, je \u010dasto nutn\u00e9 zaokrouhlovat \u010d\u00edsla sm\u011brem dol\u016f na ur\u010den\u00fd po\u010det desetinn\u00fdch m\u00edst. Funkce ROUNDDOWN<\/strong> je k tomu ide\u00e1ln\u00edm n\u00e1strojem. V tomto \u010dl\u00e1nku se podrobn\u011b pod\u00edv\u00e1me na jej\u00ed syntaxi, uk\u00e1\u017eeme si p\u0159\u00edklady jej\u00edho pou\u017eit\u00ed a prozkoum\u00e1me praktick\u00e9 situace, ve kter\u00fdch n\u00e1m m\u016f\u017ee b\u00fdt u\u017eite\u010dn\u00e1.<\/p>\n

Syntaxe a z\u00e1kladn\u00ed pou\u017eit\u00ed<\/h2>\n

Syntaxe funkce ROUNDDOWN<\/code> v Microsoft Excel a Google Sheets je p\u0159\u00edmo\u010dar\u00e1. Funkce m\u00e1 dva z\u00e1kladn\u00ed parametry:<\/p>\n

ROUNDDOWN(\u010d\u00edslo, po\u010det_desetinn\u00fdch_m\u00edst)<\/code><\/pre>\n
    \n
  • \u010d\u00edslo<\/strong> je hodnota, kterou chceme zaokrouhlit dol\u016f.<\/li>\n
  • po\u010det_desetinn\u00fdch_m\u00edst<\/strong> specifikuje, na kolik desetinn\u00fdch m\u00edst m\u00e1 b\u00fdt \u010d\u00edslo zaokrouhleno. Kladn\u00e1 hodnota parametru zaokrouhluje na stanoven\u00fd po\u010det desetinn\u00fdch m\u00edst, zat\u00edmco z\u00e1porn\u00e1 hodnota zaokrouhluje na po\u010det pozic vlevo od desetinn\u00e9 te\u010dky (nap\u0159. des\u00edtky, stovky).<\/li>\n<\/ul>\n
    P\u0159\u00edklady pou\u017eit\u00ed:<\/p>\n
    =ROUNDDOWN(3.14159, 3) \/\/ V\u00fdsledek: 3.141 =ROUNDDOWN(207.987, 0) \/\/ V\u00fdsledek: 207 =ROUNDDOWN(207.987, -1) \/\/ V\u00fdsledek: 200<\/code><\/pre>\n
    Praktick\u00e9 p\u0159\u00edklady<\/h2>\n
    Vytvo\u0159en\u00ed jednotn\u00e9ho zobrazovac\u00edho form\u00e1tu cen<\/h2>\n
    P\u0159edstavte si, \u017ee m\u00e1te seznam cen produkt\u016f s r\u016fzn\u00fdmi desetinn\u00fdmi hodnotami a pot\u0159ebujete je sjednotit na cel\u00e9 \u010d\u00edsla pro zjednodu\u0161en\u00fd cen\u00edk ve va\u0161em obchod\u011b.<\/p>\n
    Produkt A: 9.99 Produkt B: 15.49 Produkt C: 20.23<\/code><\/pre>\n
    Pou\u017eijeme funkci n\u00e1sledovn\u011b:<\/p>\n
    =ROUNDDOWN(9.99, 0) \/\/ V\u00fdsledek: 9 =ROUNDDOWN(15.49, 0) \/\/ V\u00fdsledek: 15 =ROUNDDOWN(20.23, 0) \/\/ V\u00fdsledek: 20<\/code><\/pre>\n
    T\u00edmto zp\u016fsobem m\u016f\u017eeme uv\u00e9st ceny produkt\u016f bez desetinn\u00fdch m\u00edst, co\u017e m\u016f\u017ee z\u00e1kazn\u00edky motivovat k n\u00e1kupu.<\/p>\n
    Vypo\u010det mno\u017estevn\u00edch slev na z\u00e1klad\u011b objedn\u00e1vky<\/h2>\n
    P\u0159edstavte si situaci, kde je pot\u0159eba vypo\u010d\u00edtat slevu na z\u00e1klad\u011b objednan\u00e9ho mno\u017estv\u00ed, ale sleva by m\u011bla b\u00fdt poskytnuta pouze na cel\u00e1 balen\u00ed produktu (ka\u017ed\u00e9 balen\u00ed obsahuje 10 kus\u016f).<\/p>\n
    Celkem objednan\u00e9 mno\u017estv\u00ed: 157 kus\u016f<\/code><\/pre>\n
    S funkc\u00ed ROUNDDOWN<\/code> m\u016f\u017eeme snadno vypo\u010d\u00edtat, kolik cel\u00fdch balen\u00ed bylo zakoupeno:<\/p>\n
    =ROUNDDOWN(157 \/ 10, 0) \/\/ V\u00fdsledek: 15 balen\u00ed<\/code><\/pre>\n
    Tato hodnota n\u00e1m umo\u017en\u00ed uplatnit mno\u017estevn\u00ed slevy pouze na zakoupen\u00e1 cel\u00e1 balen\u00ed.<\/p>\n
    Je z\u0159ejm\u00e9, \u017ee funkce ROUNDDOWN<\/code> je velmi u\u017eite\u010dn\u00fdm n\u00e1strojem pro rozli\u010dn\u00e9 aplikace ve finan\u010dn\u00ed anal\u00fdze, \u00fa\u010detnictv\u00ed, zpracov\u00e1n\u00ed dat a dal\u0161\u00edch oborech, kde je \u017e\u00e1douc\u00ed pracovat s zaokrouhlen\u00fdmi \u010d\u00edsly.<\/p>\n","protected":false},"excerpt":{"rendered":"
    Zaokrouhl\u00ed \u010d\u00edslo dol\u016f, sm\u011brem k\u00a0nule<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[282],"tags":[],"class_list":["post-5784","post","type-post","status-publish","format-standard","hentry","category-matematicke-a-trigonometricke"],"acf":[],"yoast_head":"\nFunkce ROUNDDOWN v Excelu: jak funguje, primjeri kori\u0161tenja formule<\/title>\n<meta name=\"description\" content=\"Opis funkcije ROUNDDOWN u Excelu i Google tablicama. Sintaksa, parametri funkcije te prakti\u010dni primjeri.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/functiontranslator.com\/cs\/rounddown\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Funkce ROUNDDOWN v Excelu: jak funguje, primjeri kori\u0161tenja formule\" \/>\n<meta property=\"og:description\" content=\"Opis funkcije ROUNDDOWN u Excelu i Google tablicama. Sintaksa, parametri funkcije te prakti\u010dni primjeri.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/functiontranslator.com\/cs\/rounddown\/\" \/>\n<meta property=\"og:site_name\" content=\"Function Translator\" \/>\n<meta property=\"article:published_time\" content=\"2025-07-15T13:34:45+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-02-26T10:02:39+00:00\" \/>\n<meta name=\"author\" content=\"glavadmin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Funkce ROUNDDOWN v Excelu: jak funguje, primjeri kori\u0161tenja formule\" \/>\n<meta name=\"twitter:label1\" content=\"Napsal(a)\" \/>\n\t<meta name=\"twitter:data1\" content=\"glavadmin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Odhadovan\u00e1 doba \u010dten\u00ed\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minuty\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/functiontranslator.com\/cs\/rounddown\/\",\"url\":\"https:\/\/functiontranslator.com\/cs\/rounddown\/\",\"name\":\"Funkce ROUNDDOWN v Excelu: jak funguje, primjeri kori\u0161tenja formule\",\"isPartOf\":{\"@id\":\"https:\/\/functiontranslator.com\/no\/#website\"},\"datePublished\":\"2025-07-15T13:34:45+00:00\",\"dateModified\":\"2021-02-26T10:02:39+00:00\",\"author\":{\"@id\":\"https:\/\/functiontranslator.com\/no\/#\/schema\/person\/87663eece497ca58643166ecb09f1389\"},\"description\":\"Opis funkcije ROUNDDOWN u Excelu i Google tablicama. Sintaksa, parametri funkcije te prakti\u010dni primjeri.\",\"breadcrumb\":{\"@id\":\"https:\/\/functiontranslator.com\/cs\/rounddown\/#breadcrumb\"},\"inLanguage\":\"cs\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/functiontranslator.com\/cs\/rounddown\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/functiontranslator.com\/cs\/rounddown\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Funkce aplikace Excel\",\"item\":\"https:\/\/functiontranslator.com\/cs\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Matematick\u00e9 a trigonometrick\u00e9\",\"item\":\"https:\/\/functiontranslator.com\/cs\/matematicke-a-trigonometricke\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"ROUNDDOWN\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/functiontranslator.com\/no\/#website\",\"url\":\"https:\/\/functiontranslator.com\/no\/\",\"name\":\"Function Translator\",\"description\":\"Excel function translator\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/functiontranslator.com\/no\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"cs\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/functiontranslator.com\/no\/#\/schema\/person\/87663eece497ca58643166ecb09f1389\",\"name\":\"glavadmin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"cs\",\"@id\":\"https:\/\/functiontranslator.com\/no\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/03ccd9347c5339db75deede5a8c5b2bf1d40e0bce26a5251fcaac6331d381db8?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/03ccd9347c5339db75deede5a8c5b2bf1d40e0bce26a5251fcaac6331d381db8?s=96&d=mm&r=g\",\"caption\":\"glavadmin\"},\"sameAs\":[\"https:\/\/functiontranslator.com\"],\"url\":\"https:\/\/functiontranslator.com\/cs\/author\/glavadmin\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Funkce ROUNDDOWN v Excelu: jak funguje, primjeri kori\u0161tenja formule","description":"Opis funkcije ROUNDDOWN u Excelu i Google tablicama. Sintaksa, parametri funkcije te prakti\u010dni primjeri.","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:\/\/functiontranslator.com\/cs\/rounddown\/","og_locale":"cs_CZ","og_type":"article","og_title":"Funkce ROUNDDOWN v Excelu: jak funguje, primjeri kori\u0161tenja formule","og_description":"Opis funkcije ROUNDDOWN u Excelu i Google tablicama. Sintaksa, parametri funkcije te prakti\u010dni primjeri.","og_url":"https:\/\/functiontranslator.com\/cs\/rounddown\/","og_site_name":"Function Translator","article_published_time":"2025-07-15T13:34:45+00:00","article_modified_time":"2021-02-26T10:02:39+00:00","author":"glavadmin","twitter_card":"summary_large_image","twitter_title":"Funkce ROUNDDOWN v Excelu: jak funguje, primjeri kori\u0161tenja formule","twitter_misc":{"Napsal(a)":"glavadmin","Odhadovan\u00e1 doba \u010dten\u00ed":"2 minuty"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/functiontranslator.com\/cs\/rounddown\/","url":"https:\/\/functiontranslator.com\/cs\/rounddown\/","name":"Funkce ROUNDDOWN v Excelu: jak funguje, primjeri kori\u0161tenja formule","isPartOf":{"@id":"https:\/\/functiontranslator.com\/no\/#website"},"datePublished":"2025-07-15T13:34:45+00:00","dateModified":"2021-02-26T10:02:39+00:00","author":{"@id":"https:\/\/functiontranslator.com\/no\/#\/schema\/person\/87663eece497ca58643166ecb09f1389"},"description":"Opis funkcije ROUNDDOWN u Excelu i Google tablicama. Sintaksa, parametri funkcije te prakti\u010dni primjeri.","breadcrumb":{"@id":"https:\/\/functiontranslator.com\/cs\/rounddown\/#breadcrumb"},"inLanguage":"cs","potentialAction":[{"@type":"ReadAction","target":["https:\/\/functiontranslator.com\/cs\/rounddown\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/functiontranslator.com\/cs\/rounddown\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Funkce aplikace Excel","item":"https:\/\/functiontranslator.com\/cs\/"},{"@type":"ListItem","position":2,"name":"Matematick\u00e9 a trigonometrick\u00e9","item":"https:\/\/functiontranslator.com\/cs\/matematicke-a-trigonometricke\/"},{"@type":"ListItem","position":3,"name":"ROUNDDOWN"}]},{"@type":"WebSite","@id":"https:\/\/functiontranslator.com\/no\/#website","url":"https:\/\/functiontranslator.com\/no\/","name":"Function Translator","description":"Excel function translator","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/functiontranslator.com\/no\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"cs"},{"@type":"Person","@id":"https:\/\/functiontranslator.com\/no\/#\/schema\/person\/87663eece497ca58643166ecb09f1389","name":"glavadmin","image":{"@type":"ImageObject","inLanguage":"cs","@id":"https:\/\/functiontranslator.com\/no\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/03ccd9347c5339db75deede5a8c5b2bf1d40e0bce26a5251fcaac6331d381db8?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/03ccd9347c5339db75deede5a8c5b2bf1d40e0bce26a5251fcaac6331d381db8?s=96&d=mm&r=g","caption":"glavadmin"},"sameAs":["https:\/\/functiontranslator.com"],"url":"https:\/\/functiontranslator.com\/cs\/author\/glavadmin\/"}]}},"_links":{"self":[{"href":"https:\/\/functiontranslator.com\/cs\/wp-json\/wp\/v2\/posts\/5784","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/functiontranslator.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/functiontranslator.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/functiontranslator.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/functiontranslator.com\/cs\/wp-json\/wp\/v2\/comments?post=5784"}],"version-history":[{"count":2,"href":"https:\/\/functiontranslator.com\/cs\/wp-json\/wp\/v2\/posts\/5784\/revisions"}],"predecessor-version":[{"id":30921,"href":"https:\/\/functiontranslator.com\/cs\/wp-json\/wp\/v2\/posts\/5784\/revisions\/30921"}],"wp:attachment":[{"href":"https:\/\/functiontranslator.com\/cs\/wp-json\/wp\/v2\/media?parent=5784"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/functiontranslator.com\/cs\/wp-json\/wp\/v2\/categories?post=5784"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/functiontranslator.com\/cs\/wp-json\/wp\/v2\/tags?post=5784"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}