{"id":192,"date":"2026-08-21T13:39:26","date_gmt":"2026-08-21T13:39:26","guid":{"rendered":"https:\/\/netguide.io\/tools\/zahlenbasis-konverter\/"},"modified":"2026-08-21T13:39:26","modified_gmt":"2026-08-21T13:39:26","slug":"zahlenbasis-konverter","status":"publish","type":"post","link":"https:\/\/netguide.io\/tools\/de\/zahlenbasis-konverter\/","title":{"rendered":"Zahlenbasis-Konverter"},"content":{"rendered":"<div id=\"netgu-3954351618\" class=\"netgu-before-content netgu-entity-placement\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6258556257245998\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-6258556257245998\" \ndata-ad-slot=\"3494115342\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>\n<style>\n.wp-nb-container { max-width:100%; background:#fff; padding:20px; border:1px solid #ddd; border-radius:10px; font-family:-apple-system, sans-serif; color:#333; }\n.wp-nb-title { margin:0 0 15px 0; color:#2271b1; font-size:1.4rem; }\n.wp-nb-grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(140px, 1fr)); gap:12px; margin-bottom:10px; }\n.wp-nb-input-group label { display:block; font-size:11px; font-weight:bold; margin-bottom:4px; text-transform:uppercase; color:#666; }\n.wp-nb-input-group input, .wp-nb-input-group select { width:100%; padding:8px; border:1px solid #ccc; border-radius:4px; box-sizing:border-box; }\n.wp-nb-checkbox-group { margin:15px 0; font-size:12px; display:flex; align-items:center; gap:8px; color:#666; }\n.wp-nb-note { font-size:12px; color:#666; margin-top:12px; min-height:1em; }\n.wp-nb-warn { color:#d63638; font-weight:bold; }\n.wp-nb-results { margin-top:20px; border-top:2px solid #eee; padding-top:15px; }\n.wp-nb-res-item { display:flex; justify-content:space-between; margin-bottom:6px; font-size:14px; gap:10px; }\n.wp-nb-total { font-weight:bold; font-size:18px; color:#2271b1; margin:10px 0; padding:5px 0; border-top:1px solid #eee; border-bottom:1px solid #eee; }\n.wp-nb-val { color:#2271b1; font-weight:bold; }\n.wp-nb-out { width:100%; box-sizing:border-box; padding:10px; border:1px solid #ccc; border-radius:4px; font-family:monospace; font-size:13px; word-break:break-all; background:#f7f7f7; margin-top:6px; }\n.wp-nb-btn { background:#2271b1; color:#fff; border:none; padding:9px 14px; border-radius:4px; cursor:pointer; font-size:13px; margin-top:10px; }\n<\/style><style>.wp-nb-res{display:grid;grid-template-columns:110px 1fr auto;gap:8px;align-items:center;margin-bottom:6px;}.wp-nb-res label{font-size:11px;font-weight:bold;text-transform:uppercase;color:#666;}.wp-nb-res input{width:100%;box-sizing:border-box;padding:7px;border:1px solid #ccc;border-radius:4px;font-family:monospace;background:#f7f7f7;}.wp-nb-res button{background:#2271b1;color:#fff;border:none;padding:6px 10px;border-radius:4px;cursor:pointer;font-size:12px;}<\/style><script>window.wpNbL = {\"bad\":\"Ung\u00fcltige Ziffer f\u00fcr diese Basis\"};<\/script>\n<div class=\"wp-nb-container\">\n  <h3 class=\"wp-nb-title\">Zahlenbasis-Konverter<\/h3>\n  <div class=\"wp-nb-grid\">\n    <div class=\"wp-nb-input-group\" style=\"grid-column:1\/-1;\"><label>Zahl<\/label><input type=\"text\" id=\"nb-in\" value=\"255\" oninput=\"convNb()\"><\/div>\n    <div class=\"wp-nb-input-group\"><label>Basis der Eingabe<\/label><select id=\"nb-base\" onchange=\"convNb()\"><option value=\"2\">Bin\u00e4r (2)<\/option><option value=\"8\">Oktal (8)<\/option><option value=\"10\" selected>Dezimal (10)<\/option><option value=\"16\">Hex (16)<\/option><\/select><\/div>\n  <\/div>\n  <div id=\"nb-err\" class=\"wp-nb-warn\" style=\"min-height:1em;margin:6px 0;\"><\/div>\n  <div style=\"margin-top:8px;\"><div class=\"wp-nb-res\"><label>Bin\u00e4r (2):<\/label><input type=\"text\" id=\"nb-bin\" readonly><button onclick=\"nbCopy('nb-bin')\">Kopieren<\/button><\/div>\n<div class=\"wp-nb-res\"><label>Oktal (8):<\/label><input type=\"text\" id=\"nb-oct\" readonly><button onclick=\"nbCopy('nb-oct')\">Kopieren<\/button><\/div>\n<div class=\"wp-nb-res\"><label>Dezimal (10):<\/label><input type=\"text\" id=\"nb-dec\" readonly><button onclick=\"nbCopy('nb-dec')\">Kopieren<\/button><\/div>\n<div class=\"wp-nb-res\"><label>Hex (16):<\/label><input type=\"text\" id=\"nb-hex\" readonly><button onclick=\"nbCopy('nb-hex')\">Kopieren<\/button><\/div><\/div>\n<\/div>\n<script>\nvar NBDIG='0123456789abcdefghijklmnopqrstuvwxyz';\nfunction nbParse(str,base){ str=String(str).toLowerCase().trim(); if(str==='') throw new Error('empty'); var n=0n,b=BigInt(base); for(var i=0;i<str.length;i++){ var d=NBDIG.indexOf(str[i]); if(d<0||d>=base) throw new Error('bad'); n=n*b+BigInt(d); } return n; }\nfunction nbTo(n,base){ if(n===0n) return '0'; var b=BigInt(base),s=''; while(n>0n){ s=NBDIG[Number(n%b)]+s; n=n\/b; } return s; }\nfunction convNb(){\n  var v=document.getElementById('nb-in').value; var base=parseInt(document.getElementById('nb-base').value,10); var L=window.wpNbL||{};\n  var err=document.getElementById('nb-err');\n  try{ var n=nbParse(v,base); err.innerText='';\n    document.getElementById('nb-bin').value=nbTo(n,2);\n    document.getElementById('nb-oct').value=nbTo(n,8);\n    document.getElementById('nb-dec').value=nbTo(n,10);\n    document.getElementById('nb-hex').value=nbTo(n,16).toUpperCase();\n  }catch(e){ if(e.message==='empty'){ err.innerText=''; } else { err.innerText='\\u26A0 '+(L.bad||'Invalid digit for this base'); } ['nb-bin','nb-oct','nb-dec','nb-hex'].forEach(function(id){document.getElementById(id).value='';}); }\n}\nfunction nbCopy(id){ var o=document.getElementById(id); if(!o.value)return; o.focus(); o.select(); try{navigator.clipboard.writeText(o.value);}catch(e){} }\nconvNb();\n<\/script>\n\n\n<div id=\"netgu-1906642734\"><script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6258556257245998\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<!-- NetGuide.io-After-Widget-Tools -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-client=\"ca-pub-6258556257245998\"\r\n     data-ad-slot=\"5175852350\"\r\n     data-ad-format=\"auto\"\r\n     data-full-width-responsive=\"true\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Zahlensysteme umrechnen<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Der Konverter wandelt eine Zahl zwischen den vier g\u00e4ngigen Zahlensystemen um: bin\u00e4r (Basis 2), oktal (8), dezimal (10) und hexadezimal (16). Dank BigInt sind auch sehr gro\u00dfe Zahlen exakt.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Basis w\u00e4hlen:<\/strong> Gib an, in welchem System deine Eingabe vorliegt \u2013 der Rest wird automatisch berechnet.<\/li>\n\n\n<li><strong>Hex:<\/strong> Wird in Gro\u00dfbuchstaben ausgegeben (0\u20139, A\u2013F).<\/li>\n\n\n<li><strong>Beliebig gro\u00df:<\/strong> Keine Rundungsfehler wie bei normalen JavaScript-Zahlen.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Verwandte Tools<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"\/tools\/de\/hex-rgb-converter\/\">Hex &#038; RGB Converter<\/a><\/li>\n\n\n<li><a href=\"\/tools\/de\/ascii-tabelle\/\">ASCII-Tabelle<\/a><\/li>\n<\/ul>\n\n\n<div id=\"netgu-3492066772\" class=\"netgu-after-content netgu-entity-placement\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6258556257245998\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-6258556257245998\" \ndata-ad-slot=\"4559785002\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Zahlen zwischen Bin\u00e4r, Oktal, Dezimal und Hexadezimal umrechnen \u2013 beliebig gro\u00df (BigInt). Live im Browser.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","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":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","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":""},"categories":[53],"tags":[],"class_list":["post-192","post","type-post","status-publish","format-standard","hentry","category-converter"],"brizy_media":[],"_links":{"self":[{"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/posts\/192","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/comments?post=192"}],"version-history":[{"count":0,"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/posts\/192\/revisions"}],"wp:attachment":[{"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/media?parent=192"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/categories?post=192"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/tags?post=192"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}