{"id":4332,"date":"2021-10-05T23:00:00","date_gmt":"2021-10-05T17:30:00","guid":{"rendered":"https:\/\/www.codingbroz.com\/?p=4332"},"modified":"2021-10-05T09:47:30","modified_gmt":"2021-10-05T04:17:30","slug":"c-program-to-convert-binary-to-decimal","status":"publish","type":"post","link":"https:\/\/www.codingbroz.com\/c-program-to-convert-binary-to-decimal\/","title":{"rendered":"C Program To Convert Binary To Decimal"},"content":{"rendered":"\n<p>In this post, we will learn <strong>how to convert binary to decimal using C<\/strong> Programming language.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/www.codingbroz.com\/wp-content\/uploads\/2021\/10\/c-program-to-convert-binary-to-decimal-codingbroz.png\" alt=\"C Program To Convert Binary To Decimal\" class=\"wp-image-4335\" srcset=\"https:\/\/www.codingbroz.com\/wp-content\/uploads\/2021\/10\/c-program-to-convert-binary-to-decimal-codingbroz.png 1200w, https:\/\/www.codingbroz.com\/wp-content\/uploads\/2021\/10\/c-program-to-convert-binary-to-decimal-codingbroz-768x432.png 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p>Here in this program, we take a binary number as input and convert it into a decimal number using a <strong>user-defined function<\/strong>.<\/p>\n\n\n\n<p>So, without further ado, let\u2019s begin this tutorial.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_65 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<label for=\"ez-toc-cssicon-toggle-item-662db2bf39fd2\" class=\"ez-toc-cssicon-toggle-label\"><label class=\"ez-toc-title\">Table of Contents<\/label>\n<span class=\"ez-toc-cssicon\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #0090ff;color:#0090ff\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #0090ff;color:#0090ff\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-662db2bf39fd2\" checked \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.codingbroz.com\/c-program-to-convert-binary-to-decimal\/#C_Program_To_Convert_Binary_To_Decimal\" title=\"C Program To Convert Binary To Decimal\">C Program To Convert Binary To Decimal<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.codingbroz.com\/c-program-to-convert-binary-to-decimal\/#How_Does_This_Program_Work\" title=\"How Does This Program Work ?\">How Does This Program Work ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.codingbroz.com\/c-program-to-convert-binary-to-decimal\/#Conclusion\" title=\"Conclusion\">Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"C_Program_To_Convert_Binary_To_Decimal\"><\/span><strong>C Program To Convert Binary To Decimal<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"c\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ C Program To Convert Binary To Decimal \n#include &lt;stdio.h>\n#include &lt;math.h>\nint binarytodecimal(long num){\n    int rem, temp = 0, decimal = 0;\n    while (num != 0){\n        rem = num % 10;\n        num = num \/ 10;\n        decimal = decimal + rem * pow(2, temp);\n        temp++;\n    }\n    return decimal;\n}\n\nint main(){\n    long num;\n    \n    \/\/ Asking for Input\n    printf(\"Enter a number: \");\n    scanf(\"%ld\", &amp;num);\n    \n    printf(\"Equivalent decimal number is: %d\", binarytodecimal(num));\n    return 0;\n}\n<\/pre>\n\n\n\n<p><strong>Output<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Enter a number: 10010\r\nEquivalent decimal number is: 18\r<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Does_This_Program_Work\"><\/span><strong>How Does This Program Work ?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>int binarytodecimal(long num){\r\n    int rem, temp = 0, decimal = 0;\r\n    while (num != 0){\r\n        rem = num % 10;\r\n        num = num \/ 10;\r\n        decimal = decimal + rem * pow(2, temp);\r\n        temp++;\r\n    }\r\n    return decimal;\r\n}<\/strong>\r<\/code><\/pre>\n\n\n\n<p>In this program, we have defined a custom function named <strong>binarytodecimal<\/strong> which will convert the binary number into decimal number.<\/p>\n\n\n\n<p>Suppose the user enters <strong>10010<\/strong>, then we get the following result: <\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><thead><tr><th>num != 0<\/th><th>rem = n % 10<\/th><th>num = num \/ 10<\/th><th>temp<\/th><th>decimal += rem * pow(2, temp)<\/th><\/tr><\/thead><tbody><tr><td>10010 != 0<\/td><td>10010 % 10 = 0<\/td><td>10010 \/ 10 = 1001<\/td><td>0<\/td><td>0 + 0 = 0<\/td><\/tr><tr><td>1001 != 0\u00a0<\/td><td>1001 % 10 = 1 \u00a0<\/td><td>1001 \/ 10 = 100<\/td><td>1<\/td><td>0 + 2 = 2<\/td><\/tr><tr><td>100 != 0 \u00a0<\/td><td>100 % 10 = 0<\/td><td>100 \/ 10 =10\u00a0<\/td><td>2<\/td><td>2 + 0 = 2<\/td><\/tr><tr><td>10 != 0 \u00a0<\/td><td>10 % 10 = 0\u00a0<\/td><td>10 \/ 10 =1<\/td><td>3<\/td><td>2 + 0 = 2<\/td><\/tr><tr><td>1 != 0<\/td><td>1 \/ 10 = 1<\/td><td>1 \/ 10<\/td><td>4<\/td><td>2 + 16 = 18<\/td><\/tr><tr><td>0 != 0\u00a0<\/td><td>&#8211;<\/td><td>&#8211;<\/td><td>&#8211;<\/td><td>&#8211;<\/td><\/tr><\/tbody><\/table><figcaption><strong>Binary To Decimal<\/strong><\/figcaption><\/figure>\n\n\n\n<p>Hence, we get<strong> (10010)<sub>2<\/sub> = (18)<sub>10<\/sub><\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>    printf(\"Equivalent decimal number is: %d\", binarytodecimal(num));<\/strong>\r<\/code><\/pre>\n\n\n\n<p>We call our custom function <strong>binarytodecimal<\/strong> in the <strong>main()<\/strong> function which will display the result to the user.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><strong>Conclusion<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>I hope after going through this post, you understand <strong>how to convert binary to decimal using C <\/strong>Programming language.<\/p>\n\n\n\n<p>If you have any doubt regarding the program, feel free to contact us in the comment section. We will be delighted to help you.<\/p>\n\n\n\n<p><strong>Also Read:<\/strong><\/p>\n\n\n\n<ul><li><strong><a href=\"https:\/\/www.codingbroz.com\/armstrong-number-in-c-using-function\/\">Armstrong Number in C Using Function<\/a><\/strong><\/li><li><strong><a href=\"https:\/\/www.codingbroz.com\/c-program-to-convert-decimal-to-binary\/\">C Program To Convert Decimal To Binary<\/a><\/strong><\/li><li><strong><a href=\"https:\/\/www.codingbroz.com\/c-program-to-find-factorial-of-a-number-using-recursion\/\">C Program To Find Factorial of a Number Using Recursion<\/a><\/strong><\/li><li><strong><a href=\"https:\/\/www.codingbroz.com\/c-program-to-find-gcd-of-two-numbers-using-recursion\/\">C Program To Find GCD of Two Numbers Using Recursion<\/a><\/strong><\/li><li><strong><a href=\"https:\/\/www.codingbroz.com\/c-program-to-find-sum-of-natural-numbers-using-recursion\/\">C Program To Find Sum of Natural Numbers Using Recursion<\/a><\/strong><\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>In this post, we will learn how to convert binary to decimal using C Programming language.<\/p>\n","protected":false},"author":2,"featured_media":4335,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"","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":"","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":"","background-image":"","background-repeat":"repeat","background-position":"center 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