{"id":130030,"date":"2023-11-29T17:21:07","date_gmt":"2023-11-29T11:51:07","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=130030"},"modified":"2023-11-29T17:21:07","modified_gmt":"2023-11-29T11:51:07","slug":"number-system-conversion-program-in-c","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/number-system-conversion-program-in-c\/","title":{"rendered":"C Project &#8211; Number System Conversion Program in C with Source Code"},"content":{"rendered":"<h3>Program 1<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">#include&lt;stdio.h&gt;\r\n#include&lt;conio.h&gt;\r\n#include&lt;stdlib.h&gt;\r\n\/\/ Declaration of function\r\nvoid dtobin();\r\nvoid design();\r\nvoid dtooct();\r\nvoid dtohexa();\r\nvoid bintodec();\r\nvoid bintooct();\r\nvoid bintohexa();\r\n\/\/Defination of main\r\nint main()\r\n{\r\n    system(\"cls\");\r\n    design();\r\n\r\n}\r\n\/\/Defination of design\r\nvoid design()\r\n{\r\n    int choice;\r\ndo\r\n{\r\n    printf(\"\\n-----------Number System Coversion--------\");\r\n    printf(\"\\n1. Decima to Binary\");\r\n    printf(\"\\n2. Decima to Octal\");\r\n    printf(\"\\n3. Decima to Hexadecimal\");\r\n    printf(\"\\n4. Binary to Decimal \");\r\n    printf(\"\\n5. Binary to Octal \");\r\n    printf(\"\\n6. Binary to Hexadecimal\");\r\n    printf(\"\\n7. Exit\");\r\n    printf(\"\\n--------------------------------------------\");\r\n    printf(\"\\n Enter your choice\");\r\n    scanf(\"%d\",&amp;choice);\r\n    switch(choice)\r\n    {\r\n        case 1:dtobin();break;\r\n        case 2:dtooct();break;\r\n        case 3:dtohexa();break;\r\n        case 4:bintodec();break;\r\n        case 5:bintooct();break;\r\n        case 6:bintohexa();break;\r\n        case 7:break;\r\n        default:printf(\"Invalid choice .. enter again\");\r\n    }\r\n   }while(choice!=7);\r\n}\r\n\/\/Defination of decimal to binary\r\nvoid dtobin()\r\n{\r\n      int n,ar[50],i=0,r;\r\n       printf(\"\\n Enter a decimal no:\");\r\n       scanf(\"%d\",&amp;n);\r\n       while(n!=0)\r\n       {\r\n           r=n%2;\r\n           ar[i]=r;\r\n           i++;\r\n           n=n\/2;\r\n       }\r\n       i--;\r\n       printf(\"\\n Binary no is: \");\r\n       while(i&gt;=0)\r\n       {\r\n          printf(\"%d\",ar[i]);\r\n          i--;\r\n       }\r\n}\r\n\/\/Defination of decimal to octal\r\nvoid dtooct()\r\n{\r\n    int n,ar[50],i=0,r;\r\n   printf(\"\\n Enter a decimal no:\");\r\n       scanf(\"%d\",&amp;n);\r\n       while(n!=0)\r\n       {\r\n           r=n%8;\r\n           ar[i]=r;\r\n           i++;\r\n           n=n\/8;\r\n       }\r\n       i--;\r\n       printf(\"\\n Octal no is: \");\r\n       while(i&gt;=0)\r\n       {\r\n          printf(\"%d\",ar[i]);\r\n          i--;\r\n       }\r\n\r\n}\r\n\/\/Defination of decimal to hexadecimal\r\nvoid dtohexa()\r\n{\r\n    int n,ar[50],i=0,r;\r\n      printf(\"\\n Enter a decimal no:\");\r\n       scanf(\"%d\",&amp;n);\r\n       while(n!=0)\r\n       {\r\n           r=n%16;\r\n           ar[i]=r;\r\n           i++;\r\n           n=n\/16;\r\n       }\r\n       i--;\r\n       printf(\"\\n HexaDecimal no is: \");\r\n       while(i&gt;=0)\r\n       {\r\n          switch(ar[i])\r\n          {\r\n            case 10:printf(\"A\");break;\r\n            case 11:printf(\"B\"); break;\r\n            case 12:printf(\"C\");break;\r\n            case 13:printf(\"D\");break;\r\n            case 14:printf(\"E\");break;\r\n            case 15:printf(\"F\");break;\r\n            default:printf(\"%d\",ar[i]);\r\n          }\r\n           i--;\r\n       }\r\n\r\n}\r\n\/\/Defination of binary decimal \r\nvoid bintodec()\r\n{\r\n     int n,dn=0,r,base=1;\r\n     printf(\"\\n Enter a binary number (only 0 and 1) : \");\r\n     scanf(\"%d\",&amp;n);\r\n     while(n!=0)\r\n     {\r\n          r=n%10;\r\n          dn=dn+r*base;\r\n          base=base*2;\r\n          n=n\/10;\r\n     }\r\n     printf(\"\\nDecima No is: %d\",dn);\r\n}\r\n\/\/Defination of binary octal \r\nvoid bintooct()\r\n{\r\n    int n,dn=0,r,base=1,ar[50],i=0;\r\n     printf(\"\\n Enter a binary number (only 0 and 1) : \");\r\n     scanf(\"%d\",&amp;n);\r\n     \/\/ Coversion of binary to decimal\r\n     while(n!=0)\r\n     {\r\n          r=n%10;\r\n          dn=dn+r*base;\r\n          base=base*2;\r\n          n=n\/10;\r\n     }\r\n     \/\/ Coversion of  decimal to octal\r\n     while(dn!=0)\r\n     {\r\n          r=dn%8;\r\n          ar[i]=r;\r\n          i++;\r\n          dn=dn\/8;\r\n     }\r\n        i--;\r\n     printf(\"\\n Octal No is :\");\r\n     while(i&gt;=0)\r\n     {\r\n          printf(\"%d\",ar[i]);\r\n          i--;\r\n     }\r\n}\r\n\/\/Defination of binary hexadecimal \r\nvoid bintohexa()\r\n{\r\n int n,dn=0,r,base=1,ar[50],i=0;\r\n     printf(\"\\n Enter a binary number (only 0 and 1) : \");\r\n     scanf(\"%d\",&amp;n);\r\n     \/\/ Coversion of binary to decimal\r\n     while(n!=0)\r\n     {\r\n          r=n%10;\r\n          dn=dn+r*base;\r\n          base=base*2;\r\n          n=n\/10;\r\n     }\r\n     \/\/ Coversion of decimal to Hexadecimal\r\n     while(dn!=0)\r\n     {\r\n          r=dn%16;\r\n          ar[i]=r;\r\n          dn=dn\/16;\r\n          i++;\r\n     }\r\n     i--;\r\n     printf(\"\\n Hexa decimal no is: \");\r\n     while(i&gt;=0)\r\n     {\r\n          switch(ar[i])\r\n          {\r\n            case 10:printf(\"A\");break;\r\n            case 11:printf(\"B\");break;\r\n            case 12:printf(\"C\");break;\r\n            case 13:printf(\"D\");break;\r\n            case 14:printf(\"E\");break;\r\n            case 15:printf(\"F\");break;\r\n            default:printf(\"%d\",ar[i]);\r\n          }\r\n          i--;\r\n     }\r\n}<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Program 1 #include&lt;stdio.h&gt; #include&lt;conio.h&gt; #include&lt;stdlib.h&gt; \/\/ Declaration of function void dtobin(); void design(); void dtooct(); void dtohexa(); void bintodec(); void bintooct(); void bintohexa(); \/\/Defination of main int main() { system(&#8220;cls&#8221;); design(); } \/\/Defination of&#46;&#46;&#46;<\/p>\n","protected":false},"author":86671,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19488],"tags":[29620,29589,29617,2263,29219,29218,29618,29619],"class_list":["post-130030","post","type-post","status-publish","format-standard","hentry","category-c-programming","tag-c-number-system-conversion","tag-c-project","tag-c-project-number-system-conversion-program-in-c-with-source-code","tag-c","tag-c-practical","tag-c-program","tag-number-system-conversion","tag-number-system-conversion-in-c"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>C Project &#8211; 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Number System Conversion Program in C with Source Code - DataFlair","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:\/\/data-flair.training\/blogs\/number-system-conversion-program-in-c\/","og_locale":"en_US","og_type":"article","og_title":"C Project &#8211; Number System Conversion Program in C with Source Code - DataFlair","og_description":"Program 1 #include&lt;stdio.h&gt; #include&lt;conio.h&gt; #include&lt;stdlib.h&gt; \/\/ Declaration of function void dtobin(); void design(); void dtooct(); void dtohexa(); void bintodec(); void bintooct(); void bintohexa(); \/\/Defination of main int main() { system(\"cls\"); design(); } \/\/Defination of&#46;&#46;&#46;","og_url":"https:\/\/data-flair.training\/blogs\/number-system-conversion-program-in-c\/","og_site_name":"DataFlair","article_publisher":"https:\/\/www.facebook.com\/DataFlairWS\/","article_published_time":"2023-11-29T11:51:07+00:00","author":"TechVidvan Team","twitter_card":"summary_large_image","twitter_creator":"@DataFlairWS","twitter_site":"@DataFlairWS","twitter_misc":{"Written by":"TechVidvan Team","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/data-flair.training\/blogs\/number-system-conversion-program-in-c\/#article","isPartOf":{"@id":"https:\/\/data-flair.training\/blogs\/number-system-conversion-program-in-c\/"},"author":{"name":"TechVidvan Team","@id":"https:\/\/data-flair.training\/blogs\/#\/schema\/person\/0e594f928e31fc96628ac40f6ae74f49"},"headline":"C Project &#8211; 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