# C Program to Converter a Decimal to Binary

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## Converter a Number from Decimal to Binary

In the following example, we will convert a Decimal Number (500) to Binary Number (111110100).

Tips: It is recommended to use our online Decimal to Binary calculator for better understanding.

### Example

C Compiler
#include <stdio.h> int main() { int num = 500; int arr[50]; int i = -1, j; while(num != 0) { i++; arr[i] = num % 2; num = num / 2; } printf("Binary number of 500 (decimal) is "); // reverse the array and display for(j=i; j>=0; j--) printf("%d", arr[j]); return 0; }

### Output

Binary number of 500 (decimal) is 111110100

## Converter any Given Decimal Number to Binary Number

In the following example, we will convert any given decimal number to a binary number.

### Example

C Compiler
#include <stdio.h> int main() { int num, copyNum, arr[50], j; int i = -1; printf("Enter a Decimal Number: "); scanf("%d", &num); copyNum = num; while(copyNum != 0) { i++; arr[i] = copyNum % 2; copyNum = copyNum / 2; } printf("Binary number of %d (decimal) is ", num); // reverse the array and display for(j=i; j>=0; j--) printf("%d", arr[j]); return 0; }

### Output

Enter a Decimal Number: 10 Binary number of 10 (decimal) is 1010

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