C Program to convert Decimal to Binary

C Program to convert Decimal to Binary in C with programming examples for beginners and professionals covering concepts, control statements, c array, c pointers, c structures, c union, c strings and more.

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C Program to convert Decimal to Binary

Decimal to binary in C: We can convert any decimal number (base-10 (0 to 9)) into binary number(base-2 (0 or 1)) by c program.

Decimal Number

Decimal number is a base 10 number because it ranges from 0 to 9, there are total 10 digits between 0 to 9. Any combination of digits is decimal number such as 23, 445, 132, 0, 2 etc.

Binary Number

Binary number is a base 2 number because it is either 0 or 1. Any combination of 0 and 1 is binary number such as 1001, 101, 11111, 101010 etc.

Let's see the some binary numbers for the decimal number.

Decimal	Binary
1	1
2	10
3	11
4	100
5	101
6	110
7	111
8	1000
9	1001
10	1010

Decimal to Binary Conversion Algorithm

Step 1: Divide the number by 2 through % (modulus operator) and store the remainder in array
Step 2: Divide the number by 2 through / (division operator)
Step 3: Repeat the step 2 until number is greater than 0

Let's see the c example to convert decimal to binary.

#include  
#include
int main(){
int a[10],n,i;  
system ("cls");
printf("Enter the number to convert: ");  
scanf("%d",&n);  
for(i=0;n>0;i++)  
{  
a[i]=n%2;  
n=n/2;  
}  
printf("\nBinary of Given Number is=");  
for(i=i-1;i>=0;i--)  
{  
printf("%d",a[i]);  
}  
return 0;
}

Output:

Enter the number to convert: 5
Binary of Given Number is=101

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C Program to convert Decimal to Binary

C Program to convert Decimal to Binary

Decimal Number

Binary Number

Decimal to Binary Conversion Algorithm

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