# How to calculate the volume of a sphere using C programming language?

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The volume of sphere is nothing but the capacity of the shape.

Volume of a sphere formula is −

$$V\:=\:\frac{4}{3}\Pi\:r^{3}$$

## Algorithm

Step 1: Enter radius of sphere at runtime
Step 2: Apply the formula to variable
Step 3: print the volume
Step 4: stop

## Program 1

Live Demo

#include<stdio.h>
int main(){
float vol;
printf("the volume of a sphere is %f\n",vol);
return 0;
}

## Output

the volume of a sphere is 33509.335938

## Program 2

Following is an example to find Volume and Surface Area of Sphere −

Live Demo

#include <stdio.h>
#include <math.h>
int main(){
float area, vol;
printf("Enter radius of the sphere : \n");
area = 4 * (22/7) * rad * rad;
vol = (4.0/3) * (22/7) * rad * rad * rad;
printf("Surface area of sphere is: %.3f", area);
printf("\n Volume of sphere is : %.3f", vol);
return 0;
}

## Output

Enter radius of the sphere :
4
Surface area of sphere is: 192.000
Volume of sphere is : 256.000