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# C Program to Calculate Simple Interest

Learn about C Program to Calculate Simple Interest in the below code example. Also refer the comments in the code snippet to get a detailed view about what’s actually happening.

Contents

#### C Program to Calculate Simple Interest

SI = P × R × T, where P = Principal, R = Rate of Interest, and T = Time period, is the formula for calculating simple interest. In this case, the rate is expressed as a percentage (r%), which is written as r/100.

Program:

#include<stdio.h>
int main()
{
float p, t, r, interest;

// inputs from user
printf("Enter principal amount(p),
time(t) and rate(r) values: ");
scanf("%f %f %f",&p,&t,&r);

// calculating simple interest
interest = ( p*t*r ) / 100;

// print result
printf("interest = %.2f\n",interest);

return 0;
}

Output:

Enter principal amount, time and rate values: 25000 6 3
interest = 4500.00

Hope above code works for you and Refer the below Related Codes to gain more insights. Happy coding and come back again.