C Program to Calculate Simple Interest

In this article we will show you, How write a C Program to Calculate Simple Interest with example. Before we get into the example, let me show you the formula behind the Simple Interest calculation:

Simple Interest = (Principal Amount * Rate of Interest * Number of years) / 100

C Program to Calculate Simple Interest

This C program allows the user to enter the Principal Amount, Rate of Interest, and the Number of years. By using those values, it will calculate the Simple Interest using the above specified formula.

/* C Program to Calculate Simple Interest */
#include<stdio.h>
 
int main() 
{
   float PAmount, ROI, Time_Period, si;
 
   printf("\nPlease enter the Principal Amount : \n");
   scanf("%f", &PAmount);
 
   printf("Please Enter Rate Of Interest : \n");
   scanf("%f", &ROI);
 
   printf("Please Enter the Time Period in Years : \n");
   scanf("%f", &Time_Period);
 
   si = (PAmount * ROI * Time_Period) / 100;
   printf("\nSimple Interest for Principal Amount %.2f is = %.2f", PAmount, si);
 
   return 0;
}

OUTPUT

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