# C program to calculate Simple Interest | Simple Interest program in C Language

In this post, We are going to discuss the Simple Interest program in C Language. Before writing the program, Here is the simple interest formula.

## What is Simple Interest :

A quick method of calculating the interest charge on a loan. Simple interest is determined by multiplying the interest rate by the principal by the number of periods. ## Simple Interest program :

1. #include<stdio.h>
2. #include<conio.h>
3. void main()
4. {
5.   float p,r,t,si;
6.   clrscr();
7.   printf(“Enter the amount: “);
8.   scanf(“%f”,&p);
9.   printf(“Enter the rate of intrest in percent: “);
10.   scanf(“%f”,&r);
11.   printf(“Enter the time in year: “);
12.   scanf(“%f”,&t);
13.   si = p*r*t/100;
14.   printf(“Simple Interest is : %.2f \n”, si);
15.   getch();
16. }

### Program Output :

This program is compiled and executed under the Windows Operating system.

## Related Programs: Venkat

Hi Guys, I am Venkatesh. I am a programmer and an Open Source enthusiast. I write about programming and technology on this blog.

### 2 Responses

1. siddharthchetryblog says:

have a look at my code:Program to calculate the simple interest:
https://chetnet.blogspot.in/2017/08/c-programs.html

2. Venkat Shanthi says:

Very informative article.Thank you author for posting this kind of article .

Both are really good,
Cheers,
Venkat