Simple Interest Calculator

Calculate simple interest on loans, debt instruments, and fixed deposit savings.

₹
%
Yr
Principal Amount₹1,00,000
Simple Interest₹40,000
Total Amount₹1,40,000
1.4xMultiplier
Principal
Interest

Simple Interest Calculator – Calculate Simple Interest & Maturity

Simple Interest is a quick, straightforward method of calculating interest charges or earnings where interest is paid strictly on the original principal sum throughout the duration.

Unlike compound interest, simple interest does not reinvest earned interest back into the principal.

What is Simple Interest?

Simple interest is commonly used in short-term peer-to-peer lending, specific automotive finance structures, and government bonds that pay fixed annual coupons.

Why Use a Simple Interest Calculator?

Quickly calculates the cost of short-term borrowings.
Demonstrates the contrast between linear simple interest and exponential compound interest.
Assists in evaluating fixed coupon returns on corporate debt.

The Simple Interest Formula

Interest is directly proportional to principal, rate, and time:

Calculation Formula
SI = ( P × R × T ) / 100
Parameters Definition
SI:Total simple interest accrued.
P:Principal sum borrowed or invested.
R:Annual interest rate percentage.
T:Time duration in years.

Using the Simple Interest Calculator

1

Input your principal amount.

2

Enter the annual interest rate.

3

Set the duration in years to view total interest and final maturity payout.

Frequently Asked Questions

How does Simple Interest differ from Compound Interest?
In Simple Interest, only the original principal earns interest. In Compound Interest, interest earned in each period is added to the principal, earning 'interest on interest'.

Popular Calculators

Sukanya Samriddhi Yojana CalculatorIncome Tax / HRA CalculatorPPF CalculatorEPF CalculatorFD CalculatorRD CalculatorEMI CalculatorNPS CalculatorRetirement CalculatorGratuity Calculator

Mutual Fund Calculators

SIP CalculatorLumpsum CalculatorSWP CalculatorMutual Fund Returns CalculatorStep Up SIP CalculatorCAGR CalculatorCompound Interest CalculatorSimple Interest Calculator
Expert Advisory

Need Guidance on Your Portfolios?

Schedule a private 1-on-1 portfolio review with an AMFI registered advisor at Golden Bag Capital Services.