Simple and Compound interest Calculator

When you invest wisely, compound interest helps your money grow over time. On the other hand, debt with a compound interest can become a financial burden if not managed well.

%
Principal amount ₹ 1,000
Total interest ₹ 2,106
Total amount ₹ 3,106

Get Professional Legal Advice

Understanding Compound Interest

Compound interest is when you earn interest on your initial amount (principal) and the already added interest. This means your money grows faster over time because each interest calculation is based on an increasing total. The longer you leave it, the more your investment grows.



How Compound Interest Calculator Works

A simple compound interest calculator works by following these steps:

  1. Input Data: You enter the principal amount, interest rate, time period, and how often the interest is compounded (e.g., annually, quarterly, monthly).
  2. Calculate Interest: The calculator uses the compound interest formula to calculate the interest over the specified time period.
  3. Display Result: It shows the total amount, which includes both the principal and the compounded interest, and sometimes also displays the total interest earned separately.


Advantages Of Compound Interest

  1. Your money grows faster by earning interest on both the initial amount and the accumulated interest.
  2. Over time, your investment can increase significantly due to the compounding effect.
  3. The longer you invest, the greater the benefits from compound interest.
  4. Compound interest typically offers higher returns than simple interest.
  5. It encourages saving and investing, as your money grows more over time.


Formula To Calculate Compound Interest

The formula to calculate compound interest is:

A = P(1 + r/n)nt

Where:

  1. A is the final amount (Principal + Interest)
  2. P is the principal (initial amount)
  3. r is the annual interest rate (as a decimal)
  4. n is the number of times interest is compounded per year
  5. t is the time money is invested or borrowed for, in years

To find the compound interest, subtract the principal from the final amount:

Compound Interest = A - P

This formula helps you calculate how much your investment will grow over time, considering the effect of compounding.

Formula To Calculate Simple Interest

The formula to calculate simple interest is:

Simple Interest (SI) = P × R × T

Where:

  1. P = Principal amount (the initial amount of money)
  2. R = Rate of interest per year (as a decimal; for example, 5% becomes 0.05)
  3. T = Time in years

This formula calculates the interest based on a straightforward multiplication of the principal, rate, and time.

Explore a Wide Range of Online Calculators for Every Need

Discover calculators for all your needs, providing quick and accurate results. From daily tasks to complex calculations, simplify everything effortlessly!

GST Calculator

Get the best GST calculator in India at RTC. Easy GST calculation in seconds, anytime and anywhere!

Learn More

Income Tax Calculator

Accurately calculate your Income Tax anytime, anywhere with the Restthecase Income Tax Calculator for AY 2024-2025

Learn More

NPS Calculator

The NPS Calculator helps you estimate your NPS returns and the total pension corpus based on your contributions and expected rate of return.

Learn More

HRA Calculator

House Rent Allowance (HRA) based on salary, rent paid, and location for income tax purposes.

Learn More

SIP Calculator

The SIP Calculator allows you to forecast the potential returns of your SIP by entering your monthly contribution and expected rate of return.

Learn More

Gratuity Calculator

The Gratuity Calculator helps you estimate the lump sum amount payable upon leaving your job after completing five years of service.

Learn More

Salary Calculator

The Salary Calculator helps you break down your gross salary into net pay, deductions, and benefits, providing a clear picture of your take-home salary.

Learn More

RD Calculator

The RD Calculator helps you compute the maturity amount of your Recurring Deposit (RD) by entering the monthly investment amount, tenure, and interest rate.

Learn More

Retirement Calculator

Discover how much you need to save for retirement and start planning for your future.

Learn More

Home Loan EMI Calculator

Calculate your Equated Monthly Installments (EMI) for loans with our user-friendly EMI calculator.

Learn More