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Compound Interest Calculator

Calculate compound interest, maturity amount, investment growth, and total interest earned instantly using annual, monthly, quarterly, or daily compounding.

Use our free online compound interest calculator to get accurate results instantly. The calculator is designed to be fast, easy to use, mobile-friendly, and suitable for everyday calculations.

Accurate ResultsFree to UseInstant Calculation

Compound Interest Calculator

How the Compound Interest Calculator Works

Step 1

Enter Principal Amount

Enter the initial amount invested or deposited.

Step 2

Enter Interest Rate

Provide the annual interest rate percentage.

Step 3

Enter Time Period

Enter the investment duration in years.

Step 4

View Results

Get maturity amount, compound interest, and investment growth instantly.

Compound Interest Formula

A = P(1 + r/n)^(nt)

Compound interest is calculated on both the principal amount and the accumulated interest from previous periods. It allows investments to grow faster compared to simple interest.

Example Calculation

Input: Principal: ₹10,000, Rate: 10%, Time: 2 Years

Output: A = 10000(1 + 0.10/1)^(1×2) = ₹12,100

Common Uses

  • Investment Planning
  • Fixed Deposits
  • Mutual Funds
  • Savings Accounts
  • Retirement Planning
  • Wealth Growth Analysis

Frequently Asked Questions

What is compound interest?

Compound interest is interest earned on both the principal amount and previously accumulated interest.

What is the formula for compound interest?

A = P(1 + r/n)^(nt), where P is principal, r is annual interest rate, n is compounding frequency, and t is time in years.

Why is compound interest important?

Compound interest helps investments grow faster because earnings are continuously reinvested.

What is the difference between simple and compound interest?

Simple interest is calculated only on principal, while compound interest is calculated on principal plus accumulated interest.

Can I use this calculator for fixed deposits and investments?

Yes. This calculator can be used for fixed deposits, savings accounts, investments, and retirement planning.

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