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Compound Interest Calculator

See how your money grows when interest earns interest. Pick the compounding frequency that matches your deposit, results update instantly in your browser.

Starting deposit or principal, in rupees.

Annual interest rate as a percentage.

Tenure in years (decimals allowed).

Total amount₹12,203.91
Interest earned₹2,203.91

₹10,000 at 10% per year, compounded monthly, grows to ₹12,203.91 after 2 years.

HOW TO USE

  1. 1Enter the principal amount in rupees.
  2. 2Set the annual interest rate and the time period in years.
  3. 3Pick the compounding frequency: yearly, half-yearly, quarterly, monthly or daily.
  4. 4Total amount and interest earned update instantly as you type.

EXAMPLE

INPUT

Principal: ₹10,000 · Rate: 10% · Time: 2 years · Monthly compounding

OUTPUT

Total amount: ₹12,203.91
Interest earned: ₹2,203.91

FAQ

What is compound interest?
Compound interest is interest earned on both the original principal and on the interest already accumulated. Commonly described as "interest on interest".
How does the compounding frequency change the result?
The more frequently interest compounds, the more total interest you earn for the same rate. Daily compounding produces slightly more than monthly, which produces more than yearly.
Is my data sent to a server?
No. All calculations run in your browser.
What is the difference between this and simple interest?
Simple interest is calculated only on the principal, so it grows linearly. Compound interest also earns on accumulated interest, so it grows faster over time. Try the Simple Interest Calculator to compare.

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