Compound Interest Calculator

See how compound interest grows a principal over time with annual, quarterly, monthly, or daily compounding. Select currency for display.

Compound Interest Calculator

Results use the currency you select (display only — amounts are not converted).

How to Use

  1. Select currency, principal, annual rate, years, and compounding frequency.
  2. Calculate final amount and interest earned.

Formula

A = P (1 + r/n)^(n×t). Interest = A − P.

Worked Example

Example: $10,000 at 5% for 3 years compounded monthly grows more than the same rate compounded annually.

What the Result Means

Higher compounding frequency increases effective yield for the same nominal rate.

Important Notes & Limitations

  • Does not model contributions or withdrawals.
  • Not investment advice.

Frequently Asked Questions

What is compounding frequency?

How often interest is applied per year (e.g., 12 = monthly).

APY vs APR?

This shows nominal rate inputs; effective yield rises with more frequent compounding.

Can I add monthly deposits?

Use the SIP / Investment Calculator for regular contributions.

Taxes?

Not included.

Related Calculators

See also: Loan EMI, Mortgage, Compound Interest, Percentage.

Disclaimer: Results are approximate and for educational and informational purposes only. They are not financial, tax, medical, or legal advice. Verify important decisions with a qualified professional.

Disclaimer: All calculators provide approximate results for educational and informational purposes only.