Free Financial Calculators

Simple, accurate tools to help you make smarter money decisions. No sign-up required.

Calculators

Compound Interest Calculator

See how your money grows over time with the power of compound interest.

Loan Calculator

Calculate monthly payments and total interest for any loan.

Mortgage Calculator

Calculate your monthly mortgage payment including PMI and taxes.

Calculate your return on investment and annualized return (CAGR).

Retirement Calculator

Project your retirement savings and see if you're on track.

Compound Interest Calculator

Adjust the fields below to see how your money grows

Initial investment (USD)

Monthly contribution (USD)

Annual interest rate (%)

Time period (years)

Compounding frequency

Final balance

—

After — years

Total interest earned

—

—

Total contributed

—

Principal + deposits

Final balance Interest earned Total contributed

Year-by-year breakdown

Year	Balance	Interest earned	Total contributed

Enter your numbers above to see the results

Learn about compound interest

New to investing? These guides will help you understand how your money grows.

Guide · 6 min readWhat is Compound Interest? A Complete GuideLearn how compound interest works and why it matters.

Guide · 5 min readCompound Interest vs Simple InterestUnderstand the key differences and how each affects your money.

Strategy · 7 min readHow to Grow Your Savings Fast: 7 Proven StrategiesPractical strategies to accelerate your savings.