Free Compound Interest Calculator Online – Future Value Calculator
Calculate compound interest and future value with any compounding frequency
Features
- Annual, semi-annual, quarterly, monthly, daily compounding
- Future value calculation
- Interest earned breakdown
- Free & instant
- No signup required
Frequently Asked Questions
Annually, semi-annually, quarterly, monthly, and daily — select the frequency that matches your account or investment.
A = P(1 + r/n)^(nt), where P is principal, r is annual rate, n is compounding frequency per year, and t is time in years.
More frequent compounding (daily vs. annually) earns slightly more interest over the same period, since interest itself starts earning interest sooner.
Yes — enter each option's rate and compounding frequency to see which actually produces a higher future value.
Yes — both the future value and the interest earned portion are shown separately.
How to Use Compound Interest Calculator
Using Compound Interest Calculator is simple and free. No sign-up required.
- Enter the principal amount.
- Enter the annual interest rate.
- Enter the time period in years.
- Select a compounding frequency and click 'Calculate'.
About Compound Interest Calculator
Compound Interest Calculator computes the future value and total interest earned from a principal amount, annual interest rate, time period, and compounding frequency — useful for projecting how a savings account, investment, or loan will grow over time, and for understanding why compounding frequency (monthly vs. annually, for example) actually changes the total return.
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