$10,000 at 5% for 10 years
$10,000 × (1.05)¹⁰ gives an estimated future value of $16,288.95, before tax or fees.
Compound interest calculator
Estimate future value with annual compound interest.
Calculation details
Change the values to update the result instantly.
How it works
Estimate future value with annual compound interest. This free estimate is for planning purposes. Verify financial and tax decisions with a qualified professional.
Compound interest formula and example
Compound interest adds each period's interest to the balance. The calculator uses future value = principal × (1 + annual rate)ʸᵉᵃʳˢ.
Compound versus simple interest
Simple interest is calculated only on the original principal. Compound interest also earns interest on earlier interest.
Rates and compounding frequency
This calculator compounds annually. A product that compounds monthly or daily can produce a different result.
Frequently asked questions
What is the compound interest formula?
For annual compounding, future value equals principal × (1 + annual interest rate) raised to the number of years.
How much will $10,000 grow at 5% for 10 years?
With annual compounding, $10,000 × (1.05)¹⁰ produces an estimated future value of $16,288.95 before tax or fees.
What is the difference between simple and compound interest?
Simple interest is calculated only on the original principal. Compound interest also earns returns on interest added in earlier periods.
What does the compound interest calculator calculate?
Estimate future value with annual compound interest.
Is this calculator free to use?
Yes. You can change the values and calculate as often as you need without creating an account.
How accurate is the result?
The result is an estimate based on the values you enter. Rates, fees, taxes and personal circumstances can change the final amount.