Compound Interest Calculator
Estimate future value and interest earned over time.
Inputs
Compound Interest Calculator
Results update as you type.
Live result
Future value
$16,470.09
Interest earned
$6,470.09
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Need more detail?
Formula, examples, and FAQ stay tucked away until you need them.
FXFormula ExplanationThe core logic behind the numbers on this page.+
The formula for compound interest is: Future Value = Principal x (1 + Annual Rate / Compounding Periods)^(Periods x Years). This formula takes into account the compounding frequency and the number of years the money is invested or saved. The result is an estimate of the future value and interest earned over time.
USEHow to UseA short path from input to result.+
- Enter your starting amount.
- Enter the expected annual rate.
- Choose the number of years and compounding periods per year.
EXExamplesReference scenarios to sanity-check your inputs.+
Example: $10,000 at 5% compounded monthly for 10 years grows to about $16,470.09.
FAQFAQCommon edge cases and quick clarifications.+
What is the difference between simple and compound interest?
Simple interest is calculated only on the initial principal amount, while compound interest is calculated on both the principal and any accrued interest.
How often can I compound interest?
You can compound interest daily, monthly, quarterly, or annually, depending on the frequency you choose.
Does this calculator include taxes or fees?
No, this calculator does not include taxes or fees. It provides an estimate of the future value and interest earned based on the inputs provided.
What factors affect compound interest?
The principal amount, annual interest rate, compounding frequency, and number of years all impact the future value and interest earned.
Can I use this calculator for multiple investments?
Yes, you can use this calculator for multiple investments by recalculating the future value and interest earned for each investment separately.