Compound Interest Calculator
See how investments grow with compound interest and optional regular contributions.
Runs in your browser — files never leave your device
Future value
$22,196.4
Total contributed
$10,000
Interest earned
$12,196.4
How it works
Enter a starting amount, expected return, time and optional regular contribution to project growth with compound interest.
Frequently asked questions
- What does compounding frequency change?
- More frequent compounding (monthly vs yearly) grows your balance slightly faster at the same rate.
- Is my data uploaded?
- No — it runs in your browser.
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