Free Online Compound APY Calculator
See how principal grows with compound interest at a given APY.
Free, with no paywall or watermark
No sign-up or account required
Runs instantly in your browser
Calculations stay on your device
Calculator
Final amount
13,481.82
Total interest
3,481.82
How to use
- 1
Enter principal
Starting amount to compound.
- 2
Set APY and duration
Annual yield, years, and compounding frequency.
- 3
Review results
Final balance and total interest earned.
Frequently asked questions
Is APY guaranteed?
No. DeFi and exchange yields change; this is a projection only.