Percentage Calculator
A little math. A lot less effort.
A LITTLE LESS BUSYWORK
Your everyday tools.
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Resize an image. Run the numbers. Clean up your text.
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Compound Interest Calculator
See how principal grows with periodic compounding.
- 01 · Set inputs
- 02 · Calculate
- 03 · Review
- 04 · Export CSV
How to use Compound Interest Calculator
Enter initial principal, nominal annual rate, years and compounding frequency. Review principal, interest and total; export CSV.
Example
1,000 at 10% compounded annually for two years becomes 1,210 before fees and taxes.
Limits and output
Up to 100 years, rates 0–100%, outputs up to 10^18. FV = P(1+r/n)^(ny). Daily uses 365 periods per year. No recurring deposits, taxes, fees or guaranteed return; currency is a label.