What compounding frequencies are supported?

Annually, semiannually, quarterly, monthly, and daily.

Can I include regular contributions?

Yes, set an extra contribution amount added at every compounding period.

Is this financial advice?

No, it's an educational estimator only.

Compound Interest Calculator

Project investment growth with compounding and recurring contributions.

Works Offline

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No Login

No API

Investment details

Principal

Annual rate (%)

Years

Compounding

Extra contribution per period

Result

Final balance

16470.09

Total contributed

10000.00

Interest earned

6470.09

About the Compound Interest Calculator

Calculate how an investment grows over time with compound interest, adjustable compounding frequency, and optional recurring contributions per period.

Examples

$10,000 at 5% for 10 years

P=10000, r=5%, t=10y, monthly

Output

≈ $16,470

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Frequently asked questions

Version 1.0.0 · Updated 2026-08-07 · Runs entirely in your browser