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Compound Interest Calculator

Project investment growth with contributions and compound interest.

Future value$106,639.02
$70,000.00Total contributions
$36,639.02Interest earned
52.3%Annual rate

Your data stays on your device

How to use it

  1. Enter the values you know.
  2. Adjust units, rates or dates to match your situation.
  3. Read the result instantly and try another scenario if needed.

Supported formats

Numbers, dates and browser-based results

Private by design

Your data stays on your device. No account is required.

Frequently asked questions

Does this calculator store my values — Compound Interest Calculator?

No. The calculation happens in your browser and the values are not saved or sent to our server.

Is the result exact — Compound Interest Calculator?

The result follows the displayed formula and your inputs. Financial, health and time-zone results are estimates and should be checked for important decisions.

Can I use it without an account — Compound Interest Calculator?

Yes. The calculator is free and works without signing in.