401(k) Calculator

See how employee deferrals and employer matching can grow over time.

e.g. 50% match up to 6% → enter effective match %

How to use

Monthly employee + employer contributions are added, then compounded monthly.

Frequently asked questions

Do you store the numbers I enter?

Calculations run in your browser. Inputs are not sent to our servers.

Are the results guaranteed accurate?

Standard formulas are used. Double-check important decisions with a professional or official source.