Finance calculator
401(k) Calculator
Estimate the future value of employee contributions and employer match.
Last reviewed
September 2026
September 2026
Enter your details
Results update privately in your browser.
How we calculate
A transparent estimate you can inspect.
Formula
Monthly employee contributions and employer match are compounded at the assumed return.
Privacy
Your values are calculated locally and are not sent to a server by this calculator.
Use with care
Results are for informational purposes, not financial, tax, legal, lending, or investment advice.
Understanding your results
The projection combines employee deposits and the modeled employer match.
Assumptions and limitations
- Does not enforce plan-specific limits, vesting, or catch-up rules.
Common questions
Before you decide
What assumptions does this use?
The inputs and assumptions are shown on this page; real outcomes can differ.
Does this use my financial data?
No. Inputs stay in your browser.