Finance & Money
401k Calculator
Calculate 401k growth and retirement savings
Formulas and edge cases are reviewed against authoritative references before publication. For methodology, editorial standards, or corrections, use the links below.
Frequently asked questions
What does the 401k Calculator do?
It helps you calculate 401k growth and retirement savings.
What inputs do I need?
Enter Annual salary, Your contribution, Employer match, Expected return, and Years of saving.
Are decimals supported?
Yes, you can use decimal values where appropriate.
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About this tool
This 401k Calculator turns your inputs into practical results. Provide Annual salary, Years of saving, and Your contribution to calculate Future balance and Employee contribution.
Adjust values to compare scenarios and see how sensitive the result is. The calculation uses the numbers as entered, so double-check units and expect small differences from rounding in the displayed totals.