401k Calculator
Free, fast, and no sign-up. Results are estimates.
About the 401k Calculator
Enter your salary, contribution percentage, employer match, and years until retirement. The calculator shows your yearly contribution, the income tax you save, the real change in your take-home pay, and a projected balance.
Frequently asked questions
What is the 401(k) contribution limit?
This calculator caps employee contributions at 24,500 dollars a year, the 2026 limit used in our data. Catch-up contributions for older workers are not included.
Is a 401(k) projection guaranteed?
No. The projection assumes a steady yearly return that you choose. Real returns vary and can be negative in some years.
Is the result exact?
These results are estimates for planning, not tax advice. They do not include local taxes, health insurance, or other payroll deductions.