401(k) growth, contribution, and match optimization calculators. Browse our free 401(k) tools below — all calculators are instant, accurate, and require no sign-up.
401(k) Contribution Calculator — Free 401(k) contribution calculator. Find your per-paycheck contribution, remaining room to the annual limit, and catch-up eligibility for 2025 ($23,500 limit, $7,500 catch-up for 50+).
401(k) Growth Calculator — Free 401(k) growth calculator. Project your 401(k) balance over time with employer match, annual contribution increases, and compound growth to see the power of tax-deferred retirement savings.
Employer 401(k) Match Calculator — Free employer 401(k) match calculator. See how much free money your employer contributes, your vesting schedule, and how much you leave on the table if you don't maximize your match.
Roth 401(k) vs Traditional 401(k) Calculator — Free Roth vs Traditional 401(k) calculator. Compare after-tax retirement wealth by contributing pre-tax (Traditional) or after-tax (Roth) based on your current and future tax rates.
Solo 401(k) Contribution Calculator — Free Solo 401(k) contribution calculator for 2025. Calculate employee deferrals plus employer profit-sharing. Includes catch-up contributions and SEP IRA comparison.