Free 401k growth calculator. Project your retirement account balance with employer match, annual limits, and compound interest. Supports Roth & Traditional 401k. Client-side only. | No signup · Data never leaves your device
Zero dependency · Works offlineA 401k is the most common US retirement savings plan. You contribute pre-tax dollars from your paycheck, and employers often match a percentage. The 2025 contribution limit is $23,500 ($30,500 with catch-up for age 50+). Traditional 401k: tax-deferred contributions, taxed at withdrawal. Roth 401k: after-tax contributions, tax-free withdrawals.
This calculator provides estimates only and does not constitute investment or tax advice. Actual returns vary with market conditions. Past performance does not guarantee future results. Consult a financial advisor.