US Roth 401k vs Traditional 401k Tax Calculator

Compare after-tax outcomes of Roth 401k vs Traditional 401k over time. Key variables: current vs future marginal tax rate, investment return, years to retirement. Crossover analysis and optimal strategy by income level.

Principal ($)
Annual Rate (%)
Years
Compounding / Year
$ Finance Disclaimer: These calculators are for educational and illustrative purposes only. Results do not constitute financial advice. Consult a licensed financial advisor before making investment or borrowing decisions.
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How to Use

Enter the values for the scenario you are assessing. Compare after-tax outcomes of Roth 401k vs Traditional 401k over time. Key variables: current vs future marginal tax rate, investment return, years to retirement. Crossover analysis and optimal strategy by income level. Use the roth vs traditional 401k result to inform your calculation.

Frequently Asked Questions