United States · USD. This page uses a shared calculation model and may include US-specific assumptions. Selecting a country changes formatting, not local tax, eligibility or contribution rules. Amounts are not converted between currencies.
Input Parameters
Results
Roth vs Traditional Comparison
- Traditional Pre-Tax$813,314 (36%)
- Traditional After-Tax$634,385 (28%)
- Roth Tax-Free$813,314 (36%)
Choose a chart point to read its values.
View chart data table
Balance Comparison
- Roth$813,314 (56%)
- Trad After-Tax$634,385 (44%)
Disclaimer: This calculator provides estimates for informational purposes only. Results are based on the inputs provided and standard financial formulas. Consult a qualified financial advisor before making financial decisions.
About This Calculator
The Roth 401(k) Calculator compare Roth vs Traditional 401(k) tax benefits. It's built for anyone working with retirement who wants fast, accurate numbers without building a spreadsheet.
Sources & Model Limits
United States · USD. This page uses a shared calculation model and may include US-specific assumptions. Selecting a country changes formatting, not local tax, eligibility or contribution rules. Amounts are not converted between currencies. Read our methods and correction policy.
How It Works
Enter your annual salary, traditional annual contribution, roth annual contribution, current tax bracket (%), years to retirement, expected return (%), and the calculator instantly computes your roth 401(k) balance, traditional 401(k) balance, traditional (after tax), roth advantage, recommendation. For example, with Annual Salary: $80,000, Traditional Annual Contribution: $8,000, Roth Annual Contribution: $8,000, Current Tax Bracket (%): 22%, Years to Retirement: 30, Expected Return (%): 7%, the roth 401(k) balance comes out to $813,314.
Key Benefits
- 1See your roth 401(k) balance update instantly as you adjust any input
- 2Compare different scenarios side by side before making a decision
- 3Visualize the breakdown with a chart instead of raw numbers alone
- 4Export your results as a PDF report or CSV file for your records
Practical Tips
- →Maximize any employer match first — it is an immediate, guaranteed return
- →Revisit your contribution rate every time your income increases
- →Account for inflation when projecting how far your retirement income will go
- →The earlier you start, the less you need to save each month to hit the same goal