Roth Conversion Calculator

Analyze the tax impact, break-even timeline, and long-term benefit of converting traditional IRA or 401(k) funds to a Roth IRA.

Tax Disclaimer

This calculator provides estimates based on general tax rules and may not reflect your specific situation. Tax laws vary by jurisdiction and change frequently. Consult a qualified tax professional or CPA for advice tailored to your circumstances.

Inputs

Conversion Amount ($)

Current Taxable Income ($)

Filing Status

State Tax Rate (%)

Expected Annual Return (%)

Years Until Withdrawal

Expected Retirement Tax Rate (%)

Tab to move between fields

Results

Net Benefit (Tax Paid Outside)

$42,567

Tax Cost of Conversion

$14,090

Net Benefit (Tax From IRA)-$11,955

Effective Tax Rate on Conversion28.18%

Roth Future Value (Tax-Free)$193,484

Traditional After-Tax Value$150,918

Federal Tax on Conversion$11,590

Break-Even (Years)-1

Roth Basis35,910.5

How to Use This Calculator

Enter Conversion Amount — the amount to move from a traditional IRA/401(k) to a Roth IRA.
Set Current Taxable Income — the conversion adds to ordinary income in the conversion year.
Select Filing Status and enter State Tax Rate %.
Set Expected Annual Return % and Years Until Withdrawal.
Enter Expected Retirement Tax Rate % — if higher than current rate, Roth conversion saves money.
Review Net Benefit (Tax Paid Outside) — paying conversion tax from non-retirement funds maximizes the Roth's advantage.

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