What you provide
What you provide
- Conversion amount: Amount considered for conversion.
- Marginal tax rate: Planning marginal tax rate.
- Existing taxable income: Income before the conversion.
FINANCE / MONEY PLANNING
Roth Conversion Calculator
Estimate tax on a retirement-account conversion using an entered taxable income and marginal rate. Review the entered amounts, rate, formula, and resulting planning estimate together.
- 01 Calculated in this tab
- 02 Values stay in this browser tab
- 03 Use boundary
Use boundary
Calculation path
Enter the values shown. Nirmion calculates locally in your browser and explains the formula and assumptions beside the result.
Calculation path
Tax = max(0, income - basis or deductions) x tax rate / 100.
What you receive
What you receive
- A primary estimate
- Supporting planning metrics
- The formula and limitations used
Use boundary
Choose the maximum decimal places shown. This does not increase source accuracy.
Planning estimate only. Confirm current rates, local rules, fees, and professional guidance before making a financial decision.