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Roth IRA Conversion Calculator

Roth IRA Conversion Calculator

Use a free Roth IRA conversion calculator to estimate 2026 federal tax, state tax, possible penalties, break-even years, and projected after-tax value.

Search intent

For users searching for a direct Roth IRA conversion calculator with transparent assumptions.

This Roth IRA Conversion Calculator page is built for users who want to move directly from search intent into a working calculator.

The calculator estimates the taxable conversion amount, federal tax impact, user-entered state tax, modeled penalty assumptions, and projected after-tax comparison.

All inputs can be adjusted on the calculator page, and calculations run locally in the browser without storing personal financial information on a server.

Sample result preview

Lower-income early-career sample

A sample output helps show how taxable conversion, upfront cost, and long-term projection fields appear before users enter their own assumptions.

Taxable conversion
$25,000
Estimated upfront cost
$5,500
Break-even year
Year 0
Modeled federal effective rate
22%

Sample assumptions

  • $25,000 conversion
  • $65,000 current taxable income
  • Single filing status
  • Outside funds used for taxes

This is a fixed educational sample, not stored user data and not a recommended conversion amount. Change the calculator inputs before using any result for professional review.

Use the calculator

Open the live calculator, enter your own assumptions, and use the output only as an educational worksheet for professional review.

Open the Roth IRA conversion calculator

This page is educational and illustrative only. It does not provide tax, financial, legal, or investment advice.

This Roth Conversion Calculator is for educational and illustrative purposes only. It does NOT constitute tax, financial, legal, or investment advice. The calculation results are based on the information you provide and the latest IRS tax rules, which are subject to change. We do not guarantee the accuracy of the results. Please consult a licensed Certified Public Accountant (CPA), financial advisor, or tax professional before making any financial decisions.