Roth IRA Conversion with Distributions Calculator
Use this calculator to help determine how you can stretch out your retirement plan distributions for as long as possible.
How the roth ira conversion with distributions calculator works
It models paying the conversion tax from the IRA itself, which shrinks the amount that compounds. It then compares that smaller Roth balance to leaving the money traditional and taxing it at withdrawal.
Worked example: with ira amount to convert of $100,000, tax rate on the conversion of 24.00% and annual return of 7.00%, the roth ira conversion with distributions calculator shows conversion costs more of $7,739.
- Conversion tax now
- $24,000
- Roth value (tax-free)
- $294,096
- If not converted (after tax)
- $301,835
- Net advantage
- -$7,739
The formula
Invested = amount − conversion tax. Roth value = invested × (1 + return)^years. Traditional after-tax = amount × (1 + return)^years × (1 − retirement tax rate).
Results are estimates for educational purposes and are not financial advice. Confirm exact figures with your lender, plan administrator or advisor.
Questions about the roth ira conversion with distributions calculator
Why does paying tax from the IRA matter?
Because using IRA money to pay the conversion tax means less is left to grow tax-free — and if you are under 59½, that portion may itself be penalized. Converting then loses much of its edge.
When does conversion still make sense if I pay from the IRA?
Mainly when you strongly expect a higher tax rate in retirement. Otherwise, paying the tax from outside funds is almost always the better approach.
Can I undo a Roth conversion?
No — recharacterizing a conversion was eliminated by tax law in 2018. Once you convert, it is permanent, so model the decision carefully first.
Is the Roth IRA Conversion with Distributions Calculator free to use?
Yes. Every calculator on FinCalculators is completely free, with no sign-up, login or paywall. You can run as many scenarios as you like.