At a glance
A Roth conversion moves pretax retirement money into a Roth account. The converted taxable amount is generally included in income for that year. Future qualified Roth withdrawals may be tax-free, but a conversion is not automatically beneficial and should be coordinated with your broader tax and retirement plan.
What is a Roth conversion?
A conversion generally transfers money from a traditional IRA or eligible pretax retirement account into a Roth IRA or designated Roth account when permitted. The transaction changes the future tax treatment: you generally recognize taxable income now in exchange for potential tax-free qualified distributions later.
Why retirees consider conversions
- To reduce future pretax balances and possible required distributions.
- To create greater tax diversification.
- To use years with temporarily lower taxable income.
- To leave beneficiaries assets with different tax characteristics.
- To give future withdrawals more flexibility.
Why timing matters
A conversion can increase adjusted gross income. That may affect federal and state taxes, Medicare income-related surcharges in a later year, taxation of Social Security, tax credits, deductions, and other income-sensitive items. Large one-time conversions can be less efficient than a carefully modeled multi-year strategy.
How much should be converted?
There is no universal amount. A planning process may compare several conversion levels against tax brackets, cash available to pay the tax, Medicare thresholds, charitable giving, expected future RMDs, estate goals, and the surviving spouse’s potential tax situation.
Where should the tax money come from?
Paying conversion tax from money outside the retirement account may preserve more assets inside the Roth. Using retirement funds to pay the tax reduces the amount converted and can create additional tax or penalty issues depending on age and circumstances.
The five-year rules
Roth accounts have multiple five-year rules. One relates to qualified distributions of earnings; another can apply to converted amounts when the owner is under age 59½. The application depends on age, account history, and the type of distribution.
Roth conversion checklist
- Estimate current-year taxable income before the conversion.
- Model federal and state tax at several conversion amounts.
- Review Medicare and Social Security interactions.
- Confirm how the conversion tax will be paid.
- Check whether after-tax basis exists in any traditional, SEP, or SIMPLE IRA.
- Review beneficiaries and estate objectives.
- Confirm custodian procedures and year-end deadlines.
- Plan for estimated tax payments or withholding.
Frequently asked questions
Is a Roth conversion tax-free?
Usually not when pretax money is converted. The taxable portion is generally included in gross income for the conversion year.
Can I convert after retirement?
Yes, subject to account eligibility and tax rules. The years after work income falls and before RMDs or Social Security begin may deserve review, but they are not automatically ideal.
Do Roth IRAs have lifetime RMDs for the owner?
Roth IRAs generally do not require lifetime distributions for the original owner, although beneficiaries are subject to distribution rules.
Official sources
- IRS: Retirement plans FAQs regarding IRAs
- IRS: Publication 590-A and Publication 590-B
- IRS: Required minimum distribution FAQs