The years immediately after retirement can look very different from the years that come later. A paycheck may stop, Social Security may not have started yet, and Required Minimum Distributions may still be years away. For some households, that creates a period with lower taxable income than they had while working or expect to have later.
That gap is often called a retirement tax-planning window. One strategy retirees may evaluate during it is a Roth conversion: intentionally moving eligible money from a traditional pre-tax retirement account into a Roth IRA and recognizing the taxable amount in the year of conversion.
A conversion is not automatically a good idea, and there is no universal amount that everyone should convert. The value comes from understanding the tradeoffs. Start with the broader retirement planning framework and then evaluate whether conversions fit the household’s income, tax, legacy, and cash-flow goals.
What Is a Roth Conversion?
A Roth conversion moves eligible retirement assets from a traditional IRA or other eligible pre-tax retirement account to a Roth IRA. The pre-tax portion converted is generally included in gross income for that tax year. If the account contains nondeductible after-tax basis, the taxable calculation can be more complicated.
The long-term tradeoff is that qualified Roth IRA withdrawals can be tax-free and the original Roth IRA owner is not required to take lifetime RMDs. That may provide more flexibility later, but the conversion creates a tax cost now.
Why the Years Before RMDs Can Be Different
Consider a retiree who leaves work at 62, delays Social Security for several years, and does not yet have to take RMDs. Their taxable income may temporarily be lower than it was during their career. Once Social Security, pensions, and RMDs overlap, the income picture may change.
A partial conversion during a lower-income year can sometimes shift dollars from a future tax-deferred bucket into a Roth bucket while the retiree has more control over the timing. The key word is sometimes. A conversion can also push income higher than intended and affect other tax- or income-sensitive items.
Roth Conversion vs. Waiting for RMDs
|
Question |
Convert some funds earlier |
Leave funds tax-deferred |
|
Tax timing |
Recognize taxable income voluntarily in the conversion year. |
Defer tax until later withdrawals or RMDs. |
|
RMD exposure |
Converted Roth IRA dollars generally are not subject to owner lifetime RMDs. |
Traditional account balance continues to feed future RMD calculations. |
|
Control |
Retiree chooses whether and how much eligible money to convert. |
Future RMD amount is formula-driven once required. |
|
Near-term cash flow |
May require cash for the conversion tax bill. |
No conversion tax bill now, though later distributions are generally taxable. |
|
Legacy flexibility |
Roth assets can change the tax character of inherited retirement assets, but beneficiary rules still apply. |
Beneficiaries may inherit pretax tax obligations and distribution requirements. |
The Most Important Number Is Not the Account Balance
People often ask, “How much should I convert?” before asking the more important question: “How much taxable income can I intentionally add this year without creating an outcome I do not want?”
A conversion should be modeled together with wages or consulting income, pensions, Social Security, interest, dividends, realized gains, deductions, charitable giving, and other tax items. Because a conversion increases income, it can also influence calculations outside the retirement account itself.
6 Factors to Review Before a Roth Conversion
1. Current and expected future tax rates. A conversion is a prepayment of tax. The strategy is more compelling when paying tax now is expected to compare favorably with the tax cost of leaving the dollars deferred, but future tax rates are uncertain.
2. How you will pay the tax. Using cash outside the IRA may preserve more assets inside retirement accounts, but liquidity matters. Withholding tax from converted funds can reduce the amount reaching the Roth and may have additional consequences for younger account owners.
3. Your Social Security timing. Social Security can become a major part of taxable retirement income. Understanding how benefits fit into the plan can help identify whether lower-income years exist before or after claiming. Review Financial Literacy Advocates’ article on the role of Social Security in retirement.
4. Your RMD start date. A conversion done before RMDs begins is elective. Once RMDs are due, the required amount itself cannot be converted; it generally must be distributed first before additional eligible dollars are converted.
5. Your Roth IRA five-year timeline. Qualified Roth IRA distributions have a five-tax-year requirement in addition to other qualification rules. Retirees opening their first Roth IRA late in life should understand the clock before assuming every withdrawal will immediately be tax-free.
6. Estate and beneficiary goals. Roth assets can provide different tax characteristics to heirs, but inherited-account distribution rules still matter. Coordinate conversions with beneficiary designations and the broader wills and trusts planning discussion.
Why Partial Roth Conversions Are Commonly Evaluated
A Roth conversion does not have to be all-or-nothing. Retirees often evaluate partial annual conversions because income, deductions, investment gains, and tax rules vary from year to year. A multi-year plan can make it easier to revisit assumptions rather than committing the entire pretax account in one tax year.
There is another reason to be deliberate: Roth conversions made after 2017 generally cannot be recharacterized back to a traditional IRA. In plain language, a completed conversion cannot simply be “undone” later because the tax outcome or market movement was disappointing.
What Changes Once RMDs Begin?
If you are required to take an RMD for the year, the RMD is not eligible for rollover or Roth conversion. IRS rules treat the required distribution as coming out before additional IRA dollars can be converted. You can still consider converting eligible amounts after satisfying the RMD, but the combined taxable income deserves careful modeling.
That is why the pre-RMD period gets so much attention. It may offer more control over the amount and timing of taxable retirement-account income before mandatory distributions enter the picture.
Roth Accounts and RMDs Have Changed
Roth IRAs have long avoided lifetime RMDs for the original owner. SECURE 2.0 also eliminated lifetime RMDs from designated Roth accounts in 401(k) and 403(b) plans for 2024 and later years. That change reduces one historical reason people rolled designated Roth plan money to a Roth IRA solely to avoid owner RMDs.
Questions to Bring to a Retirement Tax-Planning Meeting
What will my taxable income look like if I do nothing this year?
How would several different conversion amounts change that picture?
When do I expect Social Security, pension income, and RMDs to begin?
Do I have cash available to pay tax without creating a liquidity problem?
Could the conversion affect income-sensitive tax or Medicare calculations?
Have I already established a Roth IRA, and what five-year rules apply to me?
How do my spouse, beneficiaries, and estate plan affect the decision?
Financial Literacy Advocates hosts retirement education events and maintains federal benefits resources for people who want to understand the moving pieces before making retirement decisions.
Use the Conversion Window Intentionally
The period between retirement and RMDs can be financially quiet on the surface while being strategically important underneath. A Roth conversion can be useful when it solves a specific planning problem: managing future taxable income, creating more tax diversification, or aligning retirement assets with long-term family goals.
The strategy is most useful when it is modeled rather than guessed. Review several conversion amounts, consider both the current-year tax bill and future retirement income, and update the plan as laws, markets, and family circumstances change. Explore Financial Literacy Advocates or contact the organization to learn about upcoming educational programs.
Frequently Asked Questions
Is a Roth conversion taxable?
Generally, yes. The pre-tax portion converted from a traditional IRA or eligible pretax retirement plan is included in gross income for the conversion year. If you have after-tax basis, the taxable calculation may require Form 8606 and special pro-rata rules.
Can I convert my Required Minimum Distribution to a Roth IRA?
No. An RMD is not eligible for rollover or Roth conversion. In a year when an RMD is due, the required amount generally must be distributed first. After that, additional eligible retirement dollars may be considered for conversion.
Should everyone convert to a Roth before RMDs begin?
No. A Roth conversion is a tax-planning tool, not a universal retirement rule. It may be unattractive when current tax rates are high, cash for the tax bill is limited, the retiree expects lower taxable income later, or the conversion creates unwanted effects elsewhere in the tax or benefit picture. The decision should be modeled for the household’s circumstances.
Educational notice: This article is for financial education only and is not individualized financial, investment, legal, or tax advice. Roth conversions can affect taxable income and other income-based calculations, and retirement rules change. Consult qualified tax and financial professionals and current IRS guidance before making a conversion.