What is a Roth conversion and how does it work?

A Roth conversion moves money from a traditional IRA or 401(k) to a Roth IRA. You pay income tax on the converted amount in the year of conversion. After that, the money grows tax-free and qualified withdrawals in retirement are tax-free. There are no income limits on Roth conversions.

When is the best time to do a Roth conversion in Southeast Texas?

The best time to convert is when your income is temporarily lower than it will be in the future — typically between retirement and age 73 (when RMDs begin), or in years when you have large deductions. Texas has no state income tax, which makes Roth conversions more attractive here than in states with high income taxes.

How much should I convert to a Roth IRA each year?

The optimal conversion amount fills your current tax bracket without pushing you into the next one. For example, if you are in the 22% bracket with room before the 24% threshold, you might convert enough to use that space. The exact amount depends on your income, deductions, Social Security, and projected future tax rates.

Does Texas have state income tax on Roth conversions?

No. Texas has no state income tax, which means Roth conversions are only taxed at the federal level. This makes Texas one of the most favorable states for Roth conversion planning — you pay only federal income tax on the converted amount, with no state tax bite.

Roth Conversion Strategy: When to Convert & How Much — SE Texas

Most Southeast Texas retirees have the majority of their savings in traditional IRAs and 401(k)s — accounts where every dollar withdrawn will be taxed as ordinary income. A Roth conversion strategy can systematically move money into tax-free accounts during the years when your tax rate is lowest, potentially saving tens of thousands of dollars over a 20–30 year retirement. Texas's lack of state income tax makes this strategy even more powerful here than in most states.

What Is a Roth Conversion?

A Roth conversion moves money from a pre-tax account (traditional IRA, 401(k), 403(b), SEP IRA) to a Roth IRA. You pay ordinary income tax on the converted amount in the year of conversion. After that:

The money grows tax-free inside the Roth IRA
Qualified withdrawals in retirement are completely tax-free
Roth IRAs have no Required Minimum Distributions (RMDs) during your lifetime
Inherited Roth IRAs pass to heirs tax-free

There are no income limits on Roth conversions — anyone can convert, regardless of income. This is different from direct Roth IRA contributions, which have income limits.

The Texas Advantage: No State Income Tax

Texas has no state income tax. This is a significant advantage for Roth conversion planning. In states like California (13.3% top rate), New York (10.9%), or even Louisiana (4.25%), a Roth conversion adds state tax on top of federal tax. In Texas, you pay only federal income tax on the converted amount.

For a Southeast Texas retiree converting $50,000 from a traditional IRA, the tax cost is purely federal — potentially $11,000 at the 22% bracket. A Louisiana resident doing the same conversion would owe an additional $2,125 in state tax. Over a multi-year conversion strategy, this difference compounds significantly.

The Optimal Window: When to Convert

The best time to execute Roth conversions is during years when your taxable income is temporarily lower than it will be in the future. For most Southeast Texas retirees, this window opens between retirement and age 73:

Early retirement years (ages 58–65): If you retire before Social Security and before RMDs, your taxable income may be at its lowest point in decades. This is the prime conversion window.
Before Social Security begins: Once you claim Social Security, up to 85% of your benefit becomes taxable income. Converting before claiming keeps your taxable income lower.
Before RMDs begin (age 73): Required Minimum Distributions from traditional IRAs and 401(k)s are mandatory and taxable. Large RMDs can push you into higher brackets. Converting before age 73 reduces the future RMD burden.
Years with large deductions: High medical expenses, charitable contributions, or business losses can offset conversion income.

How Much to Convert: The Bracket-Filling Strategy

The most common Roth conversion strategy is bracket filling — converting enough each year to use up your current tax bracket without spilling into the next one.

Example: A married couple filing jointly in 2025 with $40,000 in pension income and $30,000 in Social Security (of which $25,500 is taxable) has $65,500 in taxable income. The 22% bracket extends to $201,050 for married filers. They have approximately $135,000 of room in the 22% bracket — they could convert up to that amount and pay only 22% federal tax on the conversion.

In practice, most advisors recommend more conservative conversions — filling to the top of the 22% bracket or even the 24% bracket, depending on the client's situation and projected future rates.

Roth Conversion Mistakes to Avoid

Converting too much in one year: Pushing into a higher bracket, triggering IRMAA Medicare surcharges, or making more of your Social Security taxable can eliminate the benefit of converting.
Paying conversion taxes from the IRA: If you withhold taxes from the converted amount, you lose the compounding benefit of that money. Pay conversion taxes from non-retirement funds if possible.
Ignoring IRMAA thresholds: Medicare Part B and D premiums increase significantly above certain income thresholds. A large Roth conversion can trigger IRMAA surcharges two years later.
Converting without a multi-year plan: A single large conversion is rarely optimal. A systematic multi-year strategy — converting a specific amount each year through the conversion window — typically produces better lifetime tax results.
Not considering the 5-year rule: Roth conversions have a 5-year holding period before converted funds can be withdrawn penalty-free. This matters if you are under 59½ or may need the funds soon.

The Long-Term Impact: Why This Matters

A well-executed Roth conversion strategy over 10–15 years can:

Reduce or eliminate future RMDs, giving you more control over taxable income in your 70s and 80s
Lower the taxable portion of your Social Security benefits
Reduce Medicare IRMAA surcharges in future years
Create a tax-free inheritance for your heirs
Provide tax diversification — having both taxable and tax-free income sources in retirement

For a Southeast Texas retiree with $800,000 in traditional IRA assets, a systematic conversion strategy executed over 10 years could save $40,000–$80,000 in lifetime federal taxes — while also reducing the RMD burden that would otherwise force large taxable withdrawals in their 70s.

Roth Conversion Planning for Beaumont, TX Retirees

Beaumont, TX retirees are in a particularly strong position for Roth conversion planning. Many have spent careers at ExxonMobil, Motiva, or other Jefferson County employers and are entering retirement with substantial traditional 401(k) balances and pension income. The combination of Texas's zero state income tax and the gap years between retirement and RMD age creates a meaningful conversion window. Richard Placette II at MRB Capital Group works with Beaumont families to model multi-year Roth conversion strategies that reduce lifetime tax exposure and create tax-free income for the later years of retirement.