A 65-Year-Old Couple With $380,000 Can Convert $47,500 This Year at $0 Federal Tax. The Average Couple Converts $0 and Pays Tax on Every Dollar at 73
Most couples near retirement sit on a growing tax bill without realizing the window to shrink it quietly closes in 2028. The math behind one overlooked strategy reveals just how wide that gap can get.
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We see how a Roth conversion works for a married couple in 2026, starting at age 65. It uses a hypothetical $380,000 traditional IRA and the IRS figures for the current tax year. The question is how much pre-tax money can move into a Roth account before any federal income tax applies, and what happens to households that leave the balance alone until required withdrawals begin.
Where a $380,000 Balance Sits Among Couples Near Retirement
The Federal Reserve’s 2022 Survey of Consumer Finances sets the average retirement account balance for households aged 65 to 74 at $609,230. The median is $200,000, so a $380,000 balance sits well above the typical household in this age group but below the average.
How $47,500 Can Be Converted With No Federal Tax in 2026
A Roth conversion counts as ordinary income. For tax year 2026, the standard deduction for married couples filing jointly is $32,200, and each spouse aged 65 or older adds $1,650.The One Big Beautiful Bill Act was signed in July 2025, and it created a senior deduction of $6,000 per person aged 65 or older for tax years 2025 to 2028. It phases out for joint filers with modified adjusted gross income above $150,000. This couple stays well below that threshold.
Combined, the standard deduction, two age-65 amounts, and two senior deductions total $47,500. A conversion of that size leaves $0 of taxable income and $0 federal tax if the couple has no other taxable income in 2026. This typically fits a retired couple living on cash or taxable brokerage accounts who has not yet claimed Social Security.
Once those deductions are used up, the same income faces higher tax rates. For joint filers in 2026, the 10% bracket covers the first $24,800 of taxable income and the 12% bracket applies above that. At those rates, $47,500 of taxable income results in a federal tax bill of $5,204.
Leaving the Balance Alone Ends in Required Withdrawals
The alternative is leaving the entire balance in the traditional IRA until required withdrawals begin. Under SECURE 2.0, account owners born between 1951 and 1959 must start required minimum distributions (RMDs) at age 73. A couple turning 65 in 2026 was born in 1961. People born in 1960 or later start RMDs at 75.
At 73, the IRS distribution period is 26.5 years. For a $380,000 balance, the first-year RMD is about $14,340. The full withdrawal is subject to regular income tax. By that age, Social Security has usually started, and the taxable share of those benefits uses up part of the deductions available at 65.
Morningstar recently reported on RMD mistakes that could increase retirees’ tax bills. Older Vanguard research found that 20% of account holders who take RMDs deposit the money into taxable accounts, even though they must withdraw it.
A Three-Year Window Before the Senior Deduction Expires
The full $47,500 of deductions depends on the senior deduction, which expires after 2028. After one conversion of that size, the balance drops to $332,500 before investment growth. Converting the same amount in 2027 and 2028 would leave about $237,500 in the traditional IRA by age 68.
Roth IRAs have no RMDs for the original owner, and qualified withdrawals are tax-free. That quiet stretch runs from the last paycheck to the first required withdrawal. Our free guide covers the Roth window.
Other factors affect the analysis. State income tax is separate. Conversions raise modified adjusted gross income, which can increase Medicare premiums and the taxable portion of Social Security, and the couple also needs cash outside the IRA to cover living expenses during conversion years.
How the Two Paths Compare
At 65, the couple has $47,500 of deductions for 2026 that go unused if taxable income remains near zero. Unused deductions do not carry forward. Converting nothing keeps the full pre-tax balance. Required withdrawals start at 73 or 75, taxed at ordinary rates on top of Social Security income. The largest conversion opportunities come before claiming Social Security. They are especially strong through 2028 and are the lowest-cost option for a household at this savings level.
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David Beren has been a Flywheel Publishing contributor since 2022. Writing for 24/7 Wall St. since 2023, David loves to write about topics of all shapes and sizes. As a technology expert, David focuses heavily on consumer electronics brands, automobiles, and general technology. He has previously written for LifeWire, formerly About.com. As a part-time freelance writer, David’s “day job” has been working on and leading social media for multiple Fortune 100 brands. David loves the flexibility of this field and its ability to reach customers exactly where they like to spend their time. Additionally, David previously published his own blog, TmoNews.com, which reached 3 million readers in its first year. In addition to freelance and social media work, David loves to spend time with his family and children and relive the glory days of video game consoles by playing any retro game console he can get his hands on.
