Does a Roth conversion count as income? Yes. The pretax amount you move from a traditional IRA into a Roth IRA is treated as ordinary income in the year you convert, and that single fact ripples into your tax bracket, Social Security taxation, and Medicare premiums.
Yes. A Roth conversion counts as ordinary income in the year you convert. The pretax amount moved to a Roth IRA is included in gross income and taxed at your marginal rate, not the capital gains rate (Source: IRS Publication 590-A, 2025). It is not earned income, so no payroll tax applies, but it raises MAGI, which feeds 2026 figures such as the $202.90 standard Medicare Part B premium (Source: CMS, 2026).
Does a Roth conversion count as income for tax purposes?
Yes. A conversion from a traditional IRA is included in gross income and taxed as ordinary income in the year you receive the distribution. The IRS treats the move as a rollover for Roth purposes, but that treatment “isn’t an exception to the rule that distributions from a traditional IRA are taxable in the year you receive them” (Source: IRS Publication 590-A, 2025).
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Ordinary income means the converted amount is taxed at your marginal bracket, the same schedule that applies to wages and pension income. It is not taxed at the lower long-term capital gains rates, even though the IRA may hold appreciated investments.
If you made nondeductible contributions to the traditional IRA, only the pretax portion is taxable. Your basis is recovered pro-rata across all your traditional IRA balances and reported on IRS Form 8606 (Source: IRS Publication 590-B, 2025; Form 8606 instructions). The custodian reports the distribution to you and the IRS on Form 1099-R.
How much of a Roth conversion is added to your income?
The full pretax amount converted is added to your taxable income for that year. If the entire traditional IRA was funded with deductible contributions and pretax growth, 100% of the conversion is includible in gross income (Source: IRS Publication 590-A, 2025). Only after-tax basis, tracked on Form 8606, escapes a second round of tax.
That converted amount stacks on top of your other income. It is added to your adjusted gross income (AGI) and flows into modified adjusted gross income (MAGI), the figure that governs several income-tested rules discussed below (Source: IRS Publication 590-B, 2025).
The tax you owe depends on the marginal brackets the conversion falls into. The 2026 ordinary-income brackets sit on top of a standard deduction of $32,200 for married filing jointly, $16,100 for single and married filing separately, and $24,150 for head of household (Source: IRS Rev. Proc. 2025-32). Because a large conversion can span several brackets, the effective rate on the conversion is often a blend of rates rather than a single number.
Can a Roth conversion push you into a higher tax bracket?
Yes. Because the converted amount is added to ordinary income, a large conversion can move part of your income into a higher marginal bracket for that year. The dollars that cross a bracket line are taxed at the higher rate, while income below the line stays at the lower rate (Source: IRS Publication 590-A, 2025; IRS Rev. Proc. 2025-32).
One approach the rules allow is to spread conversions across several tax years, converting only enough each year to “fill” a target bracket without spilling into the next one. This partial-conversion method is a timing decision, and its effect depends on your other income, deductions, and filing status in each year.
Because the size and timing of a Roth conversion determine how much income lands in each bracket, the bracket math often drives when and how much people choose to convert. This is background education, not a recommendation for any individual.
Does a Roth conversion count as earned income?
No. A Roth conversion is a distribution, not compensation for work, so it is not earned income. Only “compensation,” meaning amounts earned from working, supports an IRA contribution, and distributions and conversions are excluded from that definition (Source: IRS Publication 590-A, 2025, “What Is Compensation”). No Social Security or Medicare payroll tax (FICA) is owed on a conversion, because it is not wages.
This distinction matters for the Social Security retirement earnings test. The Social Security Administration counts only wages from a job or net earnings from self-employment. It “does not count pensions, annuities, investment income, interest,” or capital gains (Source: SSA, “Receiving Benefits While Working”; SSA Handbook 1812). An IRA distribution or Roth conversion is not wages, so it does not reduce benefits under the earnings test. For reference, the 2026 earnings-test limit below full retirement age is $24,480 per year (Source: SSA, 2026).
A conversion also does not count toward the compensation you need to make a Roth IRA contribution, and it does not count against the Roth IRA contribution income limit. The 2026 Roth IRA MAGI phase-out is $153,000 to $168,000 for single filers and $242,000 to $252,000 for married filing jointly (Source: IRS Notice 2025-67).
Does a Roth conversion count as income for Social Security taxation?
Yes, indirectly. A conversion does not reduce your benefits, but it raises the “provisional income” that decides how much of your Social Security benefit is taxed. Provisional income equals one-half of your Social Security benefits plus other income, including IRA and conversion income, pensions, wages, interest, dividends, and capital gains (Source: IRS Publication 915, 2025).
The thresholds are fixed by statute and are not indexed for inflation, so they have not moved since the 1980s and 1990s.
| Filing status | Up to 50% of benefits taxable when provisional income exceeds | Up to 85% taxable when it exceeds |
|---|---|---|
| Single, head of household, qualifying surviving spouse | $25,000 | $34,000 |
| Married filing jointly | $32,000 | $44,000 |
Source: IRS Publication 915 (2025). Percentages are the share of benefits subject to tax, not a tax rate.
A worked example of the Social Security tax torpedo
The “tax torpedo” is what happens when added income makes previously untaxed Social Security benefits taxable, so a dollar of conversion can create more than a dollar of taxable income. The effect appears when a conversion raises provisional income within the range where up to 85% of benefits become taxable. A short illustration follows.
Consider a hypothetical retiree already in the range where the 85% tier applies. A $10,000 conversion adds the $10,000 itself, and because it also raises provisional income, it can make up to $8,500 (85% of $10,000) of Social Security benefits newly taxable. The result can be up to $18,500 of additional taxable income from a $10,000 conversion (illustrative math based on IRS Publication 915, 2025). The exact figure depends on your benefit amount and where you sit in the thresholds. Q3 Advisors covers this mechanic in more depth on its Social Security tax torpedo page.
Does a Roth conversion affect Medicare premiums (IRMAA)?
Yes, on a two-year delay. Medicare uses the Income-Related Monthly Adjustment Amount (IRMAA) to raise Part B and Part D premiums for higher-income beneficiaries, and it looks at MAGI from two years prior. Because a conversion raises MAGI, a conversion done in 2026 can lift your 2028 IRMAA tier (Source: SSA POMS HI 01101.020; SSA Medicare premiums page).
For 2026, IRMAA is based on your 2024 tax return (or 2023 if 2024 is unavailable). The 2026 standard Part B premium is $202.90 per month, up from $185.00 in 2025 (Source: CMS 2026 Parts A and B fact sheet; Federal Register 2025-20251).
| 2026 MAGI, single | 2026 MAGI, married filing jointly | Monthly Part B premium |
|---|---|---|
| $109,000 or less | $218,000 or less | $202.90 |
| Over $109,000 to $137,000 | Over $218,000 to $274,000 | $284.10 |
| Over $137,000 to $171,000 | Over $274,000 to $342,000 | $405.80 |
| Over $171,000 to $205,000 | Over $342,000 to $410,000 | $527.50 |
| Over $205,000 to under $500,000 | Over $410,000 to under $750,000 | $649.20 |
| $500,000 or more | $750,000 or more | $689.90 |
Source: SSA POMS HI 01101.020 (2026). Married filing separately generally uses the single-filer thresholds through the upper tiers, plus a Part D surcharge. Because IRMAA is a cliff, crossing a tier by a single dollar moves you to the full higher premium.
Q3 Advisors maintains a fuller breakdown on its 2026 Medicare IRMAA brackets page. The two-year lookback is why many people examine a planned conversion against the IRMAA tiers that will apply two years later.
Does a Roth conversion count as income for the 3.8% NIIT?
Not directly, but it can trigger the tax on your other income. A Roth conversion is not itself net investment income. The IRS states that “net investment income doesn’t include distributions from” qualified plans “or IRAs. However, these distributions are taken into account when determining the modified adjusted gross income threshold” (Source: IRS Publication 590-B, 2025, Reminders).
The Net Investment Income Tax (NIIT) is 3.8% on the lesser of your net investment income or the amount by which MAGI exceeds a fixed threshold: $200,000 for single and head of household, $250,000 for married filing jointly, and $125,000 for married filing separately (Source: IRS Net Investment Income Tax page; Form 8960). These thresholds are not indexed for inflation.
Net investment income includes interest, dividends, capital gains, rental and royalty income, and nonqualified annuities. So while the conversion escapes NIIT on itself, it can push your MAGI over the threshold and cause your other investment income to be hit with the 3.8% tax. Q3 Advisors details the interaction on its 2026 NIIT page.
Other income-tested items a conversion can affect
Because a Roth conversion raises AGI and MAGI, it can reduce or eliminate benefits and credits tied to income, beyond the tax on the conversion itself. The reach depends on your circumstances, filing status, and the specific program, since each income-tested item uses its own definition of income and its own thresholds. The most common items appear below.
- ACA premium tax credit. The premium tax credit uses MAGI, defined as AGI increased by excluded foreign earned income, tax-exempt interest, and untaxed Social Security benefits. Taxable conversion income sits in AGI, so it raises household income and can shrink or wipe out the credit (Source: 26 U.S.C. 36B; 26 CFR 1.36B-1(e); IRS Premium Tax Credit Q&A).
- Medicare IRMAA surcharges on Part B and Part D, two years later, as described above (Source: SSA POMS HI 01101.020, 2026).
- Taxation of Social Security benefits through higher provisional income (Source: IRS Publication 915, 2025).
The 5-year rule and the age question
The 10% early-distribution tax does not apply to the conversion transaction itself, but a separate five-year clock applies to the converted dollars. If you withdraw converted amounts from the Roth within five years, the 10% additional tax can be recaptured, even though you already paid income tax on the conversion (Source: IRS Publication 590-B, 2025; IRS Tax Topic 557). Each conversion starts its own five-year period.
There is no maximum age for a Roth conversion. The rules do not cut off conversions at a certain birthday. A common planning note involves required minimum distributions (RMDs): RMDs currently begin at age 73 (rising to 75 for those born in 1960 or later), an RMD cannot itself be converted, and the RMD must be taken before any conversion in that year (Source: IRS Publication 590-B, 2025). Q3 Advisors covers the mechanics on its 2026 required minimum distributions page.
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Q3 Advisors is a registered investment adviser focused on retirement tax planning. This article is educational and is not advice; for guidance on your own circumstances, consult a qualified tax or financial professional.
Frequently asked questions
Do Roth conversions count as earned income?
No. A Roth conversion is a distribution, not compensation for work, so it is not earned income and carries no Social Security or Medicare payroll tax (FICA). It is taxed as ordinary income, but it does not count as the compensation you need to make an IRA contribution (Source: IRS Publication 590-A, 2025).
Does a Roth conversion count as income for Social Security?
It depends on which Social Security rule. It does not count as wages under the retirement earnings test, so it will not reduce your benefit (Source: SSA Handbook 1812). It does raise provisional income, which can make more of your Social Security benefit taxable, up to 85% of it (Source: IRS Publication 915, 2025).
How do I avoid paying taxes on a Roth conversion?
Taxes on the pretax amount generally cannot be avoided; the conversion is includible in gross income the year you convert (Source: IRS Publication 590-A, 2025). The rules do allow approaches that manage the amount taxed, such as converting only after-tax basis tracked on Form 8606, or spreading partial conversions across years. Individual results depend on your full tax picture.
Does a Roth conversion affect my Medicare premiums?
It can, two years later. Medicare IRMAA uses MAGI from two years prior, so a 2026 conversion can raise your 2028 Part B and Part D premiums if it pushes MAGI into a higher tier. The 2026 standard Part B premium is $202.90 per month, and surcharges rise in cliffs from there (Source: SSA POMS HI 01101.020; CMS, 2026).
How much tax will I pay on a Roth conversion?
The pretax converted amount is taxed at your marginal ordinary-income rate, so a large conversion can span several 2026 brackets and be taxed at a blended rate (Source: IRS Rev. Proc. 2025-32). Secondary effects, such as more Social Security benefits becoming taxable or NIIT on other income, can raise the total. The exact figure depends on your other income and deductions.
At what age can you no longer do a Roth conversion?
There is no upper age limit on Roth conversions. You can convert at any age. If you are age 73 or older, note that a required minimum distribution cannot be converted and must be taken before any conversion that year (Source: IRS Publication 590-B, 2025).
Does a Roth conversion count toward the income limit for contributing to a Roth IRA?
No. Converted amounts are not treated as contributions and do not count against the Roth IRA contribution income limit. For 2026, that separate MAGI phase-out is $153,000 to $168,000 for single filers and $242,000 to $252,000 for married filing jointly (Source: IRS Notice 2025-67).
Do you pay Social Security tax on a Roth conversion?
No. A conversion is not earned wages, so no Social Security or Medicare payroll tax (FICA) is owed on it (Source: IRS Publication 590-A, 2025). The conversion is still subject to federal income tax as ordinary income, and it can indirectly make more of your Social Security benefit taxable through higher provisional income (Source: IRS Publication 915, 2025).
Sources
IRS Publication 590-A (2025), Contributions to Individual Retirement Arrangements. IRS Publication 590-B (2025), Distributions from Individual Retirement Arrangements. IRS Form 8606 instructions. IRS Publication 915 (2025), Social Security and Equivalent Railroad Retirement Benefits. IRS Net Investment Income Tax page and Form 8960. IRS Tax Topic 557. IRS Notice 2025-67 (2026 retirement plan limits). IRS Rev. Proc. 2025-32 (2026 inflation adjustments). SSA “Receiving Benefits While Working” and SSA Handbook 1812. SSA POMS HI 01101.020 (2026 IRMAA). CMS 2026 Medicare Parts A and B fact sheet and Federal Register 2025-20251. 26 U.S.C. 36B and 26 CFR 1.36B-1(e); IRS Premium Tax Credit Q&A.
