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, the taxation of your Social Security, your Medicare premiums, and the 3.8% net investment income tax.
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 long-term capital gains rate (Source: IRS Publication 590-A, 2025). It is not earned income, so no FICA payroll tax applies, but it raises AGI and MAGI, which affect the taxation of Social Security, the 2026 Medicare Part B premium of $202.90, and IRMAA.
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 confirms this 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). The custodian reports it on Form 1099-R.
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Ordinary income means the converted amount is taxed at your marginal bracket, the same schedule as wages and pensions, not the lower long-term capital gains rates. There is no minimum or maximum on how much you can convert, the conversion is irreversible, and it must be completed by December 31 to count for that tax year, per the Q3 Advisors Roth conversion deadline page.
| Does a Roth conversion count as this? | Answer | Why |
|---|---|---|
| Ordinary taxable income the year you convert | Yes | Pretax amount included in gross income (IRS Pub 590-A) |
| Long-term capital gain | No | Taxed at marginal ordinary rates, not 0/15/20% |
| Earned income or compensation | No | It is a distribution, not pay for work |
| Subject to FICA payroll tax | No | Not wages, so no Social Security or Medicare tax |
| Part of AGI and MAGI | Yes | Raises the figures that drive income-tested rules |
| Counted under the Social Security earnings test | No | Only wages and self-employment count (SSA) |
| Net investment income for the 3.8% NIIT | No | Not NII, but raises MAGI (IRS Pub 590-B) |
How much of a Roth conversion is added to your income?
The full pretax amount converted is added to your taxable income that year, stacking on your other income. If the IRA holds only deductible contributions and pretax growth, 100% 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.
A common example makes the stacking clear: with $90,000 of salary and a $60,000 conversion from an all-pretax IRA, income before deductions becomes $150,000. That amount flows into your AGI and MAGI, the figures that govern the income-tested rules below (Source: IRS Publication 590-B, 2025). Because a large conversion can span several brackets, the effective rate is often a blend of several bracket rates.
The pro-rata rule and Form 8606 basis recovery
If you made nondeductible (after-tax) contributions to any traditional IRA, you cannot convert only that basis. The pro-rata rule aggregates all your traditional, SEP, and SIMPLE IRA balances and treats each conversion as a proportional mix of pretax and after-tax dollars; only the pretax portion is taxable (Source: IRS Publication 590-B, 2025; Form 8606 instructions).
For example, if $14,000 of a $140,000 combined balance is after-tax basis, then 10% of any conversion is tax-free and 90% is taxable. You report the split on IRS Form 8606, which carries remaining basis forward; a missing Form 8606 is a frequent cause of paying tax twice on the same dollars.
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. Only 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 Rev. Proc. 2025-32). The 2026 ordinary-income brackets are below.
| 2026 marginal rate | Single taxable income | Married filing jointly taxable income |
|---|---|---|
| 10% | $0 to $12,400 | $0 to $24,800 |
| 12% | $12,400 to $50,400 | $24,800 to $100,800 |
| 22% | $50,400 to $105,700 | $100,800 to $211,400 |
| 24% | $105,700 to $201,775 | $211,400 to $403,550 |
| 32% | $201,775 to $256,225 | $403,550 to $512,450 |
| 35% | $256,225 to $640,600 | $512,450 to $768,700 |
| 37% | Over $640,600 | Over $768,700 |
Source: IRS Rev. Proc. 2025-32. Brackets apply to taxable income, which is income after the 2026 standard deduction of $16,100 single and $32,200 married filing jointly.
The rules allow spreading conversions across years, converting only enough each year to “fill” a target bracket without spilling into the next. This timing depends on your other income, deductions, and filing status. Because the size and timing of a Roth conversion set how much income lands in each bracket, the bracket math often drives when and how much people convert. This is background education, not a recommendation.
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” earned from working supports an IRA contribution, and conversions are excluded from that definition (Source: IRS Publication 590-A, 2025). No Social Security or Medicare payroll tax (FICA) applies, because it is not wages.
This matters for the Social Security retirement earnings test, which counts only wages and net self-employment earnings, not pensions, investment income, or capital gains (Source: SSA Handbook 1812). A conversion does not reduce benefits under that test; the 2026 earnings-test limit below full retirement age is $24,480. A conversion also does not count against the Roth IRA contribution income limit, a separate 2026 MAGI phase-out of $153,000 to $168,000 single and $242,000 to $252,000 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 benefit, 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 conversion income, pensions, wages, interest, and dividends (Source: IRS Publication 915, 2025). The thresholds are set by statute and not indexed for inflation.
| Filing status | Up to 50% of benefits taxable above | Up to 85% taxable above |
|---|---|---|
| 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 when added income makes previously untaxed Social Security benefits taxable, so a dollar of conversion can create more than a dollar of taxable income. For a hypothetical retiree in the 85% tier, a $10,000 conversion adds the $10,000 itself and can make up to $8,500 (85% of $10,000) of benefits newly taxable, for up to $18,500 of additional taxable income (illustrative math based on IRS Publication 915, 2025).
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, based on 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). The 2026 standard Part B premium is $202.90 per month (Source: CMS 2026 Parts A and B fact sheet).
| 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). IRMAA is a cliff, so crossing a tier by one dollar moves you to the full higher premium, plus a matching Part D surcharge.
Because of the two-year lookback, the last conversion year that cannot affect a future IRMAA premium is age 62, so many people weigh a planned conversion against the IRMAA tiers two years out.
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).
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 single, $250,000 married filing jointly, and $125,000 married filing separately (Source: IRS Form 8960 instructions). Because a conversion raises MAGI, it can push you over that threshold and expose your other investment income (interest, dividends, capital gains, rents) to the 3.8% tax, an interaction detailed on the Q3 Advisors 2026 net investment income tax page.
Does a Roth conversion count as income for state taxes?
Usually yes. Most of the 41 states with a broad income tax treat a Roth conversion as taxable ordinary income in the year you convert, and the state rate stacks on top of the federal tax. This point is largely absent from other guides, yet it can change the after-tax result.
Nine states levy no broad income tax, so a conversion completed while you are a resident there generally carries no state tax: Alaska, Florida, Nevada, New Hampshire, South Dakota, Tennessee, Texas, Washington, and Wyoming. A few income-tax states, such as Illinois, Mississippi, and Pennsylvania, generally exempt qualified retirement plan distributions, though rules and age conditions vary. The treatment is worth confirming with your own state.
The withholding trap when paying the tax before age 59.5
If you are under age 59.5, using IRA money withheld to pay the conversion tax can be costly. Federal tax withheld is treated as an amount distributed but not converted, so it can face the 10% additional tax on early distributions and never reaches the Roth (Source: IRS Publication 590-B, 2025; IRS Tax Topic 557).
For that reason, many investors under 59.5 pay the conversion tax from non-retirement (taxable) funds so the full pretax amount lands in the Roth and no early-distribution tax applies. Whether that fits depends on your available cash, part of the Roth conversion break-even question.
Other income-tested items a conversion can affect
Because a Roth conversion raises AGI and MAGI, it can reach other income-tested items beyond the effects above, each with its own thresholds. The clearest additional example is the ACA premium tax credit: taxable conversion income sits in AGI, so a conversion can shrink or eliminate the credit for that year (Source: 26 U.S.C. 36B). Medicare IRMAA, the taxation of Social Security benefits, and state income tax, all covered above, respond the same way.
The 5-year rule and the age question
The 10% early-distribution tax does not apply to the conversion itself, but a separate five-year clock applies to the converted dollars. If you withdraw converted amounts within five years and are under 59.5, the 10% additional tax can be recaptured even though you already paid income tax on the conversion (Source: IRS Publication 590-B, 2025). Each conversion starts its own five-year period.
There is no maximum age for a Roth conversion. On required minimum distributions (RMDs): they begin at age 73, rising to 75 for those born in 1960 or later, an RMD cannot be converted, and it must be taken before any conversion that year (Source: IRS Publication 590-B, 2025), as covered on the Q3 Advisors 2026 required minimum distributions page.
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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).
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 count as income for Social Security?
It depends on which 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).
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, a required minimum distribution cannot be converted and must be taken before any conversion that year (Source: IRS Publication 590-B, 2025).
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.
Does a Roth conversion affect 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).
Sources
IRS Publication 590-A (2025); IRS Publication 590-B (2025); IRS Form 8606 instructions; IRS Publication 915 (2025); IRS Form 8960 instructions (Net Investment Income Tax); IRS Tax Topic 557; IRS Notice 2025-67 (2026 retirement plan limits); IRS Rev. Proc. 2025-32 (2026 inflation adjustments); SSA Handbook 1812 and “Receiving Benefits While Working”; SSA POMS HI 01101.020 (2026 IRMAA); CMS 2026 Medicare Parts A and B fact sheet; 26 U.S.C. 36B (premium tax credit).
