Key Takeaways:
- A Roth conversion can create more tax flexibility in retirement, but the conversion itself generally creates taxable income in the year it occurs.
- New York residents need to consider both federal and state taxes, along with potential effects on Medicare premiums, Social Security taxation, and other income-based thresholds.
- Smaller, multi-year conversions can help manage future RMDs and tax exposure without creating an unnecessarily large tax bill in a single year.
Roth conversions can be a valuable part of retirement tax planning, but they are not automatically a way to “cut taxes.” A conversion means paying tax on money moved from a traditional IRA or other eligible pre-tax account into a Roth IRA today in exchange for potentially more tax-free income and greater flexibility later.
For New York residents, the decision can be more complicated because a conversion can affect both your federal and New York taxable income. Your filing status, other income, future required minimum distributions, Medicare premiums, Social Security benefits, and whether you plan to remain a New York resident can all affect whether a conversion makes sense.
The goal is not necessarily to convert as much as possible. It is to determine whether converting a specific amount, in a specific year, improves your overall retirement plan.
Understanding How Roth Conversions Work
A Roth conversion transfers money from a pre-tax account, such as a traditional IRA or an eligible employer plan, into a Roth IRA. The dollars you convert are treated as ordinary income for that year. After conversion and meeting the rules for qualified withdrawals, future Roth distributions will not be added to taxable income, which can support steadier cash flow.
The amount converted generally becomes part of your federal gross income in the year of the conversion, except for any portion that represents after-tax basis. Required minimum distributions cannot be converted to a Roth IRA. If you are required to take an RMD for the year, that distribution must generally be taken before completing the conversion.
When you convert, your custodian reports the converted amount on the appropriate tax form for that year, and you'll address it on your income tax return. You haven't taken cash out; you've changed the account's tax character from pre-tax to after-tax.
That distinction matters. A Roth conversion is a taxable transaction even when the money never passes through your checking account. You are choosing to recognize income now in exchange for moving those assets into an account that can provide tax-free qualified withdrawals in the future.
Many New Yorkers consider conversions to reduce future required minimum distributions (RMDs), shape multi-source income in retirement, and build a pool for qualified withdrawals without increasing adjusted gross income.
These potential benefits depend on your circumstances. A Roth conversion can reduce the amount remaining in traditional retirement accounts and therefore potentially reduce future RMDs, but it can also increase your taxable income in the conversion year.
Are Roth Conversions Taxable in New York?
A Roth conversion is first reported on your federal return and then flows into your New York tax return.
For a New York resident, you generally need to consider the income recognized from a traditional IRA-to-Roth conversion when calculating New York income as well. That means the conversion can create a New York income tax liability in addition to the federal tax liability.
New York's treatment can differ from federal treatment in certain circumstances, so a state-specific projection matters before converting a substantial amount. If you live in New York City or Yonkers, local income taxes may also need to be included in the analysis.
This is one reason to model a Roth conversion using your actual federal and New York tax situation rather than a simple percentage estimate.
How Much Should You Convert?
The goal isn't necessarily to convert everything. It is to choose an amount that fits your broader tax and retirement plan.
What becomes taxable income
The dollars you convert are generally taxable income for that calendar year, to the extent they represent pre-tax funds.
Pick a ceiling for your tax bracket.
Choose a target tax bracket and convert only up to the amount that makes sense within that range. Smaller, staged conversions can help prevent one unusually large income year.
But don't assume that filling a tax bracket is automatically the right answer. The value of a conversion depends on what you expect your future tax situation to look like and how the additional income affects other parts of your financial plan.
Watch AGI ripple effects.
A higher income year can affect more than your income tax bill.
A Roth conversion can increase modified adjusted gross income used for certain income-based calculations. For Medicare beneficiaries, higher income can lead to higher Medicare premiums through IRMAA. It can also affect the amount of Social Security benefits subject to federal income tax.
For people who receive health insurance through the ACA marketplace before Medicare, a conversion can also affect eligibility for premium tax credits. Include these effects in the projection rather than treating them as an afterthought.
Consider future withdrawals
Conversions aren't excluded today, but New York allows some taxpayers age 59½ and older to exclude up to $20,000 per person of qualifying pension and annuity income from New York taxable income.
Importantly, the exclusion is not a blanket $20,000 exclusion for every type of retirement income. New York's current instructions define which pension and annuity income qualifies, including certain IRA distributions, and apply specific rules based on age and circumstances.
That means you should incorporate the potential New York retirement-income exclusion into a broader withdrawal and conversion strategy rather than treating it as a reason to convert automatically.
When Is the Best Time to Do a Roth Conversion?
Conversion timing can be as important as the amount you choose.
The years between retirement and Social Security
One of the most useful windows for Roth conversions can occur after you stop working but before Social Security, pensions, or RMDs create more taxable income.
If your income temporarily falls during these years, you may have more room to recognize additional income without pushing as far into higher tax brackets.
Before RMDs begin
Converting before required minimum distributions begin can reduce the amount remaining in traditional retirement accounts. That can potentially lower future RMDs and give you more control over where retirement income comes from.
Use Market Downturns
When asset values fall, converting at lower prices can shift more future upside into the Roth.
For example, if a traditional IRA investment falls from $100,000 to $75,000, converting $75,000 rather than $100,000 creates a smaller taxable conversion. If the investment subsequently recovers inside the Roth, that future growth can potentially occur in the Roth rather than the traditional IRA.
This does not mean a market decline automatically makes a conversion appropriate. The tax bill, investment outlook, liquidity, and overall retirement plan still matter.
Anticipate Future Rate Changes and Life Events
Adjust the strategy to account for expected income shifts, relocations, or changes in filing status.
Moving to another state can be particularly important for New York residents. If you are considering leaving New York before retirement, the timing of a conversion may deserve additional analysis because state residency can affect the tax consequences.
Should You Convert Before Moving Out of New York?
If you're planning to leave New York, don't assume that completing a Roth conversion before the move or waiting until after the move will produce the same result.
The timing of a change in residency, the type of income involved, and New York's rules for residents and nonresidents can all affect the analysis. New York has specific rules addressing the state tax treatment of Roth IRA conversions and changes in residency.
For someone who is several years from retirement and considering a move to a lower-tax state, it may be worth modeling conversions under both scenarios before making a large transaction.
This is an area where coordination between your financial advisor and tax professional matters most.
How Roth Conversions Affect RMDs
Many retirees consider Roth conversions to reduce the amount of money held in traditional retirement accounts before RMDs begin.
Traditional IRA owners generally must begin taking RMDs at the applicable age under current law. Roth IRA owners do not have lifetime RMDs during their own lifetimes.
By moving some money from a traditional IRA into a Roth IRA before RMDs begin, you reduce the traditional IRA balance that will eventually be subject to RMD calculations.
That does not eliminate taxes. The conversion creates taxable income now, but it can give you more control over the timing and source of retirement income later.
Can a Roth Conversion Increase Your Medicare Premiums?
A Roth conversion can affect Medicare costs.
Medicare uses income from a prior tax year to determine whether higher-income beneficiaries must pay income-related monthly adjustment amounts, known as IRMAA. Because a Roth conversion can increase your reported income, a large conversion can potentially increase Medicare premiums in a future year.
This is especially important for retirees already enrolled in Medicare or who expect to enroll soon. A conversion that looks attractive when viewed only through the income-tax calculation may look different once you include Medicare premiums.
That is why the question shouldn't simply be, “What tax bracket can I fill?” It should be “What is the total cost of this conversion after considering the other effects?”
Can a Roth Conversion Make More of Your Social Security Taxable?
It can.
The amount of Social Security subject to federal income tax depends in part on your other income. Because a Roth conversion generally increases income in the conversion year, it can increase the taxable portion of your Social Security benefits.
This doesn't necessarily make a conversion a bad idea. It simply means the Social Security effect belongs in the same projection as the conversion rather than being considered separately.
Should You Pay the Roth Conversion Tax From Cash?
Conversions work best when you have a clear plan for paying the tax.
If you have sufficient cash or other taxable assets available, paying the tax from outside the retirement account can let the full conversion amount remain in the Roth.
For example, suppose you convert $100,000 and owe $25,000 in combined federal and state taxes. Using outside cash to pay the tax leaves the full $100,000 invested in the Roth. Withholding the $25,000 from the conversion would leave only $75,000 going into the Roth.
That doesn't mean you should drain your cash reserves simply to maximize a conversion. Liquidity for emergencies, near-term spending, and other goals is still important.
Avoiding Common Roth Conversion Mistakes
Conversions work best when they fit your income profile, filing status, and cash resources. A few pitfalls can undercut the benefit if you don't plan.
Converting Too Much Too Fast
A significant one-time move can push you into a higher tax bracket and increase other income-based costs.
Ignoring Medicare and Social Security Effects
A higher income can affect Medicare premiums and the amount of Social Security subject to federal income tax.
Not Accounting for Estimated Taxes
Conversion income may require additional withholding or estimated tax payments. The IRS notes that taxpayers may need to increase withholding or make estimated payments when a conversion creates additional taxable income.
Converting an RMD
An RMD must generally be taken before the remaining eligible IRA balance can be converted to a Roth IRA. You cannot simply satisfy an RMD by moving that amount directly into a Roth.
Overlooking Long-Term Goals
If estate planning or charitable strategies are on the table, ensure these conversions support these long-term objectives, not just the current year's tax objectives.
Assuming a Roth Conversion Always Saves Taxes
A Roth conversion is a tax-planning strategy, not a guaranteed tax-saving strategy. You are deliberately accelerating taxation on some retirement assets. The potential benefit comes from what happens after the conversion, including future tax rates, investment growth, RMDs, retirement income needs, and estate planning.
Coordinating Roth Conversions With Broader Retirement Planning
A conversion is most effective when it fits your income timeline, investment policy, and cash needs.
Income Sequencing
Decide which accounts you'll draw from first and how conversions fit alongside pensions, brokerage sales, and Roth withdrawals.
Tax Diversification
Maintaining a mix of pre-tax, Roth, and taxable assets allows you to fine-tune which dollars you tap based on your tax situation.
Having several types of accounts can be particularly valuable in retirement because you aren't forced to generate all of your income from one tax source.
Charitable Opportunities
Qualified charitable distributions and other giving strategies can complement your conversion plan to manage reported income while achieving philanthropic goals.
For example, someone who is charitably inclined may use qualified charitable distributions from an IRA for eligible charitable gifts rather than taking additional taxable IRA distributions.
Investment and Risk Alignment
Coordinate conversion size and timing with rebalancing, cash buffers, and your investment policy.
The account you convert matters, too. If the Roth is intended to remain invested for many years, its investment strategy may differ from the assets you expect to use for near-term retirement spending.
Roth Conversions and New York Estate Planning
Roth conversions can also support estate planning.
Tax-Free Legacy for Heirs
Qualified Roth IRA distributions generally aren't included in the beneficiary's federal taxable income. That can make Roth assets attractive as part of a broader legacy strategy.
However, inherited Roth IRAs are still subject to beneficiary distribution rules, so “tax-free to heirs” does not mean there are no planning considerations.
Estate Tax Exposure in New York
Roth conversions can affect your estate's value and composition. For New York residents with larger estates, coordinate the conversion decision with the state's estate tax rules and the rest of the estate plan.
Liquidity Planning
Paying the tax from outside funds rather than from the converted amount can keep more assets inside the Roth.
Blending Roth Strategies With Estate Goals
Coordinate beneficiary designations, trust distribution standards, and conversion pacing with your estate planning goals.
A Roth Conversion Example for a New York Retiree
Consider a hypothetical 62-year-old New York couple who recently retired. They have $1.5 million in traditional retirement accounts, $350,000 in taxable investments, and $100,000 in cash. Their employment income has stopped, but they haven't started Social Security yet.
Instead of automatically converting a large portion of the $1.5 million, they could model several smaller annual conversions.
The analysis would consider their projected taxable income, available tax brackets, New York taxes, Medicare timing, Social Security start date, future RMDs, cash available to pay taxes, and how long the Roth assets could remain invested.
The objective isn't to find a single “perfect” conversion amount. It is to determine how much they can reasonably convert each year while keeping the overall retirement plan on track.
Roth Conversions in New York FAQs
1. Are Roth conversions taxed in New York?
Generally, New York residents must consider the taxable portion of a Roth conversion when determining New York income, in addition to the federal tax consequences. State-specific rules and available exclusions should be reviewed with your tax professional.
2. Can I do a partial Roth conversion?
Yes. You can convert part of an eligible traditional IRA or other eligible retirement account rather than converting the entire balance. Staging conversions across multiple years can give you more control over taxable income.
3. Do Roth conversions affect Social Security or Medicare costs?
They can. A higher income from a conversion may increase the portion of Social Security that is taxable and may affect Medicare premiums through IRMAA.
4. When is the best time to do a Roth conversion?
There isn't one universally best time. Potential opportunities include lower-income years after retirement, before Social Security and RMDs begin, and years when market values have declined.
5. Do Roth conversions reduce RMDs?
Yes. Converting money from a traditional IRA to a Roth IRA reduces the amount remaining in the traditional IRA and can therefore reduce future RMDs.
6. Can I convert my RMD to a Roth IRA?
No. An RMD must generally be taken before the remaining eligible IRA balance can be converted to a Roth.
7. Should I pay Roth conversion taxes from my IRA?
Often, paying the tax from funds outside the IRA leaves more money invested in the Roth. But preserving adequate cash reserves matters, so evaluate the decision within your complete retirement plan.
8. Should I do a Roth conversion before moving out of New York?
Possibly, but the answer depends on your timing, residency, income, and plans. If you're considering leaving New York, model the conversion under both scenarios before making a large transaction.
9. Does New York have a retirement income tax exclusion?
Yes. New York allows eligible taxpayers age 59½ and older to exclude up to $20,000 of qualifying pension and annuity income from New York taxable income. The rules specify which income qualifies, so you shouldn't assume the exclusion applies to every retirement distribution or conversion.
10. Do Roth conversions make sense after retirement?
They can. The years after retirement, before RMDs and other income sources increase, can offer an opportunity to evaluate conversions. Whether they make sense depends on your current and expected future tax situation.
How We Help New Yorkers Evaluate Roth Conversions
We begin with precise projections that display the federal and New York impacts side by side. You'll see how a conversion aligns with your cash needs, bracket targets, and filing profile, and how it coordinates with IRA contributions and a tailored, multi-year Roth conversion strategy.
We also look beyond the tax return. A conversion can affect Medicare premiums, Social Security taxation, RMDs, retirement income, investment allocation, and estate planning. Those pieces need to work together before you decide how much to convert.
The process should answer a few practical questions:
How much can I convert without creating an unnecessary tax spike?
How will the conversion affect my New York taxes?
How will I pay the tax?
What happens to my future RMDs?
Could the conversion affect Medicare or Social Security?
What if I move out of New York?
How does the decision fit with my estate plan?
Roth conversions are most useful when they are treated as part of an ongoing retirement tax strategy rather than a one-time transaction. The appropriate amount can change from year to year as your income, investments, tax laws, and retirement goals change.
A financial advisory relationship is a two-way street. We want to make sure you’re a good fit for our firm and, on the other hand, that we provide exactly what you’re looking for. Check out our “Who We Serve” page to see if we’re a good fit.
Important Disclosures:
This material was created to provide accurate and reliable information on the subjects covered but should not be regarded as a complete analysis of these subjects. It is not intended to provide specific legal, tax or other professional advice. The services of an appropriate professional should be sought regarding your individual situation.
Traditional IRA account owners have considerations to make before performing a Roth IRA conversion. These primarily include income tax consequences on the converted amount in the year of conversion, withdrawal limitations from a Roth IRA, and income limitations for future contributions to a Roth IRA. In addition, if you are required to take a required minimum distribution (RMD) in the year you convert, you must do so before converting to a Roth IRA.
John Gigliello, CFP®
John Gigliello, CFP®, is a fee-based fiduciary financial planner in Albany, NY, serving individuals age 50+ with comprehensive planning and investment management, centered around proactive and advanced tax planning. John earned a Certificate in Financial Planning from Boston University and, more recently, successfully completed the rigorous CFP® Certification examination to become a CERTIFIED FINANCIAL PLANNER® professional. John earned the Accredited Investment Fiduciary® Designation from the Center for Fiduciary Studies®, the standards-setting body for Fi360. The AIF® designation signifies specialized knowledge of fiduciary responsibility and the ability to implement policies and procedures that meet a defined standard of care. John currently serves on the Albany County Investment Advisory Board, having been appointed by a unanimous vote of the County Legislature in January 2019. In this position, John advises the county on a strategy for making the best use of money available for investment.
Certified Financial Planner Board of Standards Center for Financial Planning, Inc. owns and licenses the certification marks CFP® and CERTIFIED FINANCIAL PLANNER®, in the United States to Certified Financial Planner Board of Standards, Inc., which authorizes individuals who successfully complete the organization’s initial and ongoing certification requirements to use the certification marks.