Why Some Financial Advisors
Say No to Roth Conversions
They're not wrong to hesitate, but the objection is often misapplied. Here's what advisors are actually weighing, and why a lifetime tax analysis usually tells a different story.
If an advisor has been hesitant about Roth conversions, that does not automatically mean the advice was bad. But it does mean you should understand what they are reacting to. In many cases, the hesitation comes from evaluating Roth conversions as a current-year tax cost instead of a long-term tax management decision. And those two frames often produce very different answers.
But the reasons behind that hesitation are worth understanding. Because the most common objections to Roth conversions are based on present-year tax thinking, not on the kind of lifetime tax analysis that typically drives the real answer.
The Standard Objection and Why It's Incomplete
The most familiar pushback sounds something like this: "You're in the 22% bracket now. If you convert, you'll pay taxes on that money today. Why would you do that if your rate might be lower in retirement?"
It's a reasonable starting point. But it treats Roth conversion timing as a current-year tax event rather than a multi-decade tax management decision.
Here's what that framing misses: the IRA balance you're not converting today is still going to be taxed. The question isn't whether it gets taxed, it's when, at what rate, and under what circumstances. In many cases, the conditions waiting on the other side of retirement are considerably more expensive than the ones you face right now.
The goal of Roth conversion planning isn't to minimize this year's tax bill. It's to reduce the total taxes paid across your lifetime, including what your heirs will owe.
Where Precise Modeling Changes the Outcome
The reason Roth conversion analysis is so frequently mishandled, by advisors and do-it-yourself planners alike, is that it requires evaluating multiple overlapping systems simultaneously: tax brackets, RMD schedules, Social Security provisional income, Medicare IRMAA thresholds, and estate distribution rules. Most general-purpose planning tools weren't designed to do this in an integrated, multi-year way.
Our firm uses RothEdge, a planning framework built specifically for this kind of multi-variable Roth conversion analysis. Rather than asking "is a Roth conversion good or bad this year," RothEdge models the full trajectory, projecting what your retirement income stack looks like at age 73, 78, and beyond, identifying which bracket tiers offer the most favorable long-term arbitrage, and calculating the Medicare premium impact across conversion and post-conversion years.
What that level of modeling consistently reveals is that the conversion question is less about predicting whether tax rates will rise or fall, and more about controlling when and how your tax-deferred income becomes taxable. With that precision, it's often possible to structure a multi-year phased conversion strategy that preserves your original IRA principal value while meaningfully reducing lifetime tax exposure.
The Forces That Drive Future Tax Rates Higher
Most pre-retirees assume their tax rate will drop in retirement. For some, it does. But several forces work against that assumption and they often arrive at the same time.
- Required Minimum Distributions (RMDs) — Mandatory withdrawals beginning at age 73 can push income into higher brackets whether you need the money or not.
- Social Security taxation — Up to 85% of your Social Security benefit becomes taxable once combined income crosses federal thresholds, adding a layer of effective taxation most retirees underestimate.
- Medicare IRMAA surcharges — Higher income triggers premium surcharges that function as an additional marginal tax rate, often surprising retirees who didn't plan for them.
- The widow's penalty — When one spouse passes, the survivor files as single. Tax brackets compress significantly. The same income taxed at 22% for a couple may face 32% or higher for the survivor alone.
- Loss of deductions — Pensions, RMDs, and Social Security are all taxed as ordinary income, with few offsetting deductions available in retirement.
None of these forces are hypothetical. They're structural features of how the tax code interacts with retirement income. For households with $500,000 or more in pre-tax retirement accounts, future tax risk is often materially higher than clients, or their advisors, have projected.
When an Advisor's "No" Is Actually Correct
To be fair, there are situations where a Roth conversion genuinely doesn't make sense. If retirement spending already exceeds projected RMDs, if conversion taxes aren't projected properly, or if health circumstances meaningfully shorten the planning horizon, the calculus changes.
Advisors who identify those situations and decline to recommend conversions are doing their job well. The concern arises when the objection isn't based on actual modeling, when it's a reflexive "your bracket will be lower in retirement" without ever running the numbers on what that bracket actually looks like once RMDs, Social Security, and Medicare costs are layered in together.
The Roth Conversion Timing Window
One of the most critical and underappreciated concepts in retirement tax planning is the Roth conversion timing window, the years between retirement and when RMDs begin and Social Security is fully claimed.
During this window, taxable income is often at its lowest point in the final decades of life. Conversions completed now fill lower brackets at today's rates rather than being forced into higher brackets later by mandatory distributions you cannot control. Once RMDs begin, conversion efficiency typically declines not because conversions become impossible, but because the income stack is already elevated.
The window is real, but it isn't permanent. For most households, it spans between three and fifteen years depending on age, retirement timing, and Social Security decisions. The compounding cost of waiting, both in account growth and in narrowing options, makes Roth opportunity a time-sensitive planning consideration.
Whether a Roth conversion is right for you and how significant the opportunity actually is, depends entirely on your specific numbers. Age, IRA balance, tax bracket, Social Security timing, RMD exposure, and Medicare status all interact in ways that require personalized analysis, not a general rule. The tool below gives you an instant read on where you stand.
What This Means for You
The relevant question is not whether advisors are right to be cautious. The relevant question is whether your advisor has actually modeled the variables that drive the answer in your case. A Roth conversion may be a poor fit. It may also be one of the most valuable tax-planning opportunities available to you. Without multi-year analysis, those two situations can look identical on the surface.
See Whether a Roth Opportunity May Exist in Your Situation
If you want to know whether caution is appropriate in your case, start by measuring the factors that usually drive the answer.
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The Question Worth Pressing Your Advisor On
If your advisor has suggested Roth conversions aren't right for you, there's one question worth asking directly: "Has this been modeled against my full projected retirement income, including RMDs, Social Security, Medicare costs, and the survivor scenario, over a multi-year horizon?"
If the answer is a general observation rather than a projection built around your actual numbers, it may be worth a second look. Roth conversion timing is one of the few strategies in retirement tax planning where doing the work precisely and doing it at the right time, can produce a materially different outcome from leaving it unaddressed.
Some advisors say no to Roth conversions because the strategy can be complex, visible, and easy to misjudge without proper modeling. That caution is understandable. What matters is whether the decision is being made with enough analysis to deserve confidence.
A review with our team runs about an hour and produces a clear, number-based analysis of your options with no commitment required on either side.
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