Guide
Defuse the Retirement Tax Bomb
Roth conversions, RMD strategy, and the 10-year rule your heirs will face.
A large pre-tax balance isn't a retirement account, it's a deferred tax bill with two forced deadlines: your own Required Minimum Distributions, and a 10-year clock your heirs inherit along with the balance. This guide sizes both problems with the actual 2026 numbers and gives you a four-question framework to defuse them. It's the companion download to our IRA Tax Bomb page, built for households with $2M or more concentrated in pre-tax accounts.
14 pages. 4 charts. A fillable worksheet. No commitment, no sales agenda.
$200,000+
Illustrative first-year RMD on a $2.5M traditional IRA grown to $5.3M by age 73
10 years
Time non-spouse heirs have to fully drain an inherited pre-tax IRA under the SECURE Act
~$400,000
Illustrative combined tax on a $1.4M inherited traditional IRA split between two adult children
What's inside
Why a large pre-tax balance keeps growing faster than its RMD divisor shrinks, and what that does to your bracket at 73, 78, 85, and 90
The exact difference in what your heirs keep from an inherited traditional IRA versus an inherited Roth IRA, on the same $1.4M balance
What changed in 2025: the IRS's final regulations requiring annual distributions during the 10-year window, not just a balance due by year 10
Which heirs are actually exempt from the 10-year rule, and why most adult children are not
A full worked example: a household with $2.5M in pre-tax accounts sizing its own conversion window
A four-question decision framework for how hard to weight Roth conversions given your own heirs and timeline
A seven-step action plan starting with the beneficiary forms most households haven't checked in years
A fillable worksheet to size your own tax bomb before your next planning conversation
Who this is for, and who it isn't
The math in this guide is built for a specific, common situation, not every retiree with an IRA.
The concentrated pre-tax household
$2M or more sitting in a 401(k) or traditional IRA, within about 10 years of RMD age. This is who the guide's worked example and defusal framework are built around.
Heirs who are adult children, not a surviving spouse
A surviving spouse isn't subject to the 10-year rule and can roll an inherited account into their own IRA. The urgency in this guide is specifically about non-spouse beneficiaries, usually adult children inheriting during their own high-earning years.
Households already well past this decision
If your pre-tax balance is modest relative to your spending needs, or your heirs are a spouse or a charity, this guide's framework will tell you so quickly and you can stop reading. It isn't built to manufacture urgency where none exists.
Frequently Asked Questions
What actually makes a pre-tax balance a "tax bomb"?
Two forced events on a clock you don't control. Your own Required Minimum Distributions start at 73 or 75 and only grow larger as the balance keeps compounding, often stacking on top of Social Security and pushing you into a higher bracket than you planned for. Then, for most adult children who inherit what's left, the SECURE Act's 10-year rule forces the entire remaining balance out within a decade, frequently during their own peak-earning years. Neither deadline is optional, and neither gets smaller by waiting.
Does the SECURE Act 10-year rule apply to everyone who inherits an IRA?
No. Eligible designated beneficiaries are exempt from the 10-year rule: a surviving spouse, a minor child of the account owner until they reach majority, a beneficiary who is disabled or chronically ill, and a beneficiary not more than 10 years younger than the original owner. Most adult children inheriting from a parent do not qualify for any of these exceptions, which is why beneficiary designations and the decision framework in this guide focus heavily on who's actually named.
Is converting to a Roth IRA always the right way to defuse this?
No, and the guide is explicit about that. Roth conversions make the most sense in a gap year before RMDs begin, when your bracket is temporarily lower, and when your heirs are non-spouse beneficiaries likely to inherit during high-earning years of their own. A surviving spouse doesn't face the 10-year rule at all and can roll an inherited account into their own IRA, which changes the math considerably. The four-question framework in this guide walks through exactly when conversions carry more weight and when they don't.
Related Resources
Want your own tax bomb sized, not estimated?
The guide is the framework. Your specific balance, bracket, beneficiary designations, and timeline determine the strategy. Singh PWM is a flat-fee CFP® and Enrolled Agent practice serving Arizona pre-retirees and retirees on a fiduciary basis.
No commitment. No sales agenda. 30 minutes.