On the surface, converting a traditional IRA to a Roth IRA sounds like a no-brainer. Pay some taxes now, enjoy tax-free growth later. But timing and execution matter—and a poorly planned conversion can saddle you with an unnecessary tax bill that takes years to recover from.
Here’s why: A Roth conversion adds the converted amount to your taxable income for the year. If you have a $500,000 IRA and decide to convert all of it at once, that entire $500,000 stacks on top of your other income. Suddenly, you’re pushed into a much higher tax bracket.
For example, say you and your spouse normally have $100,000 in taxable income, putting you comfortably in the 22% bracket. A one-time $500,000 conversion doesn’t just add a flat tax bill. It catapults you into the 35% bracket, with much of the conversion taxed at rates far higher than you’d otherwise pay. Instead of smoothing your tax liability, you’ve concentrated it into one brutal year.
The smarter way is often a series of smaller, strategic conversions. By spreading the $500,000 over, say, 10 years, you can “fill up” lower tax brackets each year without crossing into much higher ones. The end result: you still move the entire account into Roth, but you pay far less in cumulative taxes along the way.
And taxes are just one piece of the puzzle. Conversions can also affect Medicare premiums, Social Security taxation, and eligibility for certain credits or deductions. Looking at the move in isolation misses the bigger picture.
Done right, a Roth conversion is one of the most powerful tools in retirement planning, shifting money into an account that grows tax-free for the rest of your life, and for your heirs. Done wrong, it’s an expensive lesson in how the IRS plays the long game.
That’s where planning makes the difference. At Hanover, we can analyze your full tax situation, model different conversion schedules, and design a Roth conversion strategy that’s calibrated to your retirement goals, so you capture the benefits without the costly surprises.