Roth Conversions

The plain answer

A Roth conversion moves money from a traditional retirement account into a Roth account. The converted amount generally becomes taxable income for the year of the conversion. In exchange, qualified Roth withdrawals can be tax-free later.

The trade is a tax bill today for the possibility of less tax later. A conversion can help when your tax rate now is lower than the rate you expect to pay on that money in the future. It is not always worth doing. Do not spend a dollar to save thirty cents in taxes.

How it actually works

You choose an amount to move from a traditional IRA or eligible workplace plan into a Roth IRA. That amount is generally added to your taxable income for the calendar year, except for any basis that has already been taxed.

A large conversion can create an income spike. That spike may push part of your income into higher tax brackets and can affect tax credits, deductions, Medicare premiums, and other income-based rules. Conversions also require care when an IRA contains both pre-tax and after-tax money.

Some people convert smaller amounts over several years to manage the tax impact. Early retirees sometimes coordinate a series of conversions through a Roth conversion ladder.

What this means for you

Start by comparing the marginal tax rate you would pay on a conversion now with the rate you reasonably expect later. Consider your full taxable income for the year, not the retirement account in isolation.

Low-income years can create useful conversion opportunities. Examples include the years after leaving work but before Social Security, required distributions, or a pension begins. Leave room for uncertain income, and plan how you will pay the conversion tax. Paying the tax from cash outside the retirement account often preserves more money for retirement, but it still uses money that could serve another goal.

Before converting, confirm that the move fits your broader priorities. The order of operations for your money can help you decide whether taxes should take priority over debt, emergency savings, or other needs.

Common mistakes

• Converting a large balance without estimating the total federal and state tax bill.
• Looking only at the current tax bracket and ignoring credits, Medicare premiums, and other income-based thresholds.
• Assuming Roth is always better because future qualified withdrawals can be tax-free.
• Using retirement money to pay the tax without considering penalties, lost growth, and withholding rules.
• Forgetting that conversions cannot generally be reversed after completion.
• Treating a conversion as urgent when waiting for a lower-income year may produce a better result.

Related pages

• Traditional vs. Roth: The Tax Question
• Traditional vs. Roth IRA
• Roth Conversion Ladders
• The Order of Operations for Your Money