Roth conversion ladder
A conversion ladder is a series of conversions in different tax years. Each conversion creates its own timing record; it does not remove the conversion-year tax bill.
Last reviewed Methods and sources
One conversion year, one clock
Under the IRS rules described here, a calendar-year taxpayer’s 2026 conversion ages through five tax years before January 1, 2031. A 2027 conversion has a separate period ending before January 1, 2032.
This matters when someone under age 59½ later withdraws principal that was taxable when converted. The separate five-year test concerns a potential additional early-distribution tax, subject to exceptions.
“Conversion ladder” is a planning description, not an IRS program or a guarantee of lower taxes. IRS sources and scope.
Tax years 2026 through 2030
Tax years 2027 through 2031
Tax years 2028 through 2032
Hypothetical taxable conversions. Each period starts January 1 of its conversion tax year.
A three-year example
Assume a calendar-year taxpayer under age 59½ converts $20,000 of fully taxable traditional IRA funds in each year below. Taxes are paid from outside the IRA. There are no earlier withdrawals or ordering conflicts, and the rules are assumed unchanged.
| Conversion year | Principal converted | First date after that period |
|---|---|---|
| 2026 | $20,000 | January 1, 2031 |
| 2027 | $20,000 | January 1, 2032 |
| 2028 | $20,000 | January 1, 2033 |
The repeated conversions can create successive amounts of aged principal. The person still needs a separate plan for expenses before the first amount reaches its waiting-period date. This illustration does not choose the assets that should fund those expenses.
A withdrawal must also follow the Roth IRA distribution ordering rules. Opening an additional Roth IRA does not let the owner choose a younger conversion while bypassing earlier contribution categories.
Budget for the tax separately
Suppose a fully taxable $20,000 conversion adds $3,000 of income tax in a chosen scenario. That is a hypothetical 15% incremental tax cost, not a current tax bracket or a prediction of anyone’s bill.
If the full $20,000 reaches the Roth and the $3,000 is paid from outside cash, the principal available to age is $20,000. Cash used for the tax is no longer available for other spending.
Keeping part of an IRA distribution instead of converting it changes the transaction. The retained amount may be taxable and may attract an additional early-distribution tax. See Publication 590-A.
- Traditional → Roth principal
- $20,000
- Outside cash → assumed tax
- $3,000
Tax is paid separately in this example; the full conversion remains in the Roth.
What the ladder needs to keep track of
Three records with different jobs
Conversion-year income: the taxable amount of each conversion, including whether traditional IRA basis affects that amount.
Conversion history: each year’s taxable and nontaxable converted amounts, plus any previous distributions that used them.
The Roth qualification history: the first contribution tax year and whether the eventual distribution meets an age or other qualifying condition.
The conversion calculator illustrates a simplified federal tax comparison. It is not a substitute for records of basis, all relevant income or the actual return. A real conversion can affect other income-linked calculations that the tool does not model.
Aged principal is not the same as qualified earnings
After the conversion waiting period, that particular recapture test no longer creates the additional tax on the aged converted principal. Earnings remain last in the nonqualified distribution order. Their qualified treatment requires the other Roth IRA test, not merely the conversion’s birthday.
IRS Publication 590-A also excludes required distributions from amounts that can be converted. A conversion does not turn an RMD into eligible conversion money. These guides cover an owner’s Roth IRA; designated Roth plan accounts and inherited IRAs need separate analysis.
Sources and review date
Reviewed . IRS Publication 590-A (2025), “Converting From Any Traditional IRA Into a Roth IRA,” supports the conversion-income, retained-distribution, required-distribution and recharacterization rules. IRS Publication 590-B (2025), chapter 2, supports the separate conversion periods, ordering and qualified-distribution conditions. Both publication pages were updated April 30, 2026; these are the published 2025-return editions, used for their rule explanations.
The timeline dates and tax-budget example are original arithmetic illustrations, not claims about future tax rules. This page is educational, not financial or tax advice.
Questions and answers
Does a Roth conversion ladder eliminate conversion tax?
No. The portion of a traditional IRA conversion that would otherwise be taxable is generally included in income for the conversion year. A ladder spreads conversions across years; it does not make taxable principal disappear from income.
Can I spend converted money exactly five years after the transfer date?
The conversion test starts on the first day of the conversion tax year. For a calendar-year taxpayer, a 2026 conversion has a five-tax-year period beginning January 1, 2026, which ends before January 1, 2031. Distribution ordering and applicable exceptions still matter.
Are Roth earnings available after the conversion waiting period?
Not automatically. Earnings follow the separate qualified-distribution rules, including their own five-year test and an age or other qualifying condition. Converted principal and earnings must not be treated as the same category.
Can I reverse a conversion if the tax bill is larger than expected?
IRS Publication 590-A says a Roth conversion made after 2017 cannot be recharacterized back to a traditional IRA. Confirm the conversion amount, tax consequences and available cash before acting.