Why does it matter whether an IRA move is called a rollover, a transfer, or a conversion?

By Kaz · Published 28 September 2026 · How this site checks figures

Summary

Because the IRS counts and taxes them differently. A 60-day rollover passes through your hands and, between IRAs, you get one every 12 months; a trustee-to-trustee transfer goes straight from one IRA custodian to another and has no limit. A conversion turns traditional IRA money into Roth IRA money, and the untaxed part is income for that year however the money travels.

Three transactions side by side

	60-day IRA rollover	Trustee-to-trustee transfer	Roth conversion
How the money moves	Paid to you, then deposited within 60 days	Directly between IRA custodians	By 60-day rollover, by transfer, or inside one institution
One-per-12-months limit	Yes, counted across all your IRAs	No	No
Tax on the move	None if completed on time	None	Untaxed amounts are income for the year

The IRS says a transfer "isn't a rollover," and the once-a-year rule "applies only to rollovers." So whether the paperwork describes a transfer or a rollover decides whether the move counts toward the limit.

What a second rollover costs

Since 2015 the limit is one IRA-to-IRA rollover in any 12-month period "regardless of the number of IRAs you own," and the IRS treats traditional, Roth, SEP, and SIMPLE IRAs as one IRA for the count. The period is any 12 months, not a calendar year, so a rollover in November blocks another one the following March.

A second rollover inside those 12 months can have three consequences. The untaxed amount of the second distribution goes into gross income. The 10% early withdrawal tax may apply on top. And if you've already put the money into another IRA, it can be treated as an excess contribution, "taxed at 6% per year as long as they remain in the IRA."

None of this touches a 401(k) rollover. The IRS lists plan-to-IRA, IRA-to-plan, and plan-to-plan rollovers as outside the limit, along with conversions and IRA-to-IRA transfers.

A conversion changes the tax type of the money

The IRS describes three ways to convert: roll a traditional IRA distribution into a Roth IRA within 60 days, have the custodian transfer it to a Roth IRA at another institution, or, if both IRAs are at the same firm, tell the firm to move it across. Whichever you pick, the conversion "results in taxation of any untaxed amounts in the traditional IRA," and it's reported on Form 8606.

Before 2018 you could reverse a conversion by recharacterizing it. That option is gone: a conversion made on or after January 1, 2018 "cannot be recharacterized," and the same ban covers amounts rolled into a Roth IRA from a 401(k) or 403(b). How much of a conversion is taxable when part of the money is basis is worked through in the article on what's taxable when money goes into a Roth IRA.

Sources

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