If your 2026 income is above $168,000 single or $252,000 married filing jointly, the IRS bars you from contributing directly to a Roth IRA. Yet many high earners still fund one every year. How?
They use a backdoor Roth IRA, a legal two-step move that routes money into a Roth without breaking any rules. It is not a special account you open. It is a strategy, and Congress has repeatedly left it in place. Here is exactly how it works as of July 2026, plus the one rule that trips people up.
What a backdoor Roth IRA actually is
A backdoor Roth IRA is the process of contributing to a Traditional IRA and then converting that money to a Roth IRA. Traditional IRA contributions have no income limit, and Roth conversions have no income limit either. Put those two facts together and you have a legal path around the Roth income cap.
The payoff is the same as any Roth: your money grows tax-free, and qualified withdrawals in retirement are tax-free. A backdoor Roth is simply a workaround that lets high earners access those Roth benefits.
The two steps in 2026
Step one is to contribute to a Traditional IRA. For 2026 the limit is $7,500, or $8,600 if you are age 50 or older. Because your income is high, you make this a non-deductible contribution, meaning you do not take a tax deduction for it.
Step two is to convert that Traditional IRA balance to a Roth IRA. Most brokerages let you do this online in a few clicks. If you convert soon after contributing and there are no earnings yet, little or no tax is due on the conversion.
The pro-rata rule: the big trap
Here is the rule that surprises people. If you hold any other pre-tax IRA money (Traditional, SEP, or SIMPLE IRA), the IRS will not let you convert only your new after-tax dollars. It treats all your IRA money as one pool.
That means your conversion becomes partly taxable in proportion to how much of your total IRA balance is pre-tax. For example, if 90% of your combined IRA money is pre-tax, then 90% of your conversion is taxable. This is the pro-rata rule, and it can turn a "tax-free" backdoor into a surprise tax bill.
A common fix is to roll existing pre-tax IRA balances into a 401(k) before you start, since 401(k) money is not counted in the pro-rata calculation. Consider talking to a tax professional before you do this.
Where to open the accounts
You need a brokerage that offers both Traditional and Roth IRAs and makes conversions easy. Many major platforms handle the whole backdoor process online.
Robinhood offers IRAs and lets you manage contributions and conversions from one app, which keeps the two-step process simple. Terms and conditions apply, and features vary by account.
Robinhood
Robinhood
Robinhood is a trading platform that brings stocks, ETFs, options, futures, prediction markets, crypto, and retirement accounts together in one app.
Standout feature
One platform for stocks, ETFs, options, futures, prediction markets, and crypto
Fees
$0 commission on stocks, ETFs, and options.
Pros
Zero-commission trading on stocks, ETFs, and options
Cons
Best perks (high APY, lower margin rates) require Gold subscription ($5/month)
Public is another platform that supports IRA investing and a range of index funds and ETFs to hold inside your Roth once the conversion is done. Available investments and fees vary.
Public
Public
Investing for those who take it seriously. Invest in stocks, bonds, options, crypto & more.
Standout feature
A 5%+ yield Bond Account paired with 3.3% APY on cash — Public is one of the only consumer apps where idle and conservative money is treated as seriously as the equity portfolio.
Fees
Free
Pros
• Invest in stocks, bonds, crypto & more• Earn 3.3% APY* on your cash with no fees• 1% match when you transfer your portfolio• Lock in a 5%+ yield with a Bond Account
Cons
Customer support is in-app and email only, no phone
The mega backdoor Roth
There is a bigger version for people whose employer 401(k) allows after-tax contributions and in-plan Roth conversions. It is called the mega backdoor Roth.
In 2026, the total 401(k) contribution limit across all sources is $72,000. After subtracting your regular deferrals and any employer match, the remaining room can be filled with after-tax dollars and then converted to Roth. This can move far more than the standard $7,500 into Roth space, sometimes $25,000 to $47,500 or more, depending on your plan and match. Not all plans allow it, so check with your plan administrator.
Reporting it correctly
The backdoor Roth is reported on IRS Form 8606, which tracks your non-deductible contributions. Filing it correctly is what proves you already paid tax on the money, so you are not taxed again.
Skipping this form is one of the most common mistakes. Keep records of every contribution and conversion, and give them to your tax preparer.
Is a backdoor Roth worth it?
For most high earners, yes. You get tax-free growth and tax-free retirement withdrawals on money that otherwise could not go into a Roth at all.
The strategy makes the most sense if you have little or no existing pre-tax IRA balance, so the pro-rata rule does not apply. If you do have those balances, the math gets more complex and professional guidance helps.
Next steps
Start by checking whether your income actually exceeds the 2026 Roth limits; if it does not, you can just contribute directly and skip the backdoor. If it does, confirm you have no pre-tax IRA balances that would trigger pro-rata taxes.
Then open a Traditional and a Roth IRA at the same brokerage, make your non-deductible contribution, convert, and file Form 8606. Because timing and taxes matter, consider running your plan past a tax advisor first.
Frequently Asked Questions
Is a backdoor Roth IRA legal in 2026?
Yes. The backdoor Roth IRA remains legal as of 2026. It relies on two allowed moves: contributing to a Traditional IRA, which has no income limit, and converting to a Roth, which also has no income limit. Congress has considered restricting it but has not done so.
How much can I put into a backdoor Roth in 2026?
The standard backdoor Roth is capped by the IRA contribution limit, which is $7,500 in 2026, or $8,600 if you are 50 or older. A mega backdoor Roth done through certain 401(k) plans can move much more, up to the total plan limit of $72,000 minus your other contributions.
What is the pro-rata rule?
The pro-rata rule says the IRS treats all your Traditional, SEP, and SIMPLE IRA balances as one pool when you convert. If part of that pool is pre-tax money, a proportional share of your conversion becomes taxable. Rolling pre-tax IRA money into a 401(k) first can avoid this.
Do I owe taxes on a backdoor Roth conversion?
If you make a non-deductible contribution and convert quickly with no investment earnings, you usually owe little or no tax. You may owe tax on any earnings between contribution and conversion, or on pre-tax balances caught by the pro-rata rule. File Form 8606 to document it correctly.
