A Roth conversion is halal. Moving money from a traditional IRA into a Roth IRA changes how the IRS taxes the account, not what the account owns, and paying income tax on the converted amount is a civic obligation rather than interest. For a Muslim the conversion is also the cleanest chance to sell whatever a conventional advisor put in the traditional IRA and rebuild with SPUS, HLAL, Amana or Iman Fund shares. Under IRS Publications 590-A and 590-B the converted amount is ordinary income, there is no income limit on converting, conversions cannot be undone, and each one starts its own five-year clock. This guide covers the tax arithmetic, the pro-rata rule, the backdoor Roth and zakat; our retirement hub has the account basics.
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Why a conversion is permissible when the IRA holdings may not be
The Roth and traditional IRA are legal wrappers defined in the Internal Revenue Code. Neither pays or charges interest by itself. What matters for Shariah is the investments inside and the cash position, which is why this site's verdict pages treat both IRA types as conditional. The conversion itself is a transfer between two wrappers you already own, taxed as a distribution. No lender, no interest, no gharar. Scholars who object to IRAs object to the bond funds and interest-paying sweeps inside them, not to the paperwork.
That framing also answers the common worry about converting an IRA full of non-compliant funds. The impermissible part of a target-date or S&P 500 index fund is the slice of return that came from interest and from excluded businesses, and that slice needs to be purified whether you convert or not. Converting does not launder it, and it does not make it worse. The practical sequence is to convert, sell the old holdings inside the Roth, calculate purification on the gains attributable to non-compliant income using a screener such as Zoya or Musaffa, give that amount away, and buy halal funds with the rest. The halal tax strategy hub covers the deduction side of purification gifts.
What the IRS allows and how the tax is computed
Publication 590-A lists three conversion methods: a rollover, where you receive a distribution and deposit it in a Roth IRA within 60 days; a trustee-to-trustee transfer between two custodians; and a same-trustee transfer, which can be done simply by redesignating the traditional IRA as a Roth IRA. A conversion is treated as a rollover but the one-rollover-per-year limit does not apply to it, so you can convert in several pieces across a year. The 10% additional tax on early distributions does not apply to a properly completed conversion even if you are under 59½.
The cost is ordinary income tax. The IRS says you must include in gross income the part of the distribution that would have been taxable had you simply withdrawn it, in the year you convert, and that you may need to increase withholding or make estimated payments under Publication 505. Only the return of your basis, meaning earlier nondeductible contributions tracked on Form 8606, comes out tax-free. Two things cannot be converted: required minimum distributions for the year, including the calendar year you reach 73, and anything from an inherited IRA you are not the spouse of. Since 2018 a conversion cannot be recharacterized, so a conversion done in a year that turns out to be high-income is final.
| Rule | What the IRS says | Practical effect |
|---|---|---|
| Income limit | None on conversions | High earners can convert any amount |
| Tax | Converted pre-tax dollars are ordinary income that year | Pay from outside cash, not from the IRA |
| Early withdrawal penalty | Does not apply to the conversion | Age is irrelevant to converting |
| Undo | No recharacterization since 2018 | Estimate the tax before you click |
| RMDs | Cannot convert the year's RMD | Convert before age 73 where possible |
| Form 8606 | Required for basis and for Part II conversions | File it even if no tax is due |
The pro-rata rule when you have nondeductible basis
If any of your traditional IRA money came from nondeductible contributions, you cannot convert only the after-tax dollars. The IRS treats all your traditional, SEP and SIMPLE IRAs as one pool, and Worksheet 1-1 in Publication 590-B works out the taxable share of any conversion by comparing your total basis with the total year-end value of all those accounts plus the amounts converted and distributed during the year. A reader with $60,000 across all traditional IRAs and $12,000 of Form 8606 basis has 20% basis; converting $20,000 would leave $16,000 taxable and $4,000 tax-free, and the remaining basis carries forward on next year's Form 8606. Those are illustrative numbers; run your own through the worksheet.
- Add up the December 31 value of every traditional, SEP and SIMPLE IRA you own, including the amount you converted during the year.
- Find your total nondeductible basis from the most recent Form 8606 you filed, line 14, plus any new nondeductible contribution this year.
- Divide basis by the total in step one to get the tax-free percentage.
- Apply that percentage to the converted amount; the rest is ordinary income on your return.
- File Form 8606 Part II for the conversion. The IRS charges $50 for a missing 8606 and $100 for an overstated basis.
- Keep the 1099-R from the old custodian and the Form 5498 from the Roth custodian with your tax file.
The two five-year clocks
Publication 590-B describes two separate five-year rules, and readers mix them up. The first governs qualified distributions: Roth earnings come out tax-free only after the five-year period beginning with the first tax year for which you made any contribution to any Roth IRA, and once you are 59½ or meet another exception. The second governs conversions: if you withdraw converted money within five years of the January 1 of the conversion year and you are under 59½, the 10% additional tax applies to the taxable part of that conversion, even though you already paid income tax on it. Each conversion has its own five-year period.
The ordering rules soften this. The IRS treats Roth withdrawals as coming first from regular contributions, then from conversions oldest first with the taxable portion before the non-taxable portion, and only last from earnings. Someone who has made regular Roth contributions for years can therefore access those first without touching a recent conversion. A Muslim planning early retirement can use a conversion ladder, converting a year's spending need each year and waiting five years before drawing it, exactly as conventional planners do.
Years when converting makes sense, and years when it does not
A conversion is a bet that your tax rate now is lower than your tax rate when you would otherwise withdraw. Good years are those with unusually low income: a sabbatical, a year of graduate school, the gap between retiring and starting Social Security, a year with a large purification or charitable deduction, or a year of business losses. Bad years are those in which a conversion would push you into a higher bracket, trigger the net investment income tax, raise Medicare premiums two years later, or reduce premium credits for marketplace health insurance. If you need the IRA itself to pay the tax, you are usually better off waiting, because the money sent to the IRS leaves the tax-free wrapper for good.
There is also an estate planning angle. The IRS confirms that RMDs are not required from your own Roth IRA, so converted money can stay invested in halal funds for your lifetime and pass to heirs with no income tax due on qualified withdrawals, which simplifies the Islamic inheritance split. The Islamic financial advisor directory lists planners who can run the multi-year projection; a conversion of six figures should not be decided from a blog post.
Converting in kind versus selling first, and rebuilding in halal funds
The IRS requires that you roll over into the Roth the same property you received from the traditional IRA, which in practice means your custodian can move shares across without selling. Whether you should depends on what is in the account. If the traditional IRA already holds SPUS or Amana shares, convert in kind and avoid being out of the market for even a day. If it holds a bond fund, a money market sweep or a conventional index fund, there is no reason to keep them, so sell inside the traditional IRA, convert cash, and buy halal funds in the Roth the same day. Inside an IRA the sale has no capital gains consequence; the only tax is on the conversion.
The fund menu is short enough to list. SP Funds runs SPUS at a 0.45% expense ratio for US large caps and SPSK for sukuk. Saturna's Amana funds offer the Growth Fund at 0.86% for Investor shares or 0.61% for Institutional shares with a $100,000 minimum, with no minimum for Investor shares in tax-sheltered accounts, and the Participation Fund at 0.82% for income. The Iman Fund from Allied Asset Advisors is the community-owned alternative, reviewed in our IMANX review. For a managed option, Wahed will run the Roth for you. Whatever you choose, do not leave the proceeds in the sweep; see our money market fund verdict for why.
The backdoor Roth for income above the limit
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The IRS set the 2026 Roth IRA income phase-out at $153,000 to $168,000 of modified AGI for single filers and heads of household, and $242,000 to $252,000 for married couples filing jointly. Above those ranges a direct Roth contribution is not allowed, but a conversion has no income limit. The backdoor route is therefore to make a nondeductible traditional IRA contribution, up to the 2026 limit of $7,500 or $8,600 if you are 50 or older, and convert it shortly afterwards. Because the contribution was nondeductible, little or no tax is due on the conversion, provided you have no other pre-tax IRA money.
That proviso is the pro-rata rule again. If you also hold a $200,000 rollover IRA from an old 401(k), most of your $7,500 backdoor conversion becomes taxable, because the IRS pools all your traditional IRAs. The usual fix is to roll the pre-tax IRA into a current employer's 401(k) first, if the plan accepts rollovers, leaving only the new nondeductible contribution in IRA form. Do this in the order described and file Form 8606 for both the contribution and the conversion. Our guide for high earners covers where the backdoor Roth fits alongside a 401(k) and a taxable account.
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How a conversion changes your zakat
Zakat does not care which wrapper the money sits in, but a conversion changes two inputs. First, the tax you pay from outside funds reduces your zakatable cash, so the year you convert your zakat bill on cash falls while the Roth balance stays the same. Second, many scholars allow a Muslim to deduct the tax and penalty that would be due on withdrawal when valuing a traditional IRA for zakat; after conversion that deduction largely disappears, because qualified Roth withdrawals are tax-free, so the zakatable value of the account rises. Our guide to zakat on retirement accounts sets out the main positions, including the view that zakat is owed yearly on the accessible value and the view that it is owed only when the money is withdrawn.
The checklist below is what we would want a reader to have done before submitting a conversion request to Fidelity, Schwab, Vanguard, Wahed or any other custodian.
- An estimate of this year's taxable income with and without the conversion, including state tax.
- Cash outside the IRA to pay the tax, and a plan for estimated payments so there is no underpayment penalty.
- The total value of all traditional, SEP and SIMPLE IRAs and the basis from your last Form 8606, for the pro-rata calculation.
- A purification figure for the non-compliant holdings you are about to sell, from Zoya or Musaffa.
- A list of the halal funds you will buy in the Roth and confirmation that the sweep balance will be reinvested the same day.
- Confirmation that no required minimum distribution is due this year, if you are 73 or older.
Our view: who should convert in 2026
Convert if your income this year is well below what you expect in retirement, you can pay the tax from savings, and the traditional IRA is full of funds you would not choose today. A 34-year-old with a $40,000 rollover IRA in a target-date fund, between jobs this year, should convert most or all of it, purify, and rebuild in SPUS and SPSK. A 58-year-old in peak earning years with a $600,000 IRA should probably wait for the lower-income years after retiring and convert in slices. A high earner locked out of direct Roth contributions should set up the backdoor each January after clearing out pre-tax IRA balances. In every case the conversion is halal; the only question is whether the tax is worth paying now. Facts checked against irs.gov, saturna.com, investaaa.com on October 3, 2026.
Frequently asked questions
Is a Roth conversion halal?
Yes. A conversion moves money between two tax wrappers you already own and triggers income tax, not interest. Nothing is borrowed and no return is promised. The Shariah questions sit with the investments inside the account and the cash sweep, which is why a conversion is the ideal time to sell non-compliant holdings and buy halal funds such as SPUS, HLAL or the Amana funds.
Is there an income limit on Roth conversions?
No. IRS Publication 590-A places no income limit on converting a traditional IRA to a Roth IRA, and the one-rollover-per-year rule does not apply to conversions. The 2026 income phase-outs of $153,000 to $168,000 for single filers and $242,000 to $252,000 for joint filers apply only to direct Roth contributions, which is why high earners use the backdoor method.
Can I undo a Roth conversion if the market falls?
No. The IRS states that conversions made in tax years after December 31, 2017 cannot be recharacterized back to a traditional IRA. You pay tax on the value on the day of conversion even if the holdings fall afterwards. That is a reason to convert in pieces across the year rather than all at once, and to convert cash rather than volatile holdings if you plan to sell them anyway.
Do I pay the 10% penalty on a conversion before age 59½?
Not on the conversion itself, provided it is completed properly. You would owe the 10% additional tax only if you then withdraw the converted amount within five years of the January 1 of the conversion year while under 59½. Each conversion carries its own five-year period, and Roth ordering rules let you withdraw regular contributions first.
What is the pro-rata rule in a Roth conversion?
It is the IRS method that prevents you from converting only your after-tax basis. All your traditional, SEP and SIMPLE IRAs are treated as one pool, and the tax-free share of any conversion equals your total Form 8606 basis divided by the total value of those IRAs plus the amounts converted. Publication 590-B Worksheet 1-1 does the arithmetic, and the result goes on Form 8606 Part II.
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Does converting to a Roth change my zakat?
It changes the inputs rather than the obligation. Tax paid from outside cash lowers your zakatable cash that year, and the Roth balance no longer carries a tax liability that some scholars let you deduct, so its zakatable value rises. Whether you pay zakat on retirement accounts yearly or only on withdrawal depends on the opinion you follow; our zakat on retirement accounts guide sets out both.
