The Earned Income Tax Credit is the largest refundable credit in the federal tax code for working people with low to moderate income, and it's also โ by the IRS's own numbers โ one of the most frequently claimed in error. Both things can be true at once: it's worth checking every year whether you qualify, and worth double-checking that you actually do before you claim it.
What "Refundable" Actually Means Here
Most credits can only reduce your tax bill to zero. The EITC goes further: if the credit is larger than what you owe, the IRS pays you the difference as part of your refund. A single parent with one child who owes $800 in federal tax but qualifies for a $3,200 EITC doesn't just zero out their bill โ they get a $2,400 refund on top of any withholding they're owed back.
2026 Maximum Credit Amounts
The maximum credit depends entirely on how many qualifying children you have. These are the official 2026 figures from IRS Revenue Procedure 2025-32:
| Qualifying Children | Max Credit (2026) | Max Credit (2025) | Phase-In Rate |
|---|---|---|---|
| None | $664 | $649 | 7.65% |
| One | $4,427 | $4,328 | 34% |
| Two | $7,316 | $7,152 | 40% |
| Three or more | $8,231 | $8,046 | 45% |
The "phase-in rate" is the mechanism that matters most for understanding your own credit: for the first stretch of earned income, the credit grows by that percentage of every additional dollar you earn. A single parent with one child earning the phase-in rate of 34% effectively gets a 34-cent credit for every extra dollar earned โ until the credit hits its maximum, plateaus for a while, and then phases back out as income keeps rising.
The Investment Income Cliff
This is the rule that trips up more people than any other part of the EITC: if your investment income โ interest, dividends, net capital gains, net rental or royalty income โ exceeds $12,200 for 2026 (up from $11,950 in 2025), you lose the entire credit, no matter how low your earned income is. This isn't a gradual phase-out like the main credit; it's a hard cliff. $12,199 of investment income and you're fine. $12,201 and the credit disappears completely.
โ ๏ธ A single mutual fund capital-gains distribution late in the year โ the kind many funds pay out in December regardless of whether you sold anything โ can push you over this limit without you realizing it until you're preparing your return. If you're close to the line, check your year-end brokerage statements before assuming you qualify.
The Age Rule for Workers Without Children
If you don't have a qualifying child, you can still claim the (much smaller) childless-worker credit, but only if you're between 25 and 64 years old at the end of the year. This age window has shifted over the years โ it was temporarily lowered to 19 for 2021 only under pandemic-era rules โ but for 2026 it's back to the standard 25โ64 range. Younger workers and retirees past 64 without qualifying children don't qualify for this version of the credit at all, regardless of how little they earned.
What Counts as a "Qualifying Child" Here
The EITC's definition of a qualifying child follows the same relationship, age, residency, and joint-return tests used elsewhere in the tax code โ but the residency test is the one that causes the most disputes, especially for separated or divorced parents. The child generally needs to have lived with you for more than half the year. If parents live apart and both technically meet the other tests, the tiebreaker rules award the credit to the parent the child lived with for more nights during the year โ not necessarily the parent claiming the child as a dependent for other purposes.
Married Filing Separately: Mostly Off the Table
With narrow exceptions, you cannot claim the EITC if you file as Married Filing Separately. If you're married and want to claim this credit, you generally need to file jointly โ which makes the EITC one more factor to weigh in the perennial Married Filing Jointly vs. Separately decision, alongside the Child Tax Credit and several other credits that share the same restriction.
How to Actually Check Your Eligibility
Because the exact income limits vary by filing status and change every year with inflation, the most reliable way to check your specific numbers is the IRS's own EITC Assistant tool at IRS.gov, or the worksheet in the Form 1040 instructions for Schedule EIC. Don't rely on a number you saw somewhere without confirming it applies to your exact filing status and child count for the current year โ a stale figure from a prior year can be off by several hundred dollars.
Claiming It Retroactively
If you were eligible for the EITC in a prior year but didn't claim it โ a common situation for people who didn't realize they qualified โ you can generally file or amend a return to claim it for up to three prior tax years. See our guide on amending a tax return with Form 1040-X if that applies to you.
How the Phase-Out Works
Past a certain income point, the credit stops growing and eventually shrinks back to zero as income keeps rising โ the mirror image of the phase-in. The exact phase-out rate and starting point depend on filing status and number of children, and Married Filing Jointly gets a noticeably wider plateau before the phase-out begins than Single or Head of Household, a deliberate marriage-bonus adjustment written into the statute. Because both the phase-in and phase-out ranges shift with inflation each year, the only reliable way to know exactly where your income falls is the IRS EITC Assistant โ treat any specific dollar range you read elsewhere as directional, not exact, until you've confirmed it against the current year's official table.
A Worked Example
Take a single parent with two qualifying children and $28,000 of wage income for 2026. They're past the phase-in zone (which tops out well before this income level for two children) and sitting in the plateau where the credit is at or near its two-child maximum of $7,316, before the phase-out begins to reduce it further up the income scale. That $7,316 is fully refundable โ if this parent's regular federal income tax liability before credits is, say, $900, the EITC first zeroes that out and then delivers the remaining roughly $6,400 as part of their refund.
Don't Forget Your State
More than 30 states plus the District of Columbia offer their own EITC, almost always calculated as a percentage of whatever federal EITC you qualify for โ commonly somewhere between 3% and 40% of the federal amount, though the exact percentage and rules vary considerably by state. If you qualify federally, check whether your state offers a matching credit on your state return; it's easy to claim (usually just a line that references your federal EITC amount) and easy to miss if you're not looking for it.
Common Questions
Can I claim the EITC if I'm self-employed? Yes โ self-employment income counts as earned income for EITC purposes, the same as wages. Your net self-employment profit (after business expenses) is what counts, not your gross receipts.
Does unemployment income count as earned income? No. Unemployment compensation is taxable income but is not earned income, so it doesn't help you qualify for or increase the EITC โ and if it's your only income for the year, you generally won't qualify for the credit at all that year.
What if I'm audited over an EITC claim? The EITC is one of the most heavily audited items on individual returns, largely because of the residency and relationship tests for qualifying children. Keep records that document where the child actually lived โ school records, medical records, or a custody agreement โ in case you're asked to substantiate the claim.
๐ก The EITC isn't part of this calculator's federal tax estimate yet โ see our Methodology page for the full list of what's modeled and what isn't. Use the calculator to get your baseline federal tax and FICA figured out, then check the EITC Assistant separately for the credit itself.