Affordable Care Act Premium Tax Credit Calculator: Estimate 2026 Subsidy
The cost of health insurance can be a significant expense for households buying coverage on their own.
The Affordable Care Act provides tax relief that can reduce the cost of Marketplace coverage for qualifying households.
Your credit is tied to federal tax rules and can affect both monthly premiums and the amount reconciled on a tax return.
ACA Premium Tax Credit Estimator
2026 plan year · IRC §36B / Rev. Proc. 2025-25
Enhanced subsidies expired 12/31/2025. A House-passed extension (H.R. 1834) was stalled in the Senate as this tool was built — check Healthcare.gov for the latest.
Modified AGI for everyone in the tax household who’s required to file.
Find your SLCSP on Healthcare.gov or your state exchange — this tool doesn’t look up live plan rates.
Leave at 0 to assume you’re enrolling in the benchmark Silver plan itself.
Estimated monthly premium tax credit
$412
Your share: $368/mo toward the benchmark plan
% of Federal Poverty Level
232%
Applicable / required %
7.87%
Estimated annual credit
$4,944
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What Is the ACA Premium Tax Credit?
The ACA premium tax credit is a federal tax credit designed to help eligible households pay for health insurance purchased through the ACA Marketplace.
The amount you receive depends largely on your
- Household income
- Household size, and
- Cost of coverage where you live.
You generally have two ways to use the credit.
- You can have it applied in advance, which lowers your monthly health insurance premium.
- Or you can claim the credit when you file your federal tax return.
How Is the ACA Premium Tax Credit Calculated?
The calculation is based on your household income and the cost of a benchmark health plan in your area.
That benchmark is generally the Second Lowest-Cost Silver Plan (SLCSP) available through the Marketplace.
The basic idea looks like this:
The government determines how much of your income you’re expected to contribute toward the benchmark plan. The premium tax credit covers the difference.
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2026 Expected Contribution Percentages
For 2026, the expected household contribution percentages are:
| Household Income | Expected Contribution |
|---|---|
| Below 133% of FPL | 2.10% |
| 133%–150% of FPL | 3.14%–4.19% |
| 150%–200% of FPL | 4.19%–6.60% |
| 200%–250% of FPL | 6.60%–8.44% |
| 250%–300% of FPL | 8.44%–9.96% |
| 300%–400% of FPL | 9.96% |
| Above 400% of FPL | No premium tax credit |
The percentages aren’t the premium itself. But they’re used as part of the calculation that determines how much of the benchmark premium you’re expected to pay.
Who Qualifies for the ACA Premium Tax Credit?
You generally need to:
- Have household income within the applicable ACA income range
- Enroll in qualifying health coverage through the ACA Marketplace
- Not have access to affordable qualifying employer coverage through yourself or, in applicable cases, a spouse
- Not be eligible for Medicare, Medicaid, or another qualifying government health program
- Meet the applicable federal tax-filing requirements
But you don’t qualify simply because you’re retired. It depends heavily on your income.
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ACA Premium Tax Credit Income Limits
The enhanced ACA subsidies that had expanded eligibility beyond 400% of the federal poverty level (FPL) expired at the end of 2025.
That means the traditional 400% FPL income cliff has returned for 2026.
And that creates a very different situation for households near the upper end of the income range.
| Household Size | Approximate 100%–400% FPL Range |
|---|---|
| 1 person | $15,060–$60,240 |
| 2 people | $20,440–$81,760 |
| 4 people | $31,200–$124,800 |
How Much Can You Save With the ACA Tax Credit?
Your savings can depend on:
- Household income
- Household size
- Age
- Location
- Benchmark Silver plan premiums
- The Marketplace plan you choose
A household with relatively low income may qualify for substantial assistance.
At the other end of the range, a household near 400% of FPL may still receive a meaningful credit, but crossing the income threshold can change the calculation.
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What Happens If Your Income Changes?
When you apply for Marketplace coverage, your premium tax credit is generally based on your estimated household income for the coverage year.
Later, the IRS reconciles that estimate with your actual income when you file your federal tax return.
So what happens if you guessed wrong?
| If Your Income Changes | What It Means |
|---|---|
| Income goes up | You may get less tax credit and could have to repay excess credit. |
| Income goes down | You may qualify for more tax credit and could get a larger refund or owe less tax. |
| Income changes during the year | Report the change to the Marketplace so your monthly credit can be adjusted. |
| You do nothing | Your final credit is reconciled on your tax return, which could mean a smaller refund or higher tax bill. |
ACA Premium Tax Credit vs. ACA Subsidy
You’ll often see these two terms used as if they’re different programs.
They’re not.
The premium tax credit is the ACA subsidy.
| Benefit | What It Helps Pay | Silver Plan Required? |
|---|---|---|
| ACA subsidy / Premium tax credit | Monthly premium | No |
| Cost-sharing reductions (CSRs) | Deductibles, copays, and coinsurance | Yes |
| Both | Premium + out-of-pocket costs | Yes, for CSRs |
The ACA premium tax credit can be a major part of the retirement plan for anyone who needs health insurance before Medicare.
But don’t think of it as simply a discount on your monthly premium; it depends on your income.
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