Estimate your Affordable Care Act marketplace premium tax credit (subsidy) based on household income, size, and benchmark plan cost.
The Affordable Care Act (ACA) provides Premium Tax Credits to help individuals and families afford health insurance purchased through the marketplace. The credit amount is based on household income as a percentage of the Federal Poverty Level (FPL) and the cost of the benchmark Silver plan in your area.
The credit is designed so that you pay no more than a specified percentage of income for the benchmark plan. If you earn less, you get a larger credit; if you earn more, the credit shrinks. Enhanced subsidies from the American Rescue Plan remain in effect, making marketplace coverage more affordable for millions.
This calculator estimates your monthly premium tax credit and after-subsidy cost. These are educational estimates only — actual credits depend on your local marketplace and benchmark plan. Whether you are a beginner or experienced professional, this free online tool provides instant, reliable results without manual computation. By automating the calculation, you save time and reduce the risk of costly errors in your planning and decision-making process.
Many people don't realize they qualify for significant ACA subsidies, or they overestimate the cost of marketplace insurance. This calculator quantifies your expected subsidy to see if marketplace coverage is affordable for your household. Having a precise figure at your fingertips empowers better planning and more confident decisions. Manual calculations are error-prone and time-consuming; this tool delivers verified results in seconds so you can focus on strategy.
FPL = $15,060 + $5,380 × (household size − 1) FPL % = Income / FPL × 100 Expected Contribution = Income × Contribution Percentage (sliding scale) Monthly Contribution = Expected Contribution / 12 Monthly Tax Credit = Benchmark Premium − Monthly Contribution Your Cost = max(0, Selected Plan Premium − Tax Credit)
Result: Monthly credit: $820 | Your cost: $380/month
Family of 4 at $60,000 income = 194% FPL. Expected contribution ~7.6% of income = $4,560/year = $380/month. Benchmark premium $1,200 − $380 = $820 monthly tax credit. You pay $380/month for the benchmark plan.
The credit closes the gap between the benchmark plan cost and what you're expected to contribute based on income. The contribution percentage scales from 0% of income (at ≤150% FPL) up to 8.5% (at 400%+ FPL under enhanced subsidies). This sliding scale ensures that lower-income households pay less.
Choosing a Bronze plan and applying your full Silver-benchmark tax credit can result in $0 or near-$0 premiums. The trade-off is a higher deductible and out-of-pocket costs. For healthy individuals who rarely use healthcare, this strategy maximizes the subsidy's value.
Since the credit is income-based, managing MAGI can significantly affect your subsidy. Contributing to traditional 401(k) or IRA reduces MAGI and can increase your credit. HSA contributions (if you have a qualifying HDHP) also reduce MAGI. Self-employed individuals can deduct health premiums, further reducing MAGI for credit calculation.
The benchmark is the second-lowest-cost Silver plan in your marketplace area. The premium tax credit is calculated based on this plan's cost, but you can apply the credit to any metal tier (Bronze, Silver, Gold, or Platinum). Using a cheaper plan means lower out-of-pocket costs.
Under enhanced subsidies (through 2025), anyone above 100% FPL qualifies if their benchmark premium exceeds 8.5% of income. There is no upper income cliff. Below 150% FPL, you may qualify for $0 premium plans. In expansion states, those below 138% FPL typically qualify for Medicaid instead.
If your actual income is higher than estimated, you received too much credit and must repay the excess when filing taxes. Repayment is capped at $325–$2,800 depending on income, but above 400% FPL (pre-enhancement rules) there was no cap. Report income changes promptly to avoid large reconciliation.
Generally no, if your employer offers "affordable" coverage (employee-only premium ≤ ~8.39% of household income). However, if employer coverage is unaffordable or doesn't meet minimum value standards, you may qualify for marketplace subsidies. This is called the "affordability exemption."
CSRs are additional benefits for those earning 100–250% FPL who choose a Silver plan. They reduce deductibles, copays, and out-of-pocket maximums significantly. At 100-150% FPL, a Silver CSR plan has an average actuarial value of 94% (vs. 70% for standard Silver). CSRs only apply to Silver plans.
ACA marketplace open enrollment typically runs November 1 through January 15. Special Enrollment Periods are available for qualifying life events: job loss, marriage, birth/adoption, moving, losing other coverage. Medicaid enrollment is available year-round.