Health Insurance Cost Calculator

The premium tax credit is a refundable federal tax credit that reduces your monthly health insurance premium. You can take it as an advance payment — reducing what you pay each month directly — or claim it as a lump sum when you file your annual tax return. Most people take the advance credit to reduce their monthly costs immediately. The advance credit is reconciled at tax filing against your actual annual income; if your income changed during the year, you may owe a portion back or receive additional credit.

The subsidy calculation is based on your benchmark Silver plan premium in your local area minus your maximum expected contribution — a legally defined percentage of your household income. If the benchmark Silver plan in your county costs $500 per month and your income-based maximum contribution is $200 per month, your subsidy is $300 per month. That $300 applies to any plan tier you choose, not just Silver — meaning it can make a Gold plan affordable or make a Bronze plan nearly free.

Income thresholds for 2026 follow a tiered structure. In states that have expanded Medicaid, households earning below 138% of FPL typically qualify for Medicaid rather than marketplace coverage. Between 138% and 400% FPL, premium tax credits apply on a sliding scale. Under the American Rescue Plan Act extensions maintained through 2026, households above 400% FPL can also receive subsidies if the benchmark Silver plan would cost more than 8.5% of their income — a meaningful expansion that extends subsidies well into middle-income territory.

If your income increases during the year — a new job, a raise, a side income — you should update your income estimate at healthcare.gov promptly. Receiving more advance credit than your actual income supports means repaying the difference when you file taxes. The IRS caps repayment amounts for households below certain income levels, but the repayment can still be significant. Reporting changes promptly protects you from surprise tax bills.

Cost Sharing Reductions are separate from premium tax credits and exclusively available on Silver plans for households earning 100 to 250% FPL. CSR does not reduce your premium — it dramatically reduces your deductible, out-of-pocket maximum, and copays. A standard Silver plan might have a $4,500 deductible and $7,500 OOP maximum; with maximum CSR (150 to 200% FPL), those figures can drop to $250 deductible and $1,500 OOP maximum. For eligible enrollees, an enhanced Silver plan with CSR is often objectively the best value option on the marketplace.

Employer-sponsored health insurance carries a substantial hidden advantage: the employer contribution is not included in your taxable income. If your employer pays $600 per month toward your health insurance premium, that $600 never appears on your W-2 and is never subject to income or payroll taxes. For an employee in the 22% bracket, this tax exclusion makes an employer plan effectively 30 to 40% less expensive than the sticker price comparison with marketplace plans. The paycheck calculator can show you exactly how employer health insurance contributions affect your take-home pay.

Marketplace plans can be cheaper in specific circumstances. If your employer plan costs more than 8.39% of your household income for employee-only coverage (the 2026 affordability threshold), you may qualify for marketplace premium tax credits even if an employer plan is technically available. This applies to many part-time employees or those working for small businesses with limited employer contributions. If your income falls in the 100 to 400% FPL range and your employer contribution is modest, running the numbers on marketplace subsidies is worthwhile.

Covering a spouse presents another decision point: should your spouse join your employer plan, or enroll in their own employer plan or marketplace coverage? The answer depends on the relative premiums, the quality of each plan's network, and whether your spouse's own employer offers coverage. Adding a spouse to your employer plan at a favorable rate is usually efficient, but some employers charge significantly more for spousal or family coverage, making separate coverage worth considering.

When you leave a job, COBRA allows continuation of your employer health plan for up to 18 months — but you pay the full premium including both the employee and employer portions, plus a 2% administrative fee. This can easily exceed $700 to $1,200 per month for an individual. Job loss is a qualifying life event triggering a 60-day Special Enrollment Period for ACA marketplace coverage. For most people with marketplace subsidy eligibility, marketplace plans will cost significantly less than COBRA during this transition.

Self-employed individuals face a uniquely favorable tax situation. The self-employed health insurance deduction allows deducting 100% of health insurance premiums paid — for yourself, your spouse, and dependents — directly from your gross income on Schedule 1 of your tax return. This reduces both your income tax and, for high-income self-employed individuals, potentially your QBI deduction base. The effective after-deduction cost of a $500/month premium for a freelancer in the 24% bracket is roughly $380/month. Explore your full self-employment tax picture with our self-employment tax calculator and compare your best coverage options with our guide to best health insurance for self-employed.