HSA Contribution Calculator
See how much your HSA actually saves you each paycheck in federal, state, and FICA taxes, based on the 2026 IRS limits.
Annual Salary
Annual HSA Contribution
HDHP Coverage
Age 55+ Catch-Up
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State
Pay Frequency
Contribution Method
Annual Tax Savings Breakdown
Estimates only. Not tax or legal advice. Consult a tax professional for accuracy.
2026 IRS Limit Progress
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The full app handles all deductions, 50-state taxes, overtime, and bonuses.
How HSA Tax Savings Work: The Triple Tax Advantage
Health Savings Accounts get their "triple tax advantage" label because (1) contributions are tax-deductible, (2) investment growth is tax-free, and (3) withdrawals for qualified medical expenses are tax-free. This calculator focuses on the first part: the immediate tax savings from your contributions.
HSA contributions can lower three types of taxes: federal income tax, state income tax (in most states), and FICA taxes (Social Security and Medicare) when contributed through payroll. Depending on your tax bracket, the combined savings rate can hit 30–40%+. That means every $1 you put in might only cost you $0.60–$0.70 in reduced take-home pay.
2026 HSA Contribution Limits and Eligibility
You need a qualifying High Deductible Health Plan (HDHP) to contribute to an HSA. You also can't be on Medicare or claimed as a dependent. New for 2026: bronze and catastrophic Exchange plans now count as HSA-compatible under the One, Big, Beautiful Bill Act (P.L. 119-21).
| Item | 2025 | 2026 |
|---|---|---|
| Self-Only Limit | $4,300 | $4,400 |
| Family Limit | $8,550 | $8,750 |
| Catch-Up (55+) | $1,000 | $1,000 |
| HDHP Min. Deductible (Self) | $1,650 | $1,700 |
| HDHP Min. Deductible (Family) | $3,300 | $3,400 |
| HDHP Max. OOP (Self) | $8,300 | $8,500 |
| HDHP Max. OOP (Family) | $16,600 | $17,000 |
HSA Tax Savings by Salary Level
Here are estimated annual tax savings for a single filer putting in the full $4,400 self-only limit through payroll deduction. State tax is excluded since it varies.
| Annual Salary | Federal Bracket | Federal Savings | FICA Savings | Total Savings | Cost per $1 |
|---|---|---|---|---|---|
| $30,000 | 12% | $528 | $337 | $865 | $0.80 |
| $50,000 | 22% | $968 | $337 | $1,305 | $0.70 |
| $75,000 | 22% | $968 | $337 | $1,305 | $0.70 |
| $100,000 | 22% | $968 | $337 | $1,305 | $0.70 |
| $150,000 | 24% | $1,056 | $337 | $1,393 | $0.68 |
| $200,000 | 32% | $1,408 | $337 | $1,745 | $0.60 |
Payroll Deduction vs. Direct Contribution
The way you contribute to your HSA changes how much you save. Payroll deductions through a Section 125 cafeteria plan skip FICA withholding (7.65% for most workers), which adds up to $337 per year on a max $4,400 self-only contribution, or $669 on a max $8,750 family contribution.
Direct contributions (transferring funds yourself) are deducted on your federal tax return via Form 8889 and reduce your income tax, but they don't reduce FICA taxes. If your employer offers payroll deduction through a Section 125 plan, use it. The extra FICA savings are free money.
States That Don't Recognize HSA Deductions
Only California and New Jersey refuse to recognize HSA deductions for state income tax. In both states, employer and employee HSA contributions count as taxable income at the state level. CA and NJ residents still get the full federal income tax and FICA savings, though. Every other state with an income tax follows the federal treatment.
If you're also saving for retirement, check our 401(k) Contribution Calculator, or run a full breakdown with the Hourly Paycheck Calculator.
Frequently Asked Questions
Quick answers on HSA limits, FICA, state rules, and deadlines
How much can I contribute to an HSA in 2026?
The 2026 IRS limit is $4,400 for self-only HDHP coverage and $8,750 for family coverage. If you're 55 or older, you can add a $1,000 catch-up contribution on top, for a maximum of $5,400 (self-only) or $9,750 (family).
Do HSA contributions reduce FICA taxes?
Only when contributions go through your employer's payroll via a Section 125 cafeteria plan. Pre-tax payroll deductions skip both income tax and FICA (Social Security + Medicare) withholding. If you contribute directly and deduct it on your tax return, you save on income tax but not FICA.
Do all states give a tax deduction for HSA contributions?
No. California and New Jersey don't recognize HSA contributions as a state income tax deduction. In those two states, your HSA contributions are still deductible federally but taxed at the state level. Every other state with an income tax allows the deduction.
What happens if I contribute more than the IRS limit?
You'll owe a 6% excise tax for each year the excess stays in the account. To avoid the penalty, withdraw the extra amount (plus any earnings on it) before your tax filing deadline.
Can I contribute to an HSA if I have a bronze or catastrophic plan?
Yes, starting in 2026. Bronze and catastrophic plans bought through a Health Insurance Exchange now count as HSA-compatible high deductible health plans under the One, Big, Beautiful Bill Act (P.L. 119-21, Sec. 71307).
How much does an HSA save per paycheck?
It depends on your contribution amount, tax bracket, state, and whether you go through payroll. As a rough example, someone earning $65,000 who contributes $4,400/year through biweekly payroll deductions would save around $50–$65 per paycheck in combined taxes.
Can my spouse and I both contribute to separate HSAs?
Yes, as long as both spouses have their own HDHP coverage. The combined family limit is still $8,750 for 2026, though. If both spouses are 55+, each can make a separate $1,000 catch-up contribution to their own HSA.
What is the deadline to make HSA contributions?
You have until your tax filing deadline, usually April 15 of the following year. So for 2026 contributions, the cutoff is April 15, 2027.
Need More Than a Quick Calculation?
The full app tracks your full paycheck all year — overtime, bonuses, deductions, and 50-state taxes built in.