What are the 2026 HSA contribution limits?

Self-only: $4,400. Family: $8,750. Catch-up (age 55+): additional $1,000 (statutory, not indexed). HDHP minimum deductible: $1,700 self / $3,400 family. Maximum out-of-pocket: $8,500 self / $17,000 family.

HSA Calculator 2026

Q: What is the triple tax advantage of an HSA?

Three tax benefits: (1) tax-deductible contributions (federal, state, and FICA if through payroll), (2) tax-free investment growth, (3) tax-free withdrawals for qualified medical expenses. No other US account offers all three.

Q: Can I use my HSA as a retirement account?

Yes. After age 65, non-medical withdrawals are taxed as ordinary income (like a Traditional IRA) with no penalty. Unlike 401(k)s and IRAs, HSAs have no required minimum distributions (RMDs). The optimal strategy: pay medical expenses out of pocket, invest your HSA, reimburse yourself tax-free years later.

Q: What changed with OBBBA for HSAs in 2026?

OBBBA made three changes effective January 1, 2026: (1) all Bronze and Catastrophic marketplace plans are automatically HSA-eligible, (2) telehealth safe harbor made permanent, (3) Direct Primary Care arrangements payable from HSA up to $150/month individual or $300/month family.

Q: Can I contribute to an HSA after enrolling in Medicare?

No. Once enrolled in any Medicare part (including Part A), you cannot make new HSA contributions. Part A enrollment is retroactive up to 6 months — stop contributions 6 months before applying. You can still use existing HSA funds tax-free for qualified medical expenses including Medicare premiums.

Triple tax advantage: deductible contributions, tax-free growth, tax-free withdrawals. See your savings and retirement projection.

Annual HSA contribution

2026 limit: $4,400

Coverage type

Your age

55+ eligible for $1,000 catch-up

Filing status

Annual gross income

W-2 or self-employment income

State income tax rate

0% for TX, FL, WA, NV, etc.

Payroll deduction?

Payroll = extra FICA savings (7.65%)

State

CA and NJ don't recognize HSA tax benefits

—

HSA contributions reduce your MAGI — which can affect ACA marketplace subsidies, IRMAA surcharges, and other income-based thresholds. New for 2026 (OBBBA): All Bronze and Catastrophic marketplace plans are now HSA-eligible.

Try another scenario

How to Use This Calculator

Tab "HSA Tax Savings"

Enter your annual HSA contribution, coverage type, age, filing status, and income. The calculator shows your federal tax savings (based on your marginal bracket), state tax savings, and FICA savings if contributing through payroll. The "effective discount" tells you the real cost of every dollar you put in. If you're in California or New Jersey, state savings will show $0 — these states don't recognize HSA tax benefits.

Tab "HSA as Retirement"

Enter your current age, HSA balance, annual contribution, and expected return. The calculator projects your HSA at retirement and compares it to a taxable brokerage account with the same contributions. The key insight: HSA grows tax-free with no annual dividend drag and no capital gains tax at withdrawal for medical expenses. After 65, non-medical withdrawals are taxed as ordinary income (like a Traditional IRA) but with no RMDs — ever.

Tab "HSA vs FSA"

A side-by-side comparison of HSA and FSA for 2026. No inputs needed — the table compares contribution limits, rollover rules, investment options, portability, eligibility, and tax benefits. The verdict: HSA wins in almost every category, but requires an HDHP-qualifying health plan.

The Formulas

HSA Contribution Limits (2026, IRS Rev. Proc. 2025-19):
Self-only: $4,400
Family: $8,750
Catch-up (age 55+): +$1,000 (statutory, not indexed)

HDHP Requirements (2026):
Minimum deductible: $1,700 (self) / $3,400 (family)
Maximum out-of-pocket: $8,500 (self) / $17,000 (family)

Federal Tax Savings:
Savings = Contribution × Marginal Federal Rate
(HSA is an above-the-line deduction — reduces AGI regardless of itemizing)

State Tax Savings:
Savings = Contribution × State Rate
Exception: CA and NJ → $0 (non-conforming states)

FICA Savings (payroll deduction only):
Social Security: 6.2% on income up to $184,500 (2026)
Medicare: 1.45% on all income
Total FICA: 7.65%

HSA Growth (tax-free):
FV = Balance × (1 + r)ⁿ + PMT × [((1 + r)ⁿ − 1) / r]
No annual tax drag on dividends or capital gains — entire growth is tax-free

The triple tax advantage: (1) Contributions are tax-deductible (federal + state + FICA if through payroll), (2) investments grow tax-free, (3) withdrawals for qualified medical expenses are tax-free. No other account in the US tax code offers all three. After age 65, non-medical withdrawals are taxed as ordinary income — making the HSA function as a Traditional IRA with no RMDs.

Example

Marcus — Product Manager, Age 32, Single, $95,000 Income

Self-only HDHP through employer. Contributes the full $4,400 via payroll deduction. Lives in Texas (no state income tax). Plans to max out HSA every year until 65.

Annual HSA contribution$4,400

Marginal federal rate22%

Federal tax savings$968/year

State tax savings$0 (Texas)

FICA savings (payroll)$337/year

Total annual tax benefit$1,305/year

Effective discount29.7%

HSA at 65 (7% return)~$540,000

Taxable account equivalent~$470,000

HSA advantage~$70,000

Marcus pays $4,400 but his real cost is only $3,095 after tax savings. Over 33 years at 7%, his HSA grows to ~$540K tax-free — covering most of the $172,500 average retirement healthcare cost for a single person (Fidelity 2025). He uses his HSA receipts from decades of medical expenses to make tax-free withdrawals in retirement.

Frequently Asked Questions

What is the "triple tax advantage" of an HSA?▼

Three tax benefits in one account: (1) Tax-deductible contributions — reduces your federal and state taxable income, plus FICA taxes if contributed through payroll. (2) Tax-free growth — dividends, interest, and capital gains inside the HSA are never taxed. (3) Tax-free withdrawals for qualified medical expenses. No other account in the US tax code offers all three. A Roth IRA offers tax-free growth and withdrawal but contributions are not deductible. A Traditional IRA offers deductible contributions but withdrawals are taxed.

Can I use my HSA as a retirement account?▼

Yes — and it's arguably the best retirement account available. Before age 65, non-medical withdrawals are taxed as income plus a 20% penalty. After 65, the penalty disappears and non-medical withdrawals are taxed as ordinary income — exactly like a Traditional IRA withdrawal. But unlike a Traditional IRA or 401(k), HSAs have no required minimum distributions (RMDs). You can let the money grow indefinitely. The optimal strategy: pay medical expenses out of pocket, save receipts, let your HSA invest and compound, then reimburse yourself tax-free years or decades later.

What changed with OBBBA for HSAs in 2026?▼

The One Big Beautiful Bill Act (OBBBA) made three HSA changes effective January 1, 2026: (1) All Bronze and Catastrophic marketplace plans are now automatically HSA-eligible, regardless of whether they meet standard HDHP deductible requirements — a major expansion. (2) The telehealth safe harbor was made permanent — pre-deductible telehealth visits no longer disqualify HSA eligibility. (3) Direct Primary Care Service Arrangements (DPCSAs) can be paid from HSAs, up to $150/month (individual) or $300/month (family). See IRS Notice 2026-05 for details.

Can I contribute to an HSA after enrolling in Medicare?▼

No. Once you enroll in any part of Medicare — including Part A — you cannot make new HSA contributions. Critical detail: Medicare Part A enrollment is retroactive up to 6 months when you apply after age 65. If you made HSA contributions during that retroactive period, they become excess contributions subject to a 6% annual excise tax. To avoid this, stop HSA contributions at least 6 months before your Medicare application date. You can still use existing HSA funds tax-free for qualified medical expenses — including Medicare premiums (Parts B, D, and Medicare Advantage, but NOT Medigap).

Which states don't recognize HSA tax benefits?▼

Only California and New Jersey. In these states, HSA contributions are not deductible for state income tax, and investment earnings (interest, dividends, capital gains) inside the HSA are taxable at the state level. You still get the full federal tax benefits. If you live in CA or NJ, an HSA is still worth it for the federal deduction and tax-free growth at the federal level — but factor in the state tax when calculating your total benefit.

Related Calculators

Embed This Calculator

Free to embed on your website. Copy the code below: