HSA Tax Savings Calculator
Calculate the triple tax advantage of your Health Savings Account for 2026. See your income tax savings from the contribution deduction, FICA savings if contributed through employer payroll, and projected tax-free growth over time.
HSA Contribution
2026 HSA Contribution Limits
Triple Tax Advantage — Annual Savings
Effective return of 30% on your $4,150 contribution from tax savings alone
Tax-Free Growth Projection
| Year | Total Contributed | Balance | Tax-Free Growth |
|---|---|---|---|
| 1 | $4,150 | $4,441 | $291 |
| 2 | $8,300 | $9,192 | $892 |
| 3 | $12,450 | $14,276 | $1,826 |
| 4 | $16,600 | $19,716 | $3,116 |
| 5 | $20,750 | $25,536 | $4,786 |
| 10 | $41,500 | $61,352 | $19,852 |
| 15 | $62,250 | $111,585 | $49,335 |
| 20 | $83,000 | $182,040 | $99,040 |
Assumes $4,150/yr contributions with 7% annual returns. Actual growth will vary. Withdrawals for qualified medical expenses are tax-free at any age.
Estimated Lifetime Tax Savings
The HSA Triple Tax Advantage
A Health Savings Account (HSA) is the only account in the tax code with a triple tax advantage: tax-deductible contributions, tax-free growth, and tax-free withdrawals for qualified medical expenses.
2026 HSA Contribution Limits
- Self-only coverage: $4,300
- Family coverage: $8,550
- Catch-up contribution (age 55+): Additional $1,000
The Three Tax Benefits
- Tax #1 — Income tax deduction: HSA contributions reduce your taxable income, saving you at your marginal tax rate (federal + state)
- Tax #2 — FICA savings:If contributed through employer payroll (Section 125 cafeteria plan), HSA contributions are exempt from Social Security (6.2%) and Medicare (1.45%) taxes — saving an additional 7.65%
- Tax #3 — Tax-free growth: Investment gains in your HSA are never taxed if used for qualified medical expenses. Unlike a Roth IRA, there is no income limit for contributions
HSA as a stealth retirement account:After age 65, you can withdraw HSA funds for any purpose (not just medical) and pay only ordinary income tax — similar to a traditional IRA. This makes maxing out your HSA a powerful retirement strategy, especially if you can pay current medical expenses out of pocket and let the HSA grow.
State tax treatment: Most states follow federal HSA treatment, but California and New Jersey do not allow HSA deductions, and you must pay state tax on HSA earnings in those states.