HSA Calculator

The HSA Triple Tax Advantage in 2026

The HSA is the only account in the US tax code with a triple tax advantage:

1. Contributions are pre-tax (payroll) or tax-deductible (direct contribution) — saving federal, state, and FICA taxes
2. Growth is completely tax-free
3. Withdrawals for qualified medical expenses are 100% tax-free

A 22% bracket household maxing the family HSA ($8,750 in 2026) saves $1,925 in federal income tax alone — plus $669 in FICA if contributed through payroll. That’s $2,594 in tax savings in a single year.

The Receipt Bank Strategy

The HSA’s most powerful feature: there’s no deadline for reimbursing yourself. Pay every medical expense out-of-pocket, save receipts, and let your HSA compound invested for 20+ years. Then reimburse yourself in retirement for decades of accumulated medical expenses — tax-free. On $30,000 in out-of-pocket medical expenses over 20 years, that’s $30,000 you can pull tax-free from an account that’s been growing at 7% the entire time.

2026 Qualifying HDHP Requirements

To contribute to an HSA, your health plan must be an HDHP with: minimum deductible of $1,700 (self) / $3,400 (family), and maximum out-of-pocket of $8,500 (self) / $17,000 (family). Open enrollment is the time to switch to an HDHP — run the premium-vs-deductible math using our calculator. If you’re healthy and can afford the higher deductible, the HSA contribution tax savings often more than offset the deductible difference.

See how your HSA compounded over 20 years with our Compound Interest Calculator.