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HSA Calculator | Tax Savings, Contribution Limits & Investment Growth

Maximize your Health Savings Account with detailed tax savings across federal, state, and FICA contributions. Covers 2024–2025 IRS limits, age-55 catch-up amounts, investment growth projection, and a side-by-side comparison of spending HSA funds now versus investing for retirement.

Instant Results100% FreeAny DeviceNo Sign-up
$4,300
2025 IRS Limit (self)
$4,300
Max Annual Contribution
Max: $4,300
FICA savings (7.65%)
0 = invest all; matches "invest" strategy

HSA Triple Tax Advantage Explained

The Health Savings Account is unique in offering three tax benefits simultaneously: (1) contributions are pre-tax, reducing your taxable income; (2) investment growth inside the account is tax-free; (3) qualified medical withdrawals are also tax-free. No other account provides all three benefits.

2025 HSA Contribution Limits

Coverage Type2024 Limit2025 Limit
Self-Only HDHP$4,150$4,300
Family HDHP$8,300$8,550
Catch-Up (age 55+)+$1,000+$1,000

HSA as a Retirement Account

After age 65, HSA funds can be withdrawn for any purpose (not just medical) and taxed as ordinary income — exactly like a traditional IRA. But for medical expenses, withdrawals remain tax-free forever. This makes the HSA the most tax-efficient account available if you can invest the contributions and pay current medical expenses out of pocket.

Key Rule: You must be enrolled in a qualified High-Deductible Health Plan (HDHP) to contribute to an HSA. In 2025, an HDHP requires a minimum deductible of $1,650 (self) / $3,300 (family) and out-of-pocket maximum of $8,300 / $16,600.

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