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🧮 Free Tool — Updated 2026

HSA Tax Savings Calculator

See your exact annual tax savings from HSA contributions. Most self-employed Americans are surprised how much they're leaving on the table.

Why it matters
The triple tax advantage — explained

An HSA is the only account in the US tax code with three separate tax benefits. Understanding all three shows why it's the most powerful savings tool most freelancers aren't using.

1️⃣
Contributions are pre-tax

Every dollar you contribute reduces your taxable income dollar-for-dollar. At the $4,400 individual limit, someone in the 22% bracket saves $946 in federal taxes alone.

2️⃣
Growth is tax-free

Invest your HSA balance in index funds and every dollar of growth — dividends, capital gains, interest — is completely tax-free. Unlike a brokerage account, you never owe taxes on gains.

3️⃣
Withdrawals are tax-free

Use your HSA funds for any qualified medical expense — doctor visits, prescriptions, dental, vision — and you pay zero tax on the withdrawal. After 65, withdraw for anything penalty-free.

📈 10-year HSA growth projection
Assuming $4,400/year contribution, 7% annual investment return (S&P 500 historical average), zero withdrawals
Year 1
$4,601
$4,601
Year 2
$9,544
$9,544
Year 3
$14,853
$14,853
Year 5
$26,418
$26,418
Year 10
$63,105
$63,105
Year 20
$187,920
$187,920
2026 reference
Federal tax brackets — single filers

Your HSA deduction saves you money at your marginal rate — the bracket your top dollar of income falls into.

Tax bracketTaxable income (single)HSA savings on $4,400
10%Up to $11,600$430
12%$11,601 – $44,725$516
22% ← most freelancers$44,726 – $95,375$946
24%$95,376 – $182,050$1,032
32%$182,051 – $231,250$1,376
35%$231,251 – $578,125$1,505
37%Over $578,125$1,591
Common questions
Calculator FAQ
Why does the calculator show two savings amounts? +
Self-employed people pay both income tax AND self-employment tax (15.3% — the employer + employee share of Social Security and Medicare). HSA contributions reduce your net self-employment income, saving you both. The calculator shows them separately so you understand exactly where the savings come from.
Does the calculator include state tax savings? +
No — state tax treatment of HSAs varies. Most states follow federal rules and also exempt HSA contributions from state income tax, adding another 3–13% in savings depending on your state. California and New Jersey are notable exceptions — they tax HSA contributions at the state level.
What investment return does the growth calculator assume? +
The 10-year projection assumes 7% annual return, which reflects the S&P 500's historical average after inflation. Actual returns will vary. This projection is for illustrative purposes and not a guarantee of future performance.
Can I contribute to an HSA and an IRA in the same year? +
Yes. HSA contributions and IRA contributions are completely separate limits. You can max out both in the same year. For self-employed people, you can also contribute to a SEP-IRA or Solo 401(k) on top of both.
🧮 Your HSA tax savings
Your total income before taxes and deductions
Max 2026: $4,400 individual · $8,750 family
Self-employed people save on SE tax too
Total estimated annual savings
$1,553
Federal income tax + self-employment tax
Federal income tax
$946
SE tax savings
$607
Tax bracket
22%
10-year tax-free growth
$63,105
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