Is this HSA calculator free?

Yes — completely free with no registration required. All calculations happen instantly in your browser.

Yes — all calculations happen in your browser. NerdyTools does not store or transmit any of your inputs. Your data never leaves your device.

How accurate is this HSA calculator?

This calculator uses established formulas and verified figures checked against official sources.

Does this work on mobile?

Yes — fully responsive and works on any modern browser on desktop, tablet, or mobile. No app download needed.

💰 Finance & Money

HSA Calculator

See your 2026 contribution room, your tax savings, and what your HSA could grow to if invested long-term.

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HSA Calculator

Based on official 2026 IRS limits. You must be enrolled in a qualifying high-deductible health plan (HDHP) to contribute.

Your Age

Employer Contribution ($)

Your Planned Contribution ($)

Marginal Tax Bracket (%)

Years Until You'll Use the Funds

Expected Annual Return (%)

If you invest your HSA balance rather than holding cash

Please enter your age and planned contribution.

2026 Contribution Limit

Your Limit

Room Remaining

Tax Savings This Year

Catch-Up Eligible?

2026 IRS limits: $4,400 self-only / $8,750 family, plus $1,000 catch-up at age 55+. Limits include both your contributions and any employer contributions combined. HDHP minimum deductible: $1,700 self-only / $3,400 family.

What Is an HSA, and Why Is It Different From an FSA?

A Health Savings Account (HSA) is a tax-advantaged account available to anyone enrolled in a qualifying high-deductible health plan (HDHP). Unlike an FSA, HSA balances roll over indefinitely and stay with you even if you change jobs or insurance — there's no "use it or lose it" deadline.

2026 Contribution Limits

Self-only coverage: $4,400
Family coverage: $8,750
Catch-up (age 55+): additional $1,000

These limits, set annually by the IRS, include both your own contributions and anything your employer contributes — the combined total can't exceed the limit.

The Triple Tax Advantage

Tax-deductible contributions: reduces your taxable income for the year
Tax-free growth: investment gains inside the HSA aren't taxed
Tax-free withdrawals: for qualified medical expenses, at any age

No other account type offers all three tax benefits — not even a 401(k) or Roth IRA, which only offer two of the three.

How to Use This Calculator

Pick your coverage type, enter your age, and your planned contribution for the year. Add any employer contribution, since it counts toward the same combined limit. If you plan to invest the balance rather than spend it on near-term medical costs, add a time horizon and expected return to see the long-term growth potential.

HSAs as a Stealth Retirement Account

Many financial planners treat HSAs as a retirement vehicle, not just a medical expense account. After age 65, you can withdraw funds for any purpose without the 20% penalty — you'll just pay regular income tax, similar to a traditional IRA. For qualified medical expenses, withdrawals remain tax-free at any age, including in retirement.

💡 If you can afford to pay current medical expenses out of pocket, leaving your HSA balance invested and untouched lets the triple tax advantage compound for decades — keep your receipts, since you can reimburse yourself tax-free anytime in the future.

HDHP Eligibility Requirements

To contribute, your health plan must meet 2026 minimum deductible thresholds: at least $1,700 for self-only coverage or $3,400 for family coverage, with maximum out-of-pocket limits of $8,500 and $17,000 respectively. You also can't be enrolled in Medicare or claimed as a dependent on someone else's return.

What Happens If You Overcontribute

Excess contributions are subject to a 6% excise tax per year until corrected, on top of regular income tax on the excess amount when eventually withdrawn improperly. If you discover an overcontribution, withdrawing the excess (plus any earnings on it) before your tax filing deadline avoids the penalty.

Where This Fits Your Bigger Picture

HSA contributions reduce your taxable income similarly to a 401(k) contribution. If you're maximizing tax-advantaged accounts, compare your overall savings rate using our savings goal calculator and check your retirement calculator projections alongside it.

Frequently Asked Questions

What's the 2026 HSA contribution limit?

$4,400 for self-only coverage and $8,750 for family coverage, plus an additional $1,000 catch-up contribution for those 55 and older.

Do employer contributions count toward my limit?

Yes — the IRS limit applies to the combined total of your contributions and your employer's, not to each separately.

Can I use HSA funds for anything other than medical expenses?

Before age 65, non-medical withdrawals are subject to income tax plus a 20% penalty. After 65, you can withdraw for any purpose and only pay regular income tax — qualified medical withdrawals remain tax-free at any age.

Does HSA money expire at the end of the year?

No — unlike a Flexible Spending Account (FSA), HSA balances roll over indefinitely and remain yours even if you change employers or health plans.

Can I invest my HSA balance?

Most HSA providers let you invest balances above a certain cash threshold in mutual funds or similar options, similar to a 401(k) — check your specific provider's investment menu.

What happens to my HSA if I switch to a non-HDHP plan?

You keep the account and existing balance, but you can no longer make new contributions until you're enrolled in a qualifying HDHP again.

Can both spouses have HSA catch-up contributions?

Yes, if both are 55 or older, but each spouse's $1,000 catch-up must go into their own separate HSA — it can't be combined into one account.

Is an HSA better than an FSA?

For long-term savings, generally yes — HSAs roll over indefinitely and offer investment growth, while FSAs are typically use-it-or-lose-it within the plan year. However, you need an HDHP to qualify for an HSA in the first place.