Insurance Calculators

Health Savings Account (HSA) Savings Calculator

Use this calculator to help you determine how much your Health Savings Account (HSA) will be worth over time.

Inputs
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Estimates only. Adjust any value to recalculate instantly.

Results
HSA value in 20 years $180,497 $90,000 contributed · $90,497 tax-free growth
Total contributions $90,000
Tax-free growth $90,497
Projected balance $180,497
Growth multiple 2.01×
Contributions vs growth
Contributions vs growth Contributions: $90kTax-free growth: $90k
  • Contributions $90k
  • Tax-free growth $90k
HSA balance HSA balance
HSA balance: HSA balance $180k$135k$90k$45k$0 Yr 1Yr 4Yr 7Yr 10Yr 13Yr 16Yr 19

Paying current medical costs out of pocket and letting the HSA grow turns it into a stealth retirement account. After 65 it works like a traditional IRA for non-medical withdrawals — and stays tax-free for medical ones.

HSA balance by yearView table
YearContributionInterestBalance
1$4,300$498$8,798
2$4,300$786$13,884
3$4,300$1,091$19,275
4$4,300$1,414$24,989
5$4,300$1,757$31,047
6$4,300$2,121$37,468
7$4,300$2,506$44,274
8$4,300$2,914$51,488
9$4,300$3,347$59,135
10$4,300$3,806$67,241
11$4,300$4,292$75,834
12$4,300$4,808$84,942
13$4,300$5,355$94,596
14$4,300$5,934$104,830
15$4,300$6,548$115,678
16$4,300$7,199$127,177
17$4,300$7,889$139,365
18$4,300$8,620$152,285
19$4,300$9,395$165,980
20$4,300$10,217$180,497

How the health savings account (hsa) savings calculator works

It compounds your current HSA balance plus each year’s contribution at your expected return, all tax-free, and separates the ending balance into what you contributed and what growth added.

Worked example

Worked example: with current hsa balance of $4,000, annual contribution of $4,300 and years invested of 20, the hsa savings calculator shows hsa value in 20 years of $180,497.

Total contributions
$90,000
Tax-free growth
$90,497
Projected balance
$180,497
Growth multiple
2.01×

The formula

Each year: balance = (balance + annual contribution) × (1 + return). All growth and qualified withdrawals are tax-free.

Results are estimates for educational purposes and are not financial advice. Confirm exact figures with your lender, plan administrator or advisor.

Frequently asked

Questions about the health savings account (hsa) savings calculator

How does an HSA grow tax-free?

Once invested, an HSA’s gains are never taxed, and withdrawals for qualified medical expenses are tax-free at any age — making it the most tax-efficient account available.

What happens to my HSA after 65?

You can withdraw for any reason, paying only ordinary income tax on non-medical withdrawals — just like a traditional IRA. Medical withdrawals stay tax-free.

Should I save or spend my HSA?

If you can afford current medical bills out of pocket, leaving the HSA invested to compound tax-free usually builds far more wealth over time.

Is the Health Savings Account (HSA) Savings Calculator free to use?

Yes. Every calculator on FinCalculators is completely free, with no sign-up, login or paywall. You can run as many scenarios as you like.