HSA Calculator
What will my HSA be worth?
Visualize the growth of your Health Savings Account as an investment vehicle.
Use This Calculator in Minutes
Project long-term HSA wealth and tax benefits using contribution, spending, and return assumptions.
Common calculations
- Model retirement-age HSA balance from current inputs
- Compare growth with and without annual withdrawals
- Estimate tax savings from annual contributions
You get
- Projected HSA balance at retirement
- Estimated total tax savings
- Contribution vs growth breakdown over time
Quick Result
Projected HSA balance at age 65
$718,682.44
Estimated tax savings: $34,860.00
Based on
- • Current age 30, retirement age 65
- • Annual contribution $4,150.00 + employer $500.00
- • Annual return assumption 7%
- • Annual medical spending $0.00
Account Details
2024 limits: 4,150 self / 8,300 family
Growth and Spending
Projected HSA Balance
At age 65
Account Growth
Your Contributions
$150,250.00
Investment Growth
+$550,932.44
Tax Savings
$34,860.00
This tool is for illustrative purposes only and does not constitute professional financial, tax, or legal advice. Calculations are estimates and may not reflect real-world variables or local regulations. Always consult with a qualified professional before making financial decisions.
Methodology and Trust
Formulas
Annual tax savings
Tax Savings = Annual Contribution × Marginal Tax Rate
Growth approximation
Growth = (Balance + (Net Contribution / 2)) × Annual Return
Year-end balance
New Balance = Prior Balance + Growth + Contributions - Spend
Recommended Next Steps
Continue your journey with these related tools
The Stealth IRA: Maximizing Your HSA
Key Insights & Concepts
The Health Savings Account (HSA) is widely misunderstood. Most people treat it as a spending account - money goes in, doctor gets paid, balance goes to zero.
But for the financially savvy, the HSA is not a spending account. It is the ultimate retirement investment vehicle, surpassing even the 401(k) and Roth IRA in tax efficiency.
The Triple Tax Advantage
The HSA is the only account in the U.S. tax code that offers three tax breaks:
- Tax Deduction: Contributions reduce taxable income.
- Tax-Free Growth: Investments compound without annual tax drag.
- Tax-Free Withdrawal: Qualified medical withdrawals are tax-free.
The Shoebox Strategy
To maximize long-term value, many savers pay current medical bills out-of-pocket and preserve HSA receipts for future reimbursement while the account compounds.
What if I have low medical spending?
After age 65, non-medical withdrawals are allowed without penalty (taxed as ordinary income), making HSA assets a flexible retirement backup.
FICA Bonus
Payroll-deducted HSA contributions may also avoid FICA tax, improving tax efficiency versus many other retirement contributions.
Investment Options
Modern HSA providers offer investment menus, allowing long-horizon money to compound in diversified funds instead of sitting in low-yield cash.