Health Savings Account (HSA) Calculator
A Health Savings Account (HSA) offers a unique triple tax advantage: tax-deductible contributions, tax-free compound growth, and tax-free withdrawals for qualified medical expenses.
Formula & Methodology
HSA Balance = Principal*(1+r)^t + Annual_Contribution * [((1+r)^t - 1) / r]ContributionTax-deductible contribution deposited annually (subject to US IRS limits).
Return (%)Expected rate of growth in invested HSA.
Practical Worked Example
A US worker contributes $4,150 annually to an invested HSA for 20 years at an 8% expected return in the 24% federal tax bracket.
Interpretation & Industry Benchmarks
The HSA is widely considered the single most tax-advantaged account in the US tax code.
Contributions reduce taxable income 1-for-1.
Industry Nuance: Must be enrolled in a High Deductible Health Plan (HDHP) to be eligible to contribute to an HSA.
Analytical Limitations
- US-specific calculator governed by US Internal Revenue Code Section 223.
Frequently Asked Questions
Why is an HSA called "triple tax-advantaged"?
1) Contributions are tax-deductible. 2) Growth inside the account is tax-free. 3) Withdrawals for qualified medical expenses are completely tax-free at any age.