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Free online HSA calculator to estimate health savings account growth, tax savings, and future medical fund balance. Plan HSA contributions and withdrawals.
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Contributions to an HSA are pre-tax, lowering your federal, state, and FICA payroll tax base (if made via payroll deduction).
Annual Tax Savings = HSA Contribution × (Marginal Income Tax Rate + 7.65% FICA)HSA funds grow completely tax-free and withdrawals are tax-free when used for qualified medical expenses.
HSA Wealth Growth = Contributions + Interest/Investment Gains (tax-free)Sum of your personal pre-tax contributions and employer HSA cash matches, capped at the annual statutory limits.
Total HSA Funding = Personal Contribution + Employer Matching Contribution (must be <= IRS limit)Updated: July 2026
An individual earning $75,000 (22% tax bracket) maxing out their HSA in 2024 ($4,150 limit) via payroll deductions.
→ Tax savings: ~$1,230 (Income + FICA tax saved); Total HSA fund: $4,650
A family of four maxing out the family HSA ($8,300 in 2024), where the employer contributes a $1,000 wellness incentive.
→ Total HSA fund: $8,300 (maxed); Combined household tax savings: ~$2,310
Investing $4,000 annually in stock portfolios within the HSA over 25 years to build a massive tax-free healthcare retirement cushion.
→ Projected HSA balance: ~$273,000; Grow completely tax-free; No tax on qualified medical withdrawals
A Health Savings Account (HSA) is a triple tax-advantaged account available to individuals enrolled in a High-Deductible Health Plan (HDHP). This calculator estimates your HSA tax savings, employer matching, and long-term investment growth.