HSA Tax Savings Calculator
Tax saved = contribution × marginal tax bracket. Triple tax advantage with HDHP.
Result
Annual tax savings
$1,438
34.7% effective marginal saved.
- Contribution$4,150
- Federal rate22.0%
- State rate5.0%
- FICA savings7.65% (payroll deduction)
- Total marginal34.65%
- Tax saved$1,438
- Net cost of contribution$2,712
Step-by-step
- HSA contribution: $4150.
- Marginal rate = federal + state + FICA = 34.7%.
- Tax saved = $4150 × 0.3465 = $1,438.
How to use this calculator
- Enter contribution amount.
- Enter your federal + state marginal rates.
- Toggle FICA savings (employee plan = yes).
About this calculator
HSA (Health Savings Account, requires HDHP enrollment) has unique triple tax advantage: contributions tax-deductible, growth tax-free, withdrawals tax-free for qualified medical. Employer payroll deduction also avoids 7.65% FICA. 2025 contribution limits: $4,300 single / $8,550 family + $1,000 catch-up if 55+. Unused balance rolls over forever (vs. FSA which is "use or lose"). Best retirement vehicle for medical expenses.
Frequently asked
Must be enrolled in High-Deductible Health Plan: ≥$1,650 single / $3,300 family deductible (2025 limits).
Related calculators
FSA Tax Savings Calculator
Tax saved = contribution × marginal rate. Use-it-or-lose-it (with $640 max carryover 2025).
Health Plan: Deductible vs Premium
Total annual cost = premiums × 12 + expected medical × cost-share until OOPM.
ACA Subsidy Estimator
Premium tax credit caps benchmark Silver plan at 0-8.5% of income (sliding scale).
COBRA vs ACA Marketplace Cost
COBRA = full premium + 2% admin. Marketplace = unsubsidized premium with possible subsidy.
Insurance Bundling Savings
Auto + Home from same carrier typically saves 5-25%.
Life Insurance Cash Surrender Value
Cash surrender = cash value − surrender charges. Estimate before cancelling permanent policy.