HSA Calculator

HSA Calculator

Estimate HSA contribution limits, annual tax savings, and long-term investment growth for your Health Savings Account.

2026 contribution limit$4,300
Your contribution$4,300
Federal tax savings$946
State tax savings$258
FICA savings$329
Total annual tax savings$1,533
Projected balance in 20 years$176,281

Quick Answer

The HSA Calculator provides an educational estimate using the figures you enter. It is designed for taxpayers who want a fast planning view before preparing a return or meeting with a CPA.

How to Use This Calculator

  1. Enter your filing status and the requested income or expense amounts.
  2. Review the real-time estimate in the result summary.
  3. Use the result as a planning starting point and confirm your final return details.

The Formula & Math

HSA contributions are triple tax-advantaged: deductible on federal and most state returns, exempt from FICA when contributed through payroll, and tax-free when withdrawn for qualified medical expenses.

Real-World Example

A family contributing the 2026 maximum of $8,550 in the 22% federal bracket saves roughly $1,881 in federal tax, $513 in state tax (6%), and $654 in FICA — a total of $3,048 in annual tax savings.

FAQ

Is this an official IRS calculation?

No. It is an educational estimate and does not replace tax software, a filed return, or professional advice.

Does it include every tax rule?

No. Special deductions, credits, state rules, and changes in law can affect the final amount.

Which tax year does it use?

This calculator uses the stated 2026 planning assumptions where applicable.

When to Consult a CPA

  • Your income comes from a business, rental, investment, or multiple states.
  • You are making a major transaction or planning decision.
  • Your estimate differs materially from your withholding or prior-year return.