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HSA Contribution Calculator

Yearly contribution allowed and tax savings.

Compute the maximum allowed Health Savings Account (HSA) contribution for the year and the federal tax savings, given coverage type and your marginal tax rate.

Published Last reviewed 1 min read

Inputs

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Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

Limit = base + (age ≥ 55 ? $1,000 catch-up : 0). Tax savings = contribution × marginal tax rate.

In depth

Compute the maximum allowed Health Savings Account (HSA) contribution for the year and the federal tax savings, given coverage type and your marginal tax rate.