2027 HSA tax savings calculator
Choose self-only or family coverage, say whether you are 55 or older, and enter your tax bracket. The calculator shows your 2027 HSA contribution limit and an estimate of the income tax and payroll tax you save by using it.
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Estimated 2027 tax savings
$1,334
Your 2027 limit is $4,500 for self-only coverage. Contributions from your employer count toward that limit.
$4,500 saved in the account cuts your income tax by about $990, and payroll deductions also avoid about $344 in Social Security and Medicare tax.
A rough estimate, not tax advice. It assumes you can contribute for all 12 months of 2027: an HSA works only with a high deductible health plan (or a marketplace bronze or catastrophic plan), and not once you are enrolled in Medicare. If you qualify for fewer months, your limit and savings may be lower, and the last month rule may apply. Social Security tax stops once your wages pass a yearly limit, so payroll savings can be smaller for high earners. A few states give no state tax break for HSA money; enter 0 as your state rate if yours is one of them.
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This is an estimate for general information, not an insurance quote or advice. Confirm dates and costs with your plan, your marketplace or Medicare.
How is the estimate worked out?
The limit is the IRS amount for 2027: $4,500 for self-only coverage or $9,000 for family coverage, plus $1,000 if you are 55 or older by the end of the year. Money you put in lowers your taxable income, so the saving is the amount contributed times your federal and state tax rates. If the money comes out of your paycheck through your employer's plan, you also skip the 7.65% Social Security and Medicare payroll tax on it, as long as your pay is below the Social Security wage base. At the 32% bracket and above, the calculator counts only the 1.45% Medicare part, because Social Security tax is usually already capped.
What does it leave out?
Tax rules for your whole return, such as credits and the effect of the extra income on your bracket, and any employer contribution, which counts toward the same limit. It assumes you can contribute for all 12 months of the year; if you qualify for fewer, your limit may be lower and the last month rule may apply. It also does not check that your plan qualifies. You need a high deductible health plan, or a marketplace bronze or catastrophic plan, and you cannot contribute for months you are enrolled in Medicare. Ask a tax professional about your own return.
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Common questions
What is the 2027 HSA contribution limit?
$4,500 for self-only coverage and $9,000 for family coverage. People 55 or older can add $1,000.
Is the HSA saving a guaranteed amount?
No. It is an estimate based on the tax rates you enter. Your real saving depends on your whole tax return and your state's rules.
Do employer contributions count toward the limit?
Yes. What your employer puts in counts toward your yearly limit, so subtract it before you decide how much to add yourself.