HSA Contribution Calculator
How much to put in, and what it saves you in tax.
Enter your values
Choose one of: Self-only, Family.
Enter the your age in yr.
Enter the contributed so far this year in $.
Enter the employer contribution in $.
Enter the pay periods left this year you are working with.
Enter the marginal income tax rate in %.
Enter the state tax rate in %.
Results update instantly as you type — no submit needed. Your values are remembered on this device, and the shareable link reopens the calculator with exactly these numbers.
- Your contribution limit
- $8,300.00
- Remaining allowance
- $5,350.00
- Per paycheck
- $382.14
- Tax saved on the remaining amount
- $1,960.77
- Effective cost of contributing
- $3,389.23
- Catch-up included
- No
Quick answer
HSA money is triple tax-advantaged — deductible going in, tax-free while invested and tax-free for qualified medical costs — which is why it beats most accounts.
Per paycheck = (limit − contributed) ÷ pay periods left
At a glance
| What it does | How much to put in, and what it saves you in tax. |
|---|---|
| Category | Finance |
| Inputs needed | Coverage, Your age, Contributed so far this year, Employer contribution, Pay periods left this year, Marginal income tax rate, State tax rate |
| Main output | Your contribution limit |
| Formula | Per paycheck = (limit − contributed) ÷ pay periods left |
| Cost | Free — no sign-up, no download |
How to use the HSA Contribution Calculator
- 1Choose self-only or family coverage.
- 2Enter what you and your employer have already contributed.
- 3Enter pay periods left and your marginal tax rates.
Inputs explained
- Coverage
- Choose one of: Self-only, Family.
- Your age(yr)
- Enter the your age in yr.
- Contributed so far this year($)
- Enter the contributed so far this year in $.
- Employer contribution($)
- Enter the employer contribution in $.
- Pay periods left this year
- Enter the pay periods left this year you are working with.
- Marginal income tax rate(%)
- Enter the marginal income tax rate in %.
- State tax rate(%)
- Enter the state tax rate in %.
Worked example
Using the values the calculator loads with:
Inputs
- CoverageFamily
- Your age42 yr
- Contributed so far this year2200 $
- Employer contribution750 $
- Pay periods left this year14
- Marginal income tax rate24 %
- State tax rate5 %
Results
- Your contribution limit$8,300.00
- Remaining allowance$5,350.00
- Per paycheck$382.14
- Tax saved on the remaining amount$1,960.77
- Effective cost of contributing$3,389.23
- Catch-up includedNo
Frequently asked questions
Do payroll contributions save more?
Yes — contributions through payroll also avoid the 7.65% Social Security and Medicare tax, which a direct deposit later in the year does not.
Can I invest HSA money?
Most providers allow investing above a cash threshold. Paying current medical costs out of pocket and letting the HSA grow is the highest-value strategy.
What do I need to enter into the HSA Contribution Calculator?
Just 7 values: coverage, your age, contributed so far this year, employer contribution, pay periods left this year, marginal income tax rate, state tax rate. Every field starts with a realistic example, so you can change one number at a time and watch the result update instantly.
How does the HSA Contribution Calculator work out the answer?
HSA money is triple tax-advantaged — deductible going in, tax-free while invested and tax-free for qualified medical costs — which is why it beats most accounts. It applies the formula Per paycheck = (limit − contributed) ÷ pay periods left and shows the working so you can check each step by hand.
Is the HSA Contribution Calculator free, and do I need an account?
It is completely free with no sign-up, no download and no usage limit. Everything is calculated in your browser, so the numbers you type never leave your device.
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.