HSA Contribution Calculator
Calculate your 2026 HSA contribution limits and see exactly how much you will save in federal, state, and FICA taxes. Current limits: $4,400 self-only / $8,750 family.
Your Profile
Contribution Details
Contribution Breakdown
Total: $4,400 of $4,400
saved per year by contributing $4,400 to your HSA
Federal Tax Savings
Bracket: 22%
$968
FICA Tax Savings
Rate: 7.65%
$337
State Savings (TX)
No state income tax
$0
Monthly Paycheck Impact
You save $109/mo in taxes
2026 Key Limits at a Glance
Self-Only
$4,400
Annual limit
Family
$8,750
Annual limit
Catch-Up (55+)
+$1,000
Extra per person
Deadline
Apr 15
2027 filing date
How to Use This Calculator
Select coverage type and age
Choose self-only or family HDHP coverage, and enter your age. If you are 55 or older, your contribution limit automatically increases by the $1,000 catch-up allowance.
Enter income and filing status
Use the slider or type your annual gross income and pick your tax filing status. The calculator uses your marginal federal tax bracket and your state's income tax rate to compute savings.
Add employer contribution
If your employer contributes to your HSA, enter that amount. The calculator subtracts it from the annual maximum to show how much room you have left for personal contributions.
Adjust your desired contribution
Slide or type the amount you plan to contribute. The results panel updates instantly to show your federal, FICA, and state tax savings, the real cost to your monthly paycheck, and how much more you could save by maxing out.
Understanding HSA Contribution Limits for 2026
Every year the IRS announces new contribution limits for Health Savings Accounts, adjusting them upward based on inflation. These limits cap the total amount that can go into an HSA from all sources - your own contributions, employer contributions, and contributions from any other person - combined. Understanding how these limits work is essential for anyone who wants to fully leverage the triple-tax advantage that makes HSAs one of the most powerful savings vehicles in the U.S. tax code.
Current Year Limits
For the 2026 tax year, the IRS has set the HSA contribution limit at $4,400 for individuals with self-only HDHP coverage and $8,750 for individuals with family HDHP coverage. These figures represent modest increases from the prior year, reflecting annual cost-of-living adjustments that the IRS applies to keep pace with healthcare inflation.
Did you know?
These limits apply to the account, not the individual alone. If your employer deposits $1,500 into your HSA and you have self-only coverage, you can only contribute an additional $2,900 yourself for that year. Exceeding the combined limit triggers a 6% excise tax on the excess for every year it remains in the account.
Catch-Up Contributions for Age 55+
Individuals who are age 55 or older at any point during the calendar year can make an additional $1,000 catch-up contribution above the standard limit. Unlike the base contribution limits, the catch-up amount is not indexed for inflation and has remained at $1,000 since the provision was introduced. This means a 57-year-old with self-only coverage in 2026 can contribute up to $5,400, while a 57-year-old with family coverage can contribute up to $9,750.
Catch-up contributions must go into the individual's own HSA. One spouse cannot make catch-up contributions on behalf of the other. If both spouses are 55 or older, each can contribute an extra $1,000 to their respective individual HSAs, potentially adding $2,000 per household above the family limit.
Employer Contribution Rules
Employer HSA contributions are a valuable benefit, but they come with specific rules. Any amount your employer contributes counts toward the annual IRS limit. On the positive side, employer contributions are excluded from your gross income and are not subject to federal income tax, Social Security tax, or Medicare tax. In most states, they are also exempt from state income tax, making them more tax-efficient than salary-based contributions in states that do not recognize the HSA deduction (notably California and New Jersey).
Pro tip
Employer contributions are not subject to FICA taxes, making them more tax-efficient than salary-based contributions. Ask your HR department whether your company offers direct HSA contributions as part of its benefits package - many employers contribute between $500 and $2,000 per year.
Employers are subject to comparability rules under Section 4980G of the Internal Revenue Code. This means that if an employer makes HSA contributions for any employees, it must contribute comparable amounts for all eligible employees in the same category (full-time, part-time, self-only, or family). However, these rules apply only to non-cafeteria-plan employer contributions. Contributions made through a Section 125 cafeteria plan are exempt from comparability rules.
Pro-Rata Calculations for Mid-Year Eligibility
If you do not have HDHP coverage for the entire year - for example, you switch from a traditional plan to an HDHP in July - your contribution limit is generally prorated based on the number of months you were an eligible individual. The IRS uses a first-of-the-month rule: you are considered eligible for a given month if you are an eligible individual on the first day of that month. So if you enroll in an HDHP on March 15, you are not considered eligible for March (you were not covered on March 1), but you are eligible starting in April.
Example
If you had self-only HDHP coverage for 8 months of 2026, your prorated limit would be $2,933 (8/12 of the full annual limit). The catch-up contribution is also prorated using the same month-based formula.
The Last-Month Rule
The IRS provides an alternative to pro-rating through the "last-month rule." If you are an eligible individual on the first day of the last month of the tax year (December 1 for calendar-year taxpayers), you are treated as if you were eligible for the entire year and can contribute the full annual maximum. This can be extremely valuable if you gained HDHP coverage partway through the year.
Important
The last-month rule comes with a 13-month testing period - from December 1 of the current year through December 31 of the following year. If you fail the testing period (for example, by switching to a non-HDHP plan), the excess contribution is included in your gross income and subject to a 10% additional tax. Plan carefully before relying on this rule.
However, the last-month rule comes with a testing period. You must remain an eligible individual for a 13-month testing period - from December 1 of the current year through December 31 of the following year. If you fail the testing period (for example, by switching to a non-HDHP plan in June of the next year), the amount of your contribution that exceeded the prorated limit is included in your gross income and subject to a 10% additional tax. It is critical to plan ahead before relying on the last-month rule.
Contribution Deadline
You do not have to complete your HSA contributions by December 31 of the tax year. The IRS allows you to contribute up until your tax filing deadline - typically April 15 of the following year - and designate those contributions as applying to the prior tax year. For the 2026 tax year, this means you can make contributions anytime from January 1, 2026 through April 15, 2027.
Did you know?
When making contributions during the overlap period (January through April), be sure to clearly designate the tax year with your HSA custodian. Most HSA providers have an option on the contribution form or website to specify whether a deposit applies to the current or prior tax year.
This extended window is particularly useful if you receive a year-end bonus, tax refund, or other lump sum early in the new year that you want to put toward last year's HSA. When making contributions during the overlap period (January through April), be sure to clearly designate the tax year with your HSA custodian. Most HSA providers have an option on the contribution form or website to specify whether a deposit applies to the current or prior tax year.
Historical HSA Contribution Limits (2020-2026)
| Year | Self-Only | Family | Catch-Up (55+) |
|---|---|---|---|
| 2020 | $3,550 | $7,100 | +$1,000 |
| 2021 | $3,600 | $7,200 | +$1,000 |
| 2022 | $3,650 | $7,300 | +$1,000 |
| 2023 | $3,850 | $7,750 | +$1,000 |
| 2024 | $4,150 | $8,300 | +$1,000 |
| 2025 | $4,300 | $8,550 | +$1,000 |
| 2026Current | $4,400 | $8,750 | +$1,000 |
Frequently Asked Questions
What happens if I over-contribute to my HSA?
If you contribute more than the IRS-allowed maximum to your HSA, the excess amount is subject to a 6% excise tax for each year it remains in the account. To avoid this penalty, you must withdraw the excess contributions, plus any earnings attributable to those excess contributions, before the tax filing deadline (including extensions) for the year in which the over-contribution occurred. The withdrawn earnings will be included in your gross income and taxed at your ordinary income rate. If you do not correct the excess by the deadline, the 6% penalty continues to apply each year the excess remains. Common causes of over-contributions include employer plan changes mid-year, contributing to two HSAs, or failing to account for employer contributions toward the annual limit.
When is the deadline to contribute to my HSA?
You have until the tax filing deadline, typically April 15 of the following year, to make HSA contributions that count toward the prior tax year. For example, contributions for the 2026 tax year can be made anytime between January 1, 2026 and April 15, 2027. This extended window gives you extra time to maximize your contributions if you were unable to contribute the full amount through payroll deductions during the calendar year. Be sure to designate the correct tax year with your HSA custodian when making contributions during the overlap period (January 1 through April 15) so the funds are applied to the intended year.
Do HSA contributions roll over?
Yes, this is one of the key advantages of an HSA over a Flexible Spending Account (FSA). There is no "use it or lose it" rule with an HSA. Every dollar you contribute rolls over from year to year indefinitely. Your HSA balance carries forward whether you change jobs, switch health plans, or even lose your HSA eligibility. The funds remain yours and can be invested and grown tax-free over time. Many financial advisors recommend treating your HSA as a long-term retirement savings vehicle: contribute the maximum, invest the balance, pay current medical expenses out of pocket if possible, and let the HSA compound tax-free for decades.
Can both spouses contribute to an HSA?
Yes, but the rules depend on your coverage type. If both spouses have self-only HDHP coverage, each spouse can contribute up to the self-only limit ($4,400 for 2026) to their own individual HSA. If either spouse has family HDHP coverage, the combined contributions across both spouses' HSAs cannot exceed the family limit ($8,750 for 2026). The spouses can split the family limit between their individual HSAs however they choose. Each spouse who is 55 or older can make an additional $1,000 catch-up contribution to their own HSA. Catch-up contributions are always made to the individual's own account and cannot be shared. It is important to coordinate with your spouse to ensure you do not accidentally exceed the combined limit.
How do catch-up contributions work?
If you are age 55 or older at any point during the calendar year, you can contribute an additional $1,000 per year to your HSA above the standard contribution limit. This catch-up amount has remained at $1,000 since catch-up contributions were introduced and is not adjusted for inflation. The catch-up contribution must be made to your own individual HSA. You cannot contribute a catch-up amount to a spouse's account. For 2026, this means an eligible individual age 55 or older with self-only coverage can contribute up to $5,400 ($4,400 + $1,000), and with family coverage up to $9,750 ($8,750 + $1,000). Once you enroll in Medicare, you can no longer make catch-up (or any) contributions, so the years between 55 and 65 represent a critical window for maximizing your HSA balance before retirement.
Can my employer contribute to my HSA?
Yes. Employer contributions are a common HSA benefit and are treated favorably by the IRS. Employer contributions are excluded from your gross income and are not subject to federal income tax, FICA tax, or (in most states) state income tax. However, employer contributions count toward the same annual IRS limit. For 2026, the total of your personal contributions plus your employer's contributions cannot exceed $4,400 (self-only) or $8,750 (family). If you are 55 or older, the extra $1,000 catch-up allowance is available only for your own additional contributions. Your employer cannot make catch-up contributions on your behalf. Many employers offer HSA contributions as part of their benefits package, often contributing between $500 and $2,000 per year, which effectively reduces the amount you need to contribute out of pocket to reach the maximum.
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Simulate GrowthDisclaimer: This calculator provides general estimates based on 2026 IRS guidelines and publicly available federal and state tax rates. It is intended for educational and informational purposes only and does not constitute tax, legal, or financial advice. Actual tax savings may vary based on your complete tax situation, deductions, credits, and other factors not captured here. State tax rates shown are approximate top marginal rates and may not reflect your actual state tax liability. Consult a qualified tax professional before making decisions about your Health Savings Account contributions. HSA Orbit is not responsible for any actions taken based on the results of this calculator.