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Annual HSA Contribution Calculator

Use this tool to calculate the maximum HSA contribution you may make based upon your HDHP coverage type and how much of the year you are/will be covered by an HDHP. This calculator assumes a January to December standard tax year.

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We need to know a little bit about your high deductible health plan (HDHP).

Please answer the questions below.

What is the tax year?
What is your HDHP coverage type?
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Next, we'll need to know some information about your eligibility.

Please answer the questions below.

Will you be/were you HDHP eligible on December 1st??
Based on the 'last-month rule,' if you are an eligible individual on the first day of the last month of your tax year (December 1 for most taxpayers), you are considered to be an eligible individual for the entire year.
In which month did you or will you start your HDHP coverage?
In which month did you or will you terminate your HDHP coverage?
Are you/will you be 55 and older and make a catch-up contribution?
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We've calculated your maximum HSA contribution for the year

See below

  • Annual Contribution Amount
  • Catch-up Amount
  • Allowed Annual Contribution
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We also generated your monthly eligibility breakdown

See below

Important information regarding change of coverage and the 'last month rule'

If you are an eligible individual for the entire year and did not change your type of coverage, you can contribute the full amount based on your type of coverage. However, if you were not an eligible individual for the entire year or changed your coverage during the year, your contribution limit is the greater of:

1.     The limitation shown on the last line of the Line 3 Limitation Chart and Worksheet in the Instructions for Form 8889, Health Savings Accounts (HSAs), or

2.     The maximum annual HSA contribution based on your HDHP coverage (self-only or family) on the first day of the last month of your tax year.

If you had family HDHP coverage on the first day of the last month of your tax year, your contribution limit for  that tax year is the family limit even if you changed coverage during the year.

Last-month rule.   Under the last-month rule, if you are an eligible individual on the first day of the last month of your tax year (December 1 for most taxpayers), you are considered an eligible individual for the entire year. You are treated as having the same HDHP coverage for the entire year as you had on the first day of that last month.

Testing period.   If contributions were made to your HSA based on you being an eligible individual for the entire year under the last-month rule, you must remain an eligible individual during the testing period. For the last-month rule, the testing period begins with the last month of your tax year and ends on the last day of the 12th month following that month. For example, December 1, 2011, through December 31, 2012.

If you fail to remain an eligible individual during the testing period, other than because of death or becoming disabled, you will have to include in income the total contributions made to your HSA that would not have been made except for the last-month rule. You include this amount in your income in the year in which you fail to be an eligible individual. This amount is also subject to a 10% additional tax. The income and additional tax are shown on Form 8889, Part III.

[Portal:PortalName] does not provide tax or accounting advice. Please consult an accountant or tax advisor for professional advice on these areas.

Eligible Expenses?

Do you know which expenses are eligible for purchase with your HSA?.

Ready to Enroll?

If you've made the decision that an HSA is right for you, then you may apply online.

How much can I contribute?

The only way to get the maximum tax deduction for your HSA is to maximize your contributions.