Substantial Presence Test Calculator
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Substantial Presence Test Calculator

If you spend part of the year in the United States, the IRS may consider you a tax resident even if you are a Canadian citizen with no plans to move. Use this calculator to see if your US visits trigger the Substantial Presence Test and what that means for your taxes.

How to Use This Substantial Presence Test Calculator

Enter the number of days you spent in the United States for each of the past three years. The calculator uses the IRS formula to tell you if you have crossed the 183-day limit that triggers US tax residency.

You do not need to count hours, just calendar dates. Any day you were in the US, even briefly, counts as a full day.

How the Substantial Presence Test Calculator Works

The IRS does not count only this year’s days. It uses a rolling three-year formula combining recent and older travel:

  • Current year: every day counts at full value
  • One year ago: each day counts as one-third.
  • Two years ago: each day counts as one-sixth.

The calculator adds these weighted numbers. If the total is 183 or more and you spent at least 31 days in the US this year, you meet the Substantial Presence Test.

    Results: Days

    Total Days Counted for the Substantial Presence Test

    • Less than 183 days: You are generally not considered a U.S. tax resident under the Substantial Presence Test.

    • 183 days or more: You may be considered a U.S. tax resident, provided you also meet the 31-day minimum presence requirement in the current year.

    What Your Result Means

    If the test is not met: Based on your travel history, the IRS would not classify you as a US tax resident for the current year. Still, keep tracking your days because travel patterns can change and one year with more visits could push you over the limit.

    If the test is met, you likely have US tax filing obligations for the current year. This does not automatically mean you’ll owe money but means you need to act. You may be able to file IRS Form 8840 (Closer Connection Exemption) to show that your primary home, finances, and personal ties remain in Canada.

    If your weighted total is over 183 but you spent fewer than 31 days in the US this year, both conditions must be met. You are close to the limit so watch your travel closely in the coming year.

    Days That May Not Count

    Not every day on US soil counts toward the total. The following days may be excluded:

    • Days you commuted to the U.S. from a residence in Canada or Mexico for work, if you regularly commute from Mexico or Canada.
    • Days you were present due to a medical condition that arose while in the United States.
    • Days present in the U.S. for less than 24 hours, especially when you are in transit between two places outside the United States.
    • Days spent as exempt individuals. For example, if you are in the U.S. on certain visa categories, including F, J, M, and Q, you may be an exempt individual.
    • Days present in the U.S. as a crew member of a foreign vessel in transit

    If any of these situations apply, your countable days may be lower than your total travel days.

    What to Do Next

    If your result is close to the threshold or you have already crossed it, the right step is to speak with an international tax advisor. A professional can help you document exempt days, assess your eligibility for the Closer Connection Exemption, and ensure you meet your obligations on both sides of the border before the filing deadline.

    Disclaimer

    This substantial presence calculator is for informational purposes only and should not constitute tax or legal advice. Results are based solely on the numbers you enter and do not account for treaty provisions, exempt day categories, or individual circumstances. It is recommended to consult a qualified cross-border tax professional for guidance specific to your situation.