Check your US substantial presence test before it checks you.
Jetseen links a free US SPT calculator with the trip log behind it. Enter your travel dates, see the weighted three-year total, and keep the same history available for the rest of your residency tracking.
Free calculator on the web. Ongoing tracking through the Jetseen app on iPhone and iPad.
Current Year
31 days
The SPT only starts to matter if you clear the current-year presence minimum.
Previous Year
1/3
The prior-year count feeds the weighted formula instead of counting in full.
Two Years Back
1/6
Older travel still matters, just at a smaller weight inside the same total.
Weighted Threshold
183
The calculator helps you see the number before year-end planning turns urgent.
A calculator with a real trip log behind it
Most SPT checks start as a one-off question. The trouble is that you usually need the same travel history again later, whether for an advisor conversation or broader residency planning.
01
See the weighted formula clearly
The calculator makes the three-year SPT arithmetic legible instead of leaving you to reconstruct it manually.
02
Reuse the same data elsewhere
The same trip history can support broader tracking if the US is only one piece of the year.
03
Move from spot-check to ongoing monitoring
When a quick estimate turns into an active planning issue, the record does not need to start over.
How to use it
The landing page is built for the query, but the workflow stays practical: check the formula first, then keep the same dates available when the questions get deeper.
Enter the trips that matter
Use your travel dates to calculate the current weighted SPT total.
Review the threshold before you make plans
See whether extra US travel changes your filing exposure before the year gets locked in.
Keep tracking if the US is part of a wider residency strategy
Continue with the same trip record instead of maintaining separate calculators and spreadsheets.
Best fit when US exposure is only part of the picture
This is most useful for people who need a quick SPT answer now and a stronger record later.
You spend time in and out of the US across multiple years and need the weighted formula explained clearly.
You want a faster first pass than building the calculation yourself in a spreadsheet.
You also track UK, UAE, Schengen, or other residency thresholds and want one place for all of it.
You need a cleaner record to discuss with an advisor if US presence starts becoming material.
Common SPT calculator questions
What is the 31-day rule in the substantial presence test?+
The SPT does not apply unless you were present in the United States for at least 31 days in the current year, even if the weighted total across three years is otherwise high.
Is the calculator free to use?+
Yes. The web calculator is free to use for the initial SPT check.
Does the calculator give legal or tax advice?+
No. It estimates day-count exposure based on the travel dates you enter. You still need a qualified advisor for case-specific US tax advice.
Can I track non-US rules too?+
Yes. Jetseen is meant for broader residency tracking, so the same trip record can support other jurisdictions alongside the US.
Run the SPT check, then keep the same trip history when it matters later.
Start with the free calculator. If the US is only one part of your year, Jetseen gives you a place to keep the rest of the picture together.