Substantial Presence Test Calculator: IRS 183-Day Rule

Substantial presence test calculator for the IRS 183-day rule. Enter your US trips to see your weighted days over three years and how many days you have left.

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About the product

What does Substantial Presence Test Calculator: IRS 183-Day Rule do?

This substantial presence test calculator checks your US trips against the IRS test. You meet the test with at least 31 days in the US this year and 183 days over three years, counting each day this year in full, each day last year as a third and each day the year before as a sixth. Official sources: the IRS page on the substantial presence test and IRS Publication 519.

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This listing can suit a broad range of people. Check the use cases above and the provider’s own page to see whether it matches what you need.

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Pricing: Free

Platforms: Web

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Details, pricing and availability can change. We use provider information, verified owner updates and editorial review where available. Check the provider’s own page before making a purchase, booking or important decision.

Profile last updated 13 Nov 2026.
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