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183-day calculator

The 183-day rule is one of the key switches in international tax law. Count your days of presence here and get a first orientation.

Enter your periods of presence in the relevant country.
From
To
Days of presence 20260 / 183

In 2026 you are below the 183-day threshold. The treaty text and your facts remain decisive.

Important: This tool provides a non-binding automated first assessment and does not replace tax advice. For a binding assessment, please book a meeting.
Expat → Singapore · 11 months · Treaty + A1Return from USA · Worldwide income · ProgressionInpat Frankfurt · Residence · Remote workGmbH shareholder · Exit · Exit taxationSecondment London · Wage tax · Social securityProperty Spain · Limited tax liabilityNGO assignment Africa · Dev. coop. · Power of attorneyDual residence · Treaty tie-breaker · Home officeExpat → Singapore · 11 months · Treaty + A1Return from USA · Worldwide income · ProgressionInpat Frankfurt · Residence · Remote workGmbH shareholder · Exit · Exit taxationSecondment London · Wage tax · Social securityProperty Spain · Limited tax liabilityNGO assignment Africa · Dev. coop. · Power of attorneyDual residence · Treaty tie-breaker · Home office