Visa & Tax Residency Calculator

General Rules of 90/180 visa rule calculation

The 90/180-day rule is a common visa regulation used in the Schengen Area and some other countries. The rule states that:

• A visitor cannot stay in the Schengen Zone for more than 90 days within any rolling 180-day period.
• The 180-day period is not fixed; it’s a moving window, meaning each new day moves the counting period forward.
• The rule applies to all short-term visa-free travelers (e.g., UK, US, Canadian, and Australian passport holders visiting Schengen).
• Having ETIAS does not change your allowance under the 90/180 rule — you still must not exceed 90 days in any 180-day period.

Key rules for calculating visa days. How to calculate?

• Every new entry counts towards the rolling 180-day window
• Exiting doesn’t reset the count; previous stays in the past 180 days still matter
• Multiple stays are combined; if a person leaves and re-enters, previous days are still counted
• If a traveler has already stayed 90 days in the past 180 days, they must leave and wait until days “drop off” before re-entering

General rules of 183-day tax residency calculation

The 183-day rule is a common threshold used to assess tax residency in many countries. While details vary by jurisdiction, the general principle is:

• If your physical presence reaches 183 days or more in the relevant period, you may be treated as a tax resident.
• The relevant period can be a calendar year (Jan 1 - Dec 31) or a rolling window, depending on the country.
• Day-counting methods can differ by jurisdiction (for example, treatment of arrival/departure days), so always verify local guidance.
• Tax residency status can affect filing obligations and potential taxation of worldwide income.

Key rules for calculating tax residency days. How to calculate?

• Track each day of presence in the country and keep complete travel records.
• Select the correct tax window for your country rule (calendar year or rolling period).
• Combine all stays in the selected window to get your total days for tax residency calculation.
• When your total approaches 183 days, plan ahead and confirm your status with official guidance or a qualified advisor.