Schengen Calculator limits and legal scope

Flags can help you record stays and work through the 90/180 calculation. It cannot grant a right to enter or stay, interpret every visa condition, or replace a border authority. A clear history is useful, but it is only one input into a travel decision.

Check the rule that applies to you

The European Commission's calculator is a useful official reference for ordinary short stays. Its scope matters: the answer for a particular journey can depend on your passport, visa, residence permit, travel purpose and the documents you hold. A long-stay visa or residence permit changes the context.

Do not assume that a general explanation covers a special permission, an earlier overstay, or a condition printed on a visa. The app does not inspect your travel documents or determine whether an exception applies. Official guidance and, where appropriate, professional advice remain the right place to resolve those questions.

Use Flags as an early warning

The safest workflow is simple:

• review the stays that make up your history;
• correct dates and add missing trips manually;
• use the day count to spot a possible issue before booking or travelling; and
• confirm the current official rule and your own documents before the journey.

This turns the app into an early-warning and planning aid rather than a promise that a trip is permitted. For a direct explanation of the ordinary calculation, see The Schengen 90/180 rule. For the practical recordkeeping step, see how Flags builds your history.

Legal note

Border authorities make the final decision on entry, permitted stay and any overstay. A result in Flags does not create a visa, change an entry stamp, or override an officer's assessment. If a future trip is close to a limit, resolve the question before travel rather than treating an estimate as a clearance.

Flags is a tool, not legal advice — the border officer has the final say.