How to use this tool
- Enter your values in the labelled fields or load the worked example.
- Review the assumptions below, then run the tool.
- Review the result, then copy or download it.
Try this example
{"entry": "2026-10-19", "stays": [{"start": "2026-08-01", "end": "2026-08-30"}]}Accuracy and scope
General 90/180 arithmetic only. Entry and exit days count. Does not determine visa validity, nationality exemptions, residence rights or admission. Exclude residence-permit/long-stay periods. If a visa authorizes fewer days, use those conditions instead. Based on European Commission guidance checked 2026-10-19.
Is my data uploaded?
This tool runs locally in your browser. Input and output are not sent to a processing server. Copy or download your result before leaving the page.