Free Travel Calculators
Track your travel days, check visa requirements, and calculate tax residency status. Trusted by thousands of digital nomads and international travelers.
Schengen 90/180 Calculator
Track your days in Europe's Schengen Area. The 90/180 rule limits stays to 90 days within any 180-day period.
US Substantial Presence Test
Check if you meet the IRS criteria for US tax residency based on your physical presence over 3 years.
UK Statutory Residence Test
Determine your UK tax residency status with the official HMRC Statutory Residence Test calculator.
Canada Residency Calculator
Track visitor days and check tax residency requirements for Canada immigration and CRA purposes.
UK ILR Absence Calculator
Check your trips abroad against the 180-day rule in every rolling 12-month period of your ILR qualifying period.
British Citizenship Absence Calculator
Check the 450-day and 90-day naturalisation limits and find the earliest date you can apply.
Canada Citizenship & PR Days
Count your days towards Canadian citizenship (1,095) and the PR residency obligation (730 in 5 years).
EES Calculator
See the same 90/180 count the EU Entry/Exit System records at the border, before you travel.
Tax Residency 183-Day Calculator
Count your days against the tax residency day tests for the UK, US, Canada, Australia, Spain, Portugal and more.
Passport Validity Checker
Check the 3-month, 6-month and stay-length passport rules for 37 destinations.
UK ETA, ESTA & ETIAS Checker
See whether your passport needs a UK ETA, US ESTA, Canada eTA or ETIAS.
Schengen Proof of Funds Calculator
How much money border guards can ask to see, for all 29 Schengen countries.
OPT Unemployment Calculator
Count F-1 OPT unemployment days against the 90 and 150-day limits.
Visa Stay Guides
Find out how long you can stay in 195+ countries with your passport. Official requirements and rules.
Days Monitor iOS App
Track all your travel days automatically. Sync trips, get alerts, and never overstay again.
Why Use Our Calculators?
Built by travelers, for travelers. Our tools are designed to be simple, accurate, and private.
100% Free
No hidden fees, no premium tiers for basic features.
Accurate
Based on official rules from immigration and tax authorities.
Private
Your data stays in your browser. We don't track your trips.
Instant
Get results immediately. No waiting, no sign-up required.
Track Your Days on the Go
Download the Days Monitor iOS app for automatic trip tracking, push notifications, and offline access to all calculators.
Download on the App Store