Bag Compatibility Check

Test your bag against airline size rules. Use the form to check a specific airline, or jump to the tool that finds all airlines your bag fits.

Enter your bag dimensions and pick an airline to see if it fits.

Check if your bag meets airline size requirements

Bag Type

Carry-on / Cabin BagPersonal Item / Under Seat

Select Airline

Bag Dimensions (cm)

Length (cm)

Width (cm)

Height (cm)

Enter your bag once and see every airline where it fits as a carry-on.

Perfect when your travel plans aren’t fixed yet or you’re choosing between carriers.

Tip: Use the unit toggle in the header to switch between cm and inches.

Jump straight to some of the most requested compatibility pages.

See which airlines have the smallest under-seat allowances and strictest enforcement.

Compare carry-on limits for Ryanair, easyJet, BA, Lufthansa, and more.

Browse every airline in our database and check detailed baggage policies.