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Check dimensions and linear total
Some airlines limit each side while others use combined linear size, so the tool shows both.
Carry-on size converter
Enter three bag dimensions and convert them for airline carry-on checks.
Enter bag dimensions
Airlines vary on whether handles and wheels are included. Measure protruding parts for a safer check.
How carry-on size is checked
Frequently asked questions
Should wheels count?
Usually yes. Rules vary, but measuring protruding parts is the safer approach.