Carry-On Size Checker Calculator
Check Carry-On Size
Verify your bag meets airline carry-on limits
Formula
Linear inches = Length + Width + Height; bag passes if each dimension is within the airline limit.
Frequently Asked Questions
What is the standard carry-on size for most airlines?
The most common carry-on size limit is 22 x 14 x 9 inches (56 x 36 x 23 cm) including handles and wheels. However, limits vary by airline, so always check your specific airline's policy before flying.
What are linear inches?
Linear inches are the total of a bag's length + width + height. Many airlines use a maximum of 45 linear inches (115 cm) for carry-on bags. This single number makes it easy to quickly determine if a bag meets size requirements.
Do wheels and handles count in carry-on measurements?
Yes, most airlines measure carry-on bags including handles, wheels, and any external pockets. When measuring your bag, include everything that extends beyond the body of the bag.
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