Carry-on luggage refers to the bags passengers are allowed to bring into the aircraft cabin instead of checking them into the hold. Airlines set specific size and weight limits to ensure that bags fit in overhead compartments or under the seat in front of you and do not interfere with cabin safety.
Standard carry-on luggage size
There is no single universal carry-on luggage size, but many airlines follow similar guidelines. A commonly accepted maximum size is approximately 55 × 40 × 20 cm (22 × 16 × 8 inches), including handles and wheels. In most cases, passengers are also allowed to bring a smaller personal item, such as a handbag or laptop bag.
Airline-specific rules
Carry-on size and weight limits vary between airlines. Full-service carriers, low-cost airlines, and regional operators often apply different requirements. Some airlines focus mainly on dimensions, while others strictly enforce weight limits. Checking the airline’s official baggage policy before travel is essential.
Weight restrictions
Many airlines apply weight limits to carry-on luggage, typically ranging from 7 to 12 kilograms (15 to 26 pounds). Bags that exceed these limits may be required to be checked at the gate, sometimes with additional charges.
Security and content regulations
Carry-on luggage must comply with airport security rules. Liquids, gels, and aerosols are subject to quantity restrictions, and certain items are not permitted in the cabin. Ensuring compliance with security regulations helps avoid delays during screening.
Why size limits matter
Carry-on size limits are enforced to maintain safety on board, ensure efficient boarding, and provide fair access to overhead storage space. Oversized bags can slow down the boarding process and create safety risks during turbulence or emergency situations.
Practical tips for travelers
Measuring your bag including wheels and handles, packing efficiently, and weighing your luggage before arriving at the airport can prevent issues. Choosing a bag designed to meet standard carry-on dimensions reduces the risk of last-minute complications.
Understanding carry-on luggage size rules and preparing accordingly allows travelers to move through the airport and boarding process with greater ease and fewer disruptions.