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Will My Bag Fit? — Cabin Bag Size Checker
Measure your suitcase once (length × width × height in cm, wheels and handles included) and see instantly which airlines accept it as a cabin bag — using the official cabin limits in our verified database.
| Airline | Official cabin bag limit | Cabin weight | Your bag |
|---|
A bag "fits" when each of its dimensions is within the airline's limit (rotation allowed) and its weight is within the cabin weight limit where the airline publishes one. Limits checked 30 October 2026.
How to measure your bag the way the airline does
Measure the bag at its widest points, including wheels, handles and outer pockets — that is how gate sizers see it. Stand the bag upright: height runs from the floor to the top of the retracted handle, width across the front, depth from front to back including the wheels. Soft bags should be measured packed, not empty, because a stuffed soft case bulges past its label dimensions. If your suitcase is sold as "55 cm cabin size", verify it yourself: manufacturer numbers often exclude the wheels, and 2 cm of wheel is the difference between the overhead locker and a checked-bag fee.
Why cabin limits differ so much between airlines
There is no global cabin bag standard. Limits follow the aircraft bins each airline flies, how much it wants to sell priority boarding, and whether it counts a personal item inside the allowance or on top of it. The strictest mainstream limits in our database are around 50 x 37 x 25 cm; the most generous reach 56 x 45 x 25 cm — and weight limits range from 7 kg to no published limit at all. A bag bought for one airline can be illegal on another, which is why this checker tests your exact dimensions against every airline's official limit instead of using a single "standard" size.
Hard case, soft bag or backpack?
Hard cases hold their labelled dimensions, which makes them predictable in a sizer — but unforgiving when they are 1 cm over. Soft bags and backpacks can squeeze under a limit they nominally exceed, yet bulge past it when fully packed, and straps and frames count if they stick out. Whichever you use, test it packed the way you will actually travel: half-empty measurements flatter every bag.