Carry on baggage allowance - Confused about these sizes

score:30

Accepted answer

There is no specific concept of "length", "width" or "height" with these measurements. The longest measurement of your item must be no more than the longest allowed number, the 2nd longest measurement no longer than the 2nd longest allowed number, etc.

After all - if your bag is 50cm high, and you turn it on it's side, it is still 50cm high or is it now 50cm long?

As for your question of what is the maximum allowed common carry on baggage size, it would be the smallest length in each dimension across the three carriers. Thus, 55cm in one dimension (Emirates/Turkish), ~36cm in the second dimension (Copa/Bahamas*), and 20cm in the third dimension (Emirates), with a weight of no more than 7kg (Emirates).

How strictly these measurements are enforced varies depending on the airline, the airport, the specific staff involved, and sometimes how full the plane is. It's possible you will be allowed travel with an item larger then the above measurements, but there is no guarantee.

(* 14" = 35.56cm)

Upvote:-2

Conventionally, the order is determined decreasingly. Since you can basically rotate a piece of bag to any direction, we conventionally assume that the item is placed horizontally and in width

So the largest measurement of the parallelepiped is width. Second is length, and third is height.

Nonetheless, when you are required to prove your bag fits with size by inserting it into the sized box provided by the airplane, the bag is inserted vertically, so the longest measurement becomes height.

This has absolutely no effect as all the three dimensions must fit the limit individually, unlike the post office service where you can mail a box of any size which fits a given volume.

Upvote:12

What you have to do is picture a box. In the case of Emirates the box is 55x38x20 cm. If your luggage fits in the box it can travel with you in the cabin.

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