If your checked bag is over 62 linear inches (157 cm), it will be marked as oversized. This is a rule set by airline regulators to protect baggage handlers from any potential injuries. You'll need to pay a hefty fee for oversized baggage, which usually ranges between 75-200$.
Small checked suitcases usually are 23-24 inches on the longest size, medium ones 25-27 inches, and large ones in 28-32 inches. Quite often, suitcases above 30 inches will actually be oversized, because they're over 62 linear inches with wheels and handles included.
There is normally a maximum weight limit of 50 pounds per checked bag as well as a size restriction. The most common maximum size bag allowed is 62 linear (total) inches. A common size bag for checking through is: 27 x 21 x 14.
For example, if your bag measures 24 inches long, 18 inches wide, and 20 inches high, its linear inches would be 62 (24+18+20=62). So, when airlines refer to a 62 linear inch limit, they are saying that the combined length, width, and height of your checked luggage cannot exceed 62 inches.
50 pounds is the usual weight limit. The largest checked international luggage size allowed is 62 linear (total) inches. Typically, a standard checked luggage size wavers around 27 x 21 x 14 inches. The universally accepted carry-on luggage size for a domestic flights (within the U.S.) is 22 x 14 x 9.
Typically, a 23kg suitcase size will have the following measurements: Length: 71-81 cm (28-32 inches )Width: 43-51 cm (17-20 inches)Depth: 26-30 cm (10-12 inches)
Checked bags come in all shapes and sizes and the chances a check in agent will get out a tape measure, measure each dimension and add them up are slim to non-existent. And a 64 linear inch checked bag would be indistinguishable from the regulation 62. That's as long as it is 64, and not 67 or 70.
Because suitcases need to fit into certain spaces (overhead compartments, under the seats, etc.), they're always measured at the widest end of each dimension. This usually includes spinner wheels, side and top handles, and anything else that's “sticking out” of the main frame.
Each bag should weigh less than 23KG/50LBS. This is an international regulation set for the health and safety of airport workers who have to lift hundreds of bags daily. If your bag weighs more than this, you may be asked to repack, or have it labeled as heavy luggage.
Because softshell luggage has more give, a hard shell suitcase can be better at protecting fragile contents, assuming you cushion it well inside. On the other hand, that rigid exterior makes hardshell bags unable to be compressed to squeeze into tight spaces like softsided bags are more apt to allow.
Most airlines measure check-in luggage in linear dimensions, which means the sum of the length, width and height. The most common linear limit for check-in luggage is 62 inches, though it's prudent to confirm.
A layer of sealed wrap protects suitcases and backpacks from general wear and tear and the natural elements such as rain. Prevent Damage. Expensive items, such as wheelchairs, pushchairs golf clubs, and bicycles don´t usually come in a case or packaging to protect again damage. For some smuggling is also a concern.
What does this mean? The linear dimensions, or total linear length, of your luggage are the sum total of the length, width, and height of your suitcase. This number may not exceed the Maximum Linear Dimensions allowed by your airline, typically 62 inches (158cm) for most airlines.