Airlines calculate carry-on luggage size measurements using two methods: Height by width by depth: Most – but not all – ...

What is the standard size limit for checked bags? Size limits are measured in linear inches, which is the sum of a bag's dimensions: See immediately below for an explanation. The most common size ...

After that, add them up to find out if the bag really is below 62 linear inches. All checked suitcases need to be below 62 ...