Carry-on luggage size restrictions vary by airline-here's how to tell if your suitcase, backpack, or duffle bag is small enough to bring as a carry-on.

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 ...

If you're unsure whether to buy hard-sided or soft-sided luggage, you can start with our luggage comparison charts. Also, you'll want to keep airline carry-on size ... 22 x 14 x 9 inches | Medium ...