Baggage

A personal item must fit under the seat, with a common allowance around 18 x 14 x 8 inches. What counts, how it differs from a carry-on, and why it matters on budget airlines.

The standard checked bag limit is 62 linear inches (158 cm) and 50 lb (23 kg). What linear inches means, the weight limits, and how to dodge oversize and overweight fees.

The standard carry-on size is 22 x 14 x 9 inches (56 x 36 x 23 cm) for most US airlines, but the airline sets it, not the TSA. Weight limits, personal items and international sizes explained.

Emirates, Qatar, Delta, BA and the rest all use the same 100 ml carry-on liquid limit, because airport security sets it, not the airline. Here is what actually differs.

There is no 100 ml limit for liquids in checked baggage. Here are the real rules on alcohol, aerosols and flammable items, plus what to keep in your carry-on.

How much liquid you can take in a carry-on, the 3-1-1 rule, what counts as a liquid, the exceptions for medicine and baby supplies, and how it works internationally.