How do you measure a backpack for an airline?

Most airlines allow bags up to 45 linear inches (length + width + depth) or 22? long, 14? wide, and 9? deep. To prevent problems at the airport, your bag should be no larger than these dimensions.



People Also Ask

Most airlines allow backpacks as carry-ons, but size and weight restrictions vary depending on the carrier. Typically, the bag must be within the cabin baggage dimensions of around 22 x 14 x 9 inches (56 x 36 x 22 cm), commonly considered the standard size for carry-on.

MORE DETAILS

A Spacious Underseat Bag
Luckily, Tortuga makes backpacks that work as underseat carry ons. 30L or 40L backpacks are great options for primary carry ons but are usually too big to be considered personal item that need to be small enough to slide easily under the seat in front of you.

MORE DETAILS

Oversized Carry-Ons Need to Be Checked-in
If your carry-on is oversized (and doesn't physically fit inside the overhead compartments) or you encounter a strict airline employee, they will ask you to check it in at the gate.

MORE DETAILS

Is a 24-inch Carry-On Too Big? Most airlines can accommodate a 24-inch carry-on, but not all. Generally, a carry-on suitcase measuring 22 inches x 14 inches x 9 inches, commonly seen as 22 x 14 x 9, would be the most widely accepted size.

MORE DETAILS

Unless your carry-on is extremely large, the airline employees at the gate most likely won't ask to measure it. If they'd ask each passenger to measure their carry-on, the boarding would take too long. This could cause delayed flights, which airlines don't want.

MORE DETAILS

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)

MORE DETAILS

Generally, you're allowed one carry on and one personal item, such as a purse, suit bag, briefcase. As long as your backpacks conform to the airline size specifications for hand luggage, it's not a problem that both your carry-ons are backpacks.

MORE DETAILS

The Top Carry-on Backpacks for 2023
  • Best Overall: Cotopaxi Allpa 35L.
  • Best Budget: ZOMAKE Lightweight Packable Backpack 30L.
  • Best Lightweight: Osprey Farpoint 40.
  • Best for Business: Aer Travel Pack 3.
  • Best for International Travel: Solgaard Lifepack Endeavor (with closet) – Large.


MORE DETAILS

Most airlines allow backpacks as carry-ons, but size and weight restrictions vary depending on the carrier. Typically, the bag must be within the cabin baggage dimensions of around 22 x 14 x 9 inches (56 x 36 x 22 cm), commonly considered the standard size for carry-on.

MORE DETAILS

While most backpacks, purses, and briefcases can pass as personal items, a large camping backpack probably won't fit under the airplane seat. Most airlines publish specific measurements for what counts as a personal item.

MORE DETAILS

Typically a gate agent will check it to your destination for free. However, if it's too large to be a carry on size they may charge you for it. It would depend on the circumstances, but most likely it would be taken away and 'gate checked' into the hold.

MORE DETAILS

Most airlines will base their size limits on the total size of your bag, not just the weight in pounds like checked bags. Some airlines only give a guidance on “linear inches,” i.e. the sum of the length + width + depth of your bag. A limit of 40 linear inches could also be expressed as 18 x 14 x 8 inches.

MORE DETAILS

In general, standard domestic carry-on luggage size is 22 x 14 x 9 inches. If you're flying internationally, that may vary a little to 21.5 x 15.5 x 9 inches. Remember, those dimensions include the handle, wheels and anything else that may protrude from your suitcase so don't miss them from your measurements.

MORE DETAILS

Is toothpaste considered a liquid by the TSA? Yes, toothpaste must adhere to the 3-1-1 rule for liquids and gels. Toothpaste can be brought through TSA security in your carry-on as long as it is 3.4 ounces (100 milliliters) or less and placed in a 1-quart bag.

MORE DETAILS

Note that both your personal item and carry-on bag (referred to as hand baggage) combined must not weigh more than 26 pounds if you're traveling economy. The weight limit is 40 pounds for premium economy and other higher-class cabins.

MORE DETAILS

Oversized Carry-Ons Need to Be Checked-in
If your carry-on is oversized (and doesn't physically fit inside the overhead compartments) or you encounter a strict airline employee, they will ask you to check it in at the gate.

MORE DETAILS

Technically, any piece of luggage that you “carry on” to an airplane is a carry-on bag. Most airlines allow one piece of carry-on luggage or “hand baggage” that can fit in the overhead bin, plus a “personal item” (a smaller purse, computer bag, diaper bag, small backpack, etc.

MORE DETAILS