How many linear inches is a carry on suitcase?

Including wheels and handles, measurements may not exceed 22 inches long, 14 inches width and 9 inches high. The total length plus width plus height of baggage must not exceed 45 linear inches.



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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.

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Carry-on bags shouldn't be larger than 22 inches long, 14 inches wide and 9 inches high including handles and wheels. Dimensions of personal items should not exceed 18 inches long, 14 inches wide and 8 inches high. There are no weight restrictions for carry-on luggage.

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United Airlines
  • Including handles and wheels, the maximum dimensions for a carry-on are 22 inches long, 14 inches wide and 9 inches high.
  • Personal items are limited to 17 inches long, 10 inches wide and 9 inches high.
  • United doesn't publish weight limits for carry-ons.


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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.

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Most airlines require carry-on luggage to be under 22 x 14 x 9 inches (56 x 36 x 23 cm).

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On domestic flights within the United States, a carry-on bag that's smaller than 22 x 14 x 9 inches (45 linear inches), including handles and wheels will meet the size restrictions of all major airlines, such as United Airlines and Alaska Airlines.

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Delta permits one personal item and one larger carry-on item free of charge. The combined dimensions of carry-on baggage should be less than 45 inches, with individual items measuring no more than 22 x 14 x 9 inches.

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Firearms, ammunition, and fireworks are prohibited, as are all knives and safety razors (including pocket knives and Swiss Army knives). Straight razors and replacement blades for straight razors are also not allowed. Most tools also cannot be packed in carry-on luggage, as they have the potential to cause harm.

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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.

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Most regular airlines won't check the size, unless it's obviously way larger or heavier than your allowance, but you may need to consider where is that extra inch, if it's too wide/thick, it may not fit in the baggage overhead compartment and a flight attendant may check it in for you…

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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.

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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.

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While a 28-inch hardside luggage may fit in some overhead bins, it may only work in some areas due to varying size restrictions. If you need clarification on whether your luggage will fit, consider purchasing a smaller suitcase or opting for soft-sided luggage.

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The standard carry-on size for international carriers is slightly smaller than that of the U.S., measuring overall at 21.7 by 15.7 by 9 inches, including handles and wheels.

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HOW TO REDUCE BAGGAGE WEIGHT WHEN PACKING
  1. Choose the Right Bag. ...
  2. Lose the Bulky Wallet. ...
  3. Pack a Tablet Rather Than a Computer. ...
  4. Ditch the Bulky Travel Books. ...
  5. Use a Packable Tote Instead of a Heavy One. ...
  6. Buy Toiletries When You Arrive. ...
  7. Choose the Right Shoes. ...
  8. Pack for Your Itinerary, Not for Your Destination.


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Toothpaste is permitted on aircraft but only in quantities of 3.4 oz (100ml) or less. The same goes for lotion, shampoo, shaving cream, etc. If you are only travelling with carry-on baggage, keep in mind all these rules when bringing your liquids through security checkpoints.

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Don't fold — roll clothes as tightly as possible: “I do the roll method when packing. I tightly roll everything, similar to how you'd wrap a burrito. Nice and tight,” says Williams. “I start with the heavier, bulkier items because these are sure to take up more space.

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