How can I measure my carry-on suitcase?

To measure your carry-on suitcase, you must take into account the height, width, and depth, including wheels and handles. Airlines often check the entire piece of luggage, not just the shell. Use a tape measure or a rigid ruler, place your carry-on luggage down, and note the dimensions in centimeters. Then, compare them with the limits imposed by the airline (e.g., 55×40×20 cm).

Steps to properly measure your carry-on suitcase

• Place the suitcase upright, closed, and empty
  
  
• Use a tape measure (or rigid ruler) to measure:
  

1. Height = from the floor to the top of the handle
2. Width = side to side (including wheels if they protrude)
3. Depth = front to back (including zippers and handles)
   

• Add the dimensions together if the airline requires a total sum (e.g., max 115 cm)
  
  
• Compare with airline standards (Ryanair, Air France, easyJet…)
  

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FAQ on how to measure your carry-on suitcase

Should I include the wheels and the handle?

Yes. Airlines measure the total external volume, including wheels and handles.

Can I use a luggage scale to verify the size?

No. A scale is used to check the weight, not the dimensions. You need a tape measure for that.

Are there online templates to check?

Yes. Some websites and airports offer PDF templates or apps to simulate the carry-on size.

What margin of tolerance do airlines allow?

Very little. If your suitcase exceeds the limit by 1 to 2 cm, it may be refused or checked in as hold luggage, especially with low-cost carriers.