Carry-on Luggage Size Calculation Tool

Check if your carry-on is allowed on board. Validate your carry-on with more than 180 airliners. It doesn’t necessarily mean your suitcase won’t be allowed on board when your suitcase is too high, wide or deep according to the tool. It means that isn’t allowed according to the airliner regulation. Many airliners don’t actually check the size of your carry-on other airliners do. If you have experienced airliners that actually check the size of your carry-on, please share with me, and I will add it to the Tool.

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Metric (centimeter)
Imperial (inch)

Fill in height of suitcase (outer dimensions)

Fill in width of suitcase (outer dimensions)

Fill in depth of suitcase (outer dimensions)

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Maximum allowed height, width, depth per airliner