Q&A for How to Measure Luggage

Retract the handle. You should only have to measure any part that doesn't totally retract and/or any extra height added by a closed flap or zipper cover.

The carton sizes and weights are according to your airline and distance. Before going on a flight, check luggage allowances from your airline's website or contact them directly.

Yes and no. Yes, if it meets the TSA size requirement (go to the home website) then yes. I recommend not bringing the big ones, especially if you want to hold it as a hand bag because there is a high possibility they won't let you.

Measure from the back of your suitcase to the front. The depth refers to how deep your suitcase is. So for depth you need to measure from the back of your suitcase (where your clothes rest when you’re packing) to the front (which usually has an extra zipper and slip pockets).

Capacity is measured on a very sensitive scale while you are checking in your baggage. Before your flight, you can purchase a luggage scale to weigh your luggage to avoid disappointment at the airport.

Make sure the bag is 100% full before you measure it (or as full as you need it to be when traveling). Then just use the measurements explained above.

You can use a ruler, but a better choice will be a measure tape. They are small and very handy.

If oversize luggage is between 62 and 80 inches, most airlines will accept the bag for a fee of around 75 dollars per item.

Ring the manufacturer, or check the label on the box, this isn't the appropriate forum to find your answer for something so specific.

It depends how strict they are, and how much you are over the regulations, but they most likely won’t accept it if they're aware it's too large. To be sure, ring or email your airline before turning up with the bag.

17.8 is likely to be the depth of the suitcase, while the 38.1 and 40.6 are likely to be the dimensions of the length and width of the suitcase.