Add up the three dimensions of your box, suitcase, etc. Height plus width plus depth should total 40.
Examples include: 15 inches wide, 15 inches deep, 10 inches high = 40 linear inches
Also 25 inches wide, 10 inches deep, 5 inches high = 40 linear inches
Chat with our AI personalities
20 square feet.
What do you mean? 40 inches = 40 inches.
height + width + depth = linear Previous answer: 45 linear inches
It is simply a length of 90 inches.
Linear inches just means "add all the dimensions together." So if your luggage is 40" wide, 40" tall, and 40" across it would be 120 linear inches. An improbable suitcase measuring 113" in length, 1" in height and depth would be 115" linear inches (but very unwieldy).