(Length and width dimensions are only for size reference, different brands’ suitcase size will be slightly different, mainly judge by the sum of three sizes.
16 inch Suitcase Size: 31cm * 43cm * 13cm
17-inch Suitcase Size: 32cm * 45cm * 18cm
18 inch Suitcase Size: 34cm * 44cm * 20cm
20 inch Suitcase Size: 34cm * 50cm * 20cm
22 inch Suitcase Size: 39cm * 58cm * 24cm
24 inch Suitcase Size: 42cm * 68cm * 26cm
28 inch Suitcase Size: 47cm * 78cm * 28cm
32 inch Suitcase Size: 53cm * 88cm * 30cm
If by plane, the common boarding suitcase size: (three sides are the length and width and height)
20 inch and size below can be brought to the aircraft (international boarding size is within 115CM) for 1 person to travel about 4 days. 20 inch for 1 person to travel 7 days or so, 20-inch suitcase is that the sum of the length, width and height is not more than 115cm, and such size can be taken on the cabin. The common size of 20 inch is 34 × 50 × 20cm, which looks smart and exquisite.
22-inch must be checked, suitable for a travel of 7 to 10 days or so.
24-inch must be checked, suitable for 2 people for a travel about 7 days. 24-inch suitcase refers to the sum of length, width and height shall not be greater than 135cm, which is standard boarding suitcase size specified by the airline. The most common size for 24-inch is 60 ×38 × 28cm, is the size which is used the most, its volume is moderate, can hold suitable amount of items, not too much or too little. 24-inch suitcase is the most common suitcase we see, and also the suitcase which is most suitable for the public.
26-inch must be checked, suitable for two people for a travel about half a month.
28-inch must be checked, suitable for a family to travel, and for Hong Kong shopping group. 28-inch suitcase refers to the sum of length, width and height is not more than 158cm, which is standard boarding suitcase size specified by the airline. The most common size is 70 ×48 ×30cm, is the suitcase that has relatively large capacity, and suitable for perennial rush business personnel.
32-inch must be checked; same as 28-inch, but only limited to domestic and part of Southeast Asia airlines, if for self-driving travel, then the 32-inch’s capacity is incomparable.