How to measure the size of suitcase
As the frequency of travel and business trips increases, choosing the right luggage has become the focus of many people's attention. The size of the suitcase is not only related to whether you can board the plane smoothly, but also directly affects the storage capacity. This article will explain in detail how to correctly measure the size of your suitcase, and attach structured data to help you make a quick choice.
1. Why do you need to measure the size of your suitcase?

Airlines have strict size limits on carry-on and hold-in boxes, and exceeding the regulations may result in additional fees or being denied boarding. In addition, suitcases of reasonable size can maximize the use of space and avoid waste.
2. How to measure luggage size
The size of a suitcase usually refers to the sum of the three dimensions: length, width, and height. The following are specific measurement steps:
1.Measure length: The vertical distance from the bottom to the top of the suitcase. 2.Measure width: The horizontal distance from the left side of the suitcase to the right side. 3.Measure height: Depth distance from the front to the rear of the suitcase. 4.Calculate the sum: Add the length, width, and height to get the "linear dimensions" of the suitcase.
3. Common suitcase size comparison table
| Type | Length(cm) | Width (cm) | Height (cm) | Linear dimensions (cm) |
|---|---|---|---|---|
| Carry-on suitcase | 40-55 | 20-35 | 20-40 | 80-115 |
| medium size shipping box | 60-75 | 40-50 | 25-35 | 125-160 |
| Large shipping box | 70-90 | 45-60 | 30-45 | 145-195 |
4. Airline luggage size restrictions
Different airlines have slightly different requirements for luggage size. The following are the regulations of some airlines:
| airline | Carry-on suitcase size limit (cm) | Check box size limit (cm) |
|---|---|---|
| Air China | 55×40×20 | 100×60×40 |
| China Southern Airlines | 50×35×20 | 100×60×40 |
| China Eastern Airlines | 55×40×20 | 158 (linear sum) |
| Hainan Airlines | 55×40×20 | 158 (linear sum) |
5. Things to note when purchasing suitcases
1.Clarify needs: You can choose a carry-on suitcase for short-term travel, and a check-in suitcase is recommended for long-term travel. 2.Material selection: The hard case has strong pressure resistance, and the soft case is more flexible for storage. 3.wheel design: Universal wheels are more suitable for moving, and one-way wheels are more durable. 4.weight limit: The weight limit of checked boxes is usually 23-32 kg, which needs to be confirmed in advance.
6. Summary
Properly measuring your luggage is key to avoiding travel hassles. With the structured data in this article, you can quickly compare different sizes and airline requirements to choose the most suitable suitcase. Whether boarding or checking in, proper planning of size and weight can make the journey smoother.
I hope this article can help you solve your luggage size confusion easily, and I wish you a happy trip!
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