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How many inches is the suitcase?

2025-10-19 01:51:42 travel

How many inches is the carry-on suitcase? Analysis and purchasing guide of popular sizes across the Internet

Recently, with the arrival of the peak travel season, the issue of check-in suitcase size has once again become a hot topic on social platforms. Many netizens struggle with size selection when purchasing cabin luggage, fearing that it does not comply with airline regulations. This article will combine the popular discussion data on the Internet in the past 10 days to provide you with a detailed analysis of the mystery of boarding suitcase size.

1. Comparison of airline carry-on suitcase size regulations

How many inches is the suitcase?

airlineDomestic route size restrictionsInternational route size restrictions
Air China20×40×55cm20×40×55cm
China Southern Airlines20×40×55cm20×40×55cm
China Eastern Airlines20×40×55cm20×40×55cm
Hainan Airlines20×40×55cm20×40×55cm
Cathay Pacific22×36×56cm22×36×56cm

2. Comparison of popular cabin suitcase sizes

Dimensions (inches)length(cm)Width(cm)Height(cm)Applicable people
16 inches312038Short trip/business people
18 inches34twenty two401-2 day excursions
20 inches36twenty three553-5 days trip/mainstream choice
22 inches38twenty four56Long-term business trip/international routes

3. Recommendations for recently popular brand cabin luggage

According to the popularity of discussions on Xiaohongshu, Weibo and other platforms in the past 10 days, the following brands of carry-on luggage have attracted much attention:

brandPopular modelsprice rangeMain features
RIMOWAEssential Cabin4000-6000 yuanLightweight/wear-resistant
SamsoniteCosmolite2000-4000 yuanUltra light/durable
90 pointsSeven bars500-800 yuanHigh cost performance
Millet90 minutes youth version300-500 yuanThe first choice for student parties

4. Practical suggestions for purchasing a carry-on suitcase

1.Check airline regulations: Different airlines may have slightly different requirements for cabin size, especially low-cost airlines which tend to be stricter.

2.Consider actual needs: For short-term business trips, choose 16-18 inches. For family travel, 20 inches or above is recommended, but you need to confirm whether it meets the boarding standards.

3.Pay attention to weight limits: Some airlines have weight restrictions on boarding luggage, usually 7-10kg. You should pay attention to the weight of the box when purchasing.

4.Wheel design is critical: 360-degree universal wheels are more convenient for moving in the airport, but they will increase the weight of the box, so there is a trade-off.

5.Material selection: PC material is light and resistant to falling, ABS material is affordable, and aluminum alloy is high-end but heavier.

5. Answers to recent popular related questions

Q: Can a 20-inch cabin suitcase really fit on all planes?

A: According to the airline customer service responses in the past 10 days, 20-inch suitcases can be boarded on board in most cases, but they may be required to be checked in on some regional flights or when they are fully loaded.

Q: Does the size of the suitcase include wheels?

A: Yes, airline measurements include all protruding parts such as wheels and handles. Recently, many netizens were stopped at the boarding gate for ignoring this point.

Q: How to measure whether the existing carry-on suitcase meets the regulations?

A: Place the box on flat ground and measure the height from the lowest point to the highest point, the width from the widest point, and the length from the deepest point, including all protruding parts.

6. Conclusion

Choosing the right carry-on suitcase size not only ensures a smooth boarding, but also enhances your travel experience. Consumers are advised to measure carefully before purchasing and consider their own travel habits and frequency. During the recent peak travel season, airlines have become stricter on baggage size checks. Knowing the regulations in advance can avoid unnecessary trouble.

Finally, as a reminder, with the popularity of smart luggage, some airlines have special regulations for luggage with built-in lithium batteries. Before purchasing, be sure to confirm whether it meets the latest aviation safety requirements.

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