キャリーケース Sサイズ Mサイズ

Which is better: a carry-on S-size or M-size? A comprehensive comparison of differences and how to choose.

Written by: NewTrip

|

更新日:

"I want to buy a carry-on, but I don't know whether to choose an S size or an M size."

Many people probably have this dilemma.

The S size is light and easy to carry, while the M size offers more storage capacity. However, the appropriate size varies depending on the length of your trip and the amount of luggage.

This article compares the differences between S and M size carry-on cases, explaining who each is recommended for and key points for choosing.

Comparing the Differences Between S and M Size Carry-On Cases

First, let's look at the basic differences between S and M sizes.

Item S Size M Size
Approx. Capacity Approx. 25-39L Approx. 42-60L
Approx. Trip Duration 1-3 nights 3-5 nights
Carry-on ○ (Many compatible sizes) × (Generally not allowed)
Weight Light Slightly Heavy
Recommended For Short trips, business trips Domestic travel, travel with lots of luggage

The S size is suitable for those who want to travel light with only essential belongings.

On the other hand, the M size is recommended for those who want to pack more clothes and belongings, or want to fit souvenirs on the way back.

Carry-on S size and M size

Who is the S size recommended for? Convenient for short trips/business trips.

① Frequent trips of 1-3 nights

The S size is suitable for weekend trips, domestic travel, and business trips of 1-2 nights.
If you have light luggage, choosing a large carry-on can leave empty space and actually be more of a burden when traveling.
The S size is convenient for those who want to pack only essential items compactly.

② Want to carry on luggage on an airplane

A major advantage of the S size is that many models are carry-on compatible.
Since there's no need to check luggage, you get these benefits:

  • Reduce waiting time at airport counters
  • Move immediately after arrival
  • Avoid the risk of losing checked luggage

These are the advantages.
It is recommended for those who want to streamline travel time for short business trips or vacations.

③ Want to reduce the burden of travel

Many S-size models are lighter than M-size models and are easy to handle when traveling by train or bullet train.
A compact size is useful for trips where you frequently carry luggage, such as moving through train stations or climbing stairs.
For example, the New Trip 0201 is lightweight at approximately 2.8kg and is carry-on compatible.
It also features an expansion function, making it suitable not only for short trips but also for when your luggage increases on the way back.

Suitcase S size

Who is the M size recommended for? Peace of mind for trips with lots of luggage.

① Frequent trips of 3-5 nights

The M size is suitable for domestic travel, returning home, and trips of several days.
The M size is recommended for those who find the S size a bit too small or who want to store clothes with ample space.

② Considering souvenirs and an increase in luggage

When traveling, it's common to have more luggage on the way back than on the way there.
Many people have experienced "It fit on the way there, but I can't fit my souvenirs on the way back."
With an M size, there's ample storage space, making it easier to pack souvenirs and purchases.

③ Winter travel or for people with lots of luggage