Last updated: September 2026
If you are used to seeing cabin luggage described as 22 × 14 × 9 inches, travelling in Europe can make luggage sizing feel like a completely different system.
Instead, you are much more likely to see dimensions such as 55 × 40 × 20 cm.
But even that is not a universal European cabin-bag size.
Airlines set their own baggage allowances, and the rules can vary depending on the airline, fare, route and aircraft. Some airlines allow a larger cabin bag, while others have stricter dimensions or distinguish between a small under-seat bag and a larger cabin bag for the overhead compartment.
With updated EU air passenger rules expected to apply in 2027, understanding the difference between a personal item and a larger cabin bag will become even more important.
So before choosing a cabin bag, it helps to understand what those numbers really mean.
What Does 55 × 40 × 20 cm Mean?
A suitcase measuring 55 × 40 × 20 cm is approximately:
- 55 cm: height
- 40 cm: width
- 20 cm: depth
The important part is that these measurements describe the suitcase's overall exterior dimensions.
That means wheels and handles can matter.
For example, Travelpro's Maxlite 5 International Cabin Rollaboard has overall dimensions of 55 × 40 × 20 cm, including the wheels and carry handles. Its case dimensions are smaller at 51 × 38 × 20 cm.
When comparing a cabin bag with an airline's baggage allowance, always use the overall dimensions.
Why 55 × 40 × 20 cm Is So Common
For many European travellers, 55 × 40 × 20 cm is a useful reference because several major airlines use similar dimensions for larger cabin bags.
Ryanair, for example, currently lists 55 × 40 × 20 cm for its larger overhead cabin bag, while easyJet allows a larger cabin bag at 56 × 45 × 25 cm for qualifying passengers. British Airways also allows up to 56 × 45 × 25 cm for its cabin bag.
That difference illustrates an important point: there is no single "European carry-on size."
A suitcase that is perfectly acceptable on one airline may be too large on another.
The Small Bag vs. the Cabin Bag
One of the biggest differences European travellers may notice is the distinction between a small personal or under-seat bag and a larger cabin bag.
Budget airlines often include a smaller bag in the basic fare while making the larger overhead cabin bag dependent on the fare, membership or an additional purchase.
Ryanair, for example, currently includes a 40 × 30 × 20 cm small bag. This was increased from its previous 40 × 25 × 20 cm allowance in September 2025. Ryanair described the new size as 33% larger than the EU standard free carry-on size of 40 × 30 × 15 cm. Its larger 55 × 40 × 20 cm cabin bag is associated with the applicable Priority & 2 Cabin Bags allowance.
easyJet similarly separates its smaller 45 × 36 × 20 cm bag from its larger 56 × 45 × 25 cm cabin bag.
This means buying a suitcase that fits the overhead dimensions does not necessarily mean you can bring it on board for free under the current airline-specific rules.
What's Changing in 2027?
Updated EU air passenger rules approved in July 2026 will introduce a guaranteed free personal item for passengers travelling under the new rules. The personal item can be a small bag or backpack that fits under the seat, with dimensions of up to 40 × 30 × 15 cm. The updated rules also require air fares to be displayed with carry-on luggage included at the outset of the booking process, although airlines may offer lower-priced fares to passengers who choose to travel without hand luggage.
The updated rules will enter into force after publication in the Official Journal of the EU, followed by a one-year implementation period for EU countries and companies. This means the new rules are expected to apply in 2027.
For travellers, the important distinction remains the same: a 40 × 30 × 15 cm personal item is designed to fit under the seat, while larger cabin bags are intended for the overhead compartment and can still be subject to airline-specific rules.
So if you are shopping for luggage now, do not assume that the new personal-item allowance means every 55 × 40 × 20 cm suitcase will automatically be free to bring on board.
Always check the rules for your specific airline, fare and journey.
Not All 55 × 40 × 20 Bags Pack the Same
External dimensions are only one part of choosing luggage.
Interior design can determine how much of that space you can actually use.
Look for features that help you organize rather than simply adding volume. Interior divider panels, hold-down straps and accessory pockets can help keep clothing, shoes and smaller essentials in place.
A lightweight suitcase can also make a difference, particularly on airlines with weight restrictions.
This is especially relevant in Europe, where some airlines publish both dimensions and maximum cabin-bag weights. Lufthansa, for example, lists an 8 kg standard cabin-bag limit, while other airlines use different weight allowances.
Your suitcase itself is part of the equation.
Should You Choose 55 × 40 × 20 or Something Larger?
That depends on your usual airlines.
If you mainly fly airlines with generous cabin-bag allowances, a larger suitcase may offer more packing space.
But if your travel regularly includes stricter airlines, choosing a slimmer international cabin bag can give you more flexibility.
Travelpro's European range includes cabin bags designed around stricter dimensions, including models at 55 × 40 × 20 cm. These are intended to work across a broad range of international airline restrictions.
Think about your most restrictive regular airline rather than your most generous one.
That can save you from discovering at the airport that your suitcase is just a few centimetres too large.
How to Measure Your Cabin Bag
Before your trip, measure the suitcase as it will actually travel.
That means:
- Stand the suitcase upright.
- Measure its full height.
- Measure the widest point.
- Measure its full depth.
- Include wheels and handles.
- If the suitcase expands, check both the unexpanded and expanded dimensions.
Travelpro publishes overall dimensions separately from case dimensions for its luggage, making this comparison easier.
If your airline allows 55 × 40 × 20 cm, for example, a suitcase with a 55 cm case but additional height from its wheels or handles could exceed the published allowance.
Packing for European Trips
The beauty of a cabin bag is that it encourages you to be selective.
For a city break, start with a small collection of pieces that can work across several outfits. Add one extra layer for changing weather, comfortable shoes and a compact toiletry kit.
For longer trips, consider doing laundry rather than automatically moving up to a larger suitcase.
Packing cubes can also make a compact cabin bag easier to manage. Use them to separate outfits, underwear, accessories or other categories so you can find what you need without unpacking everything.
And remember that expansion is not automatically your friend.
If your cabin bag expands beyond its airline's maximum dimensions, keep it unexpanded when travelling in the cabin.
Check the Rules Before Every Trip
European travel can involve multiple airlines in a single itinerary.
You might fly one airline outbound and another home. You might connect through a different carrier. Or you might book a budget fare where the cabin-bag allowance is different from what you expected.
Check the rules for each operating airline before departure.
Travelpro's airline guide currently shows just how widely cabin-bag dimensions vary across Europe. Ryanair, easyJet, British Airways, Lufthansa and Air France all publish different allowances.
And because airline policies can change, use the carrier's current baggage information rather than relying solely on a general luggage-size chart.
The Takeaway
If you are shopping for a European cabin bag, 55 × 40 × 20 cm is a useful starting point, but it is not a universal rule.
The right size depends on where you are flying and what your fare includes.
With updated EU air passenger rules expected to apply in 2027, travellers will also have a guaranteed free personal item of up to 40 × 30 × 15 cm under the new rules.
For frequent travellers who move between different European airlines, a compact cabin bag designed around stricter dimensions can offer greater flexibility. For travellers who consistently fly airlines with more generous allowances, a larger cabin bag may make sense.
The goal is not to find the largest bag you can bring on board.
It is to find a cabin bag that fits your airline's rules, makes efficient use of its space and is easy to live with from check-in to arrival.
FAQ: European Cabin-Bag Dimensions
What is the standard cabin-bag size in Europe?
There is no single European standard. However, 55 × 40 × 20 cm is a common reference for larger cabin bags on European airlines. Individual airline allowances vary.
Is 55 × 40 × 20 cm the same as 22 × 14 × 9 inches?
Not exactly. 55 × 40 × 20 cm is approximately 21.7 × 15.7 × 7.9 inches. The proportions are different, particularly in width and depth.
Does 55 × 40 × 20 include wheels?
Check the specific airline and luggage manufacturer. Travelpro's published overall dimensions for its 55 × 40 × 20 cm international cabin bags include wheels and handles.
What is the difference between a personal item and a cabin bag?
A personal or small under-seat bag is designed to fit beneath the seat in front of you. A larger cabin bag is designed for the overhead compartment.
Under the updated EU rules expected to apply in 2027, passengers will have the right to bring one personal item free of charge, with maximum dimensions of 40 × 30 × 15 cm, provided it fits under the seat.
Can I bring a 55 × 40 × 20 cm suitcase on Ryanair?
Ryanair currently lists 55 × 40 × 20 cm for its larger overhead cabin bag, subject to the applicable Priority & 2 Cabin Bags allowance. Its free small bag is currently 40 × 30 × 20 cm, which Ryanair increased from its previous 40 × 25 × 20 cm allowance in September 2025.
Is a smaller cabin bag better for European travel?
If you regularly fly airlines with strict cabin-bag limits, a slimmer suitcase can give you more flexibility. Travelpro offers cabin bags around 55 × 40 × 20 cm specifically for travellers navigating stricter international allowances.
What is the new 2027 EU personal-item size?
Under the updated EU air passenger rules, passengers will have the right to bring one personal item free of charge, with maximum dimensions of 40 × 30 × 15 cm, provided it fits under the seat. The updated rules are expected to apply in 2027 following the implementation period.
Should I check my cabin-bag allowance before every flight?
Yes. Airline baggage rules can differ by carrier, fare, route and aircraft, and policies can change. Always check the current allowance for your specific booking before travelling.