Carry-on Baggage Rules 2026 – Dimensions, Weight, and Important Regulations at a Glance

Those traveling by plane should be familiar with the airlines' current carry-on baggage rules. Dimensions, weight, and permitted items can vary significantly depending on the airline. To avoid problems during boarding, it's worth taking a close look at the most important carry-on baggage regulations.

In this guide, you will learn what carry-on baggage dimensions are allowed, how heavy a cabin bag can be, and which items are permitted or prohibited in carry-on baggage.

What counts as carry-on baggage?

Carry-on baggage refers to bags, trolleys, or backpacks that are allowed into the aircraft cabin. Most airlines permit at least one piece of carry-on baggage, often supplemented by a small personal item.

Typical Carry-on Items

• Carry-on suitcase
• Cabin trolley
• Backpack
• Laptop bag
• Handbag

Standard Dimensions for Carry-on Baggage

Many airlines adhere to the classic carry-on dimensions of 55 x 40 x 20 cm. However, the permitted sizes vary depending on the airline and the booked fare.

As carry-on baggage rules can change regularly, travelers should recheck the current regulations of their respective airline before departure.

How heavy can carry-on baggage be?

The allowed weight for carry-on baggage with most airlines is between 6 kg and 10 kg. Some budget airlines primarily check dimensions, while premium airlines often also check weight.

Tips for saving weight

• Choose lightweight hardshell suitcases
• Transport heavy items in checked baggage
• Roll clothes to save space
• Only bring necessary electronics

Liquids in Carry-on Baggage

Strict security regulations apply to liquids in carry-on baggage. Liquids can usually only be transported in containers of up to a maximum of 100 ml.

The most important liquid rules

• Maximum 100 ml per container
• All containers must fit into a transparent 1-liter bag
• The bag must be re-sealable
• Usually only one bag is allowed per person

This includes shampoo, toothpaste, creams, beverages, and perfume, among other things.

What is allowed in carry-on baggage?

Many everyday items can be taken on board without any problems. However, different regulations may apply depending on the airline and security authorities.

Permitted items in carry-on baggage

• Laptop and tablet
• Smartphone and power bank
• Headphones
• Documents and valuables
• Medication
• Clothing and travel essentials

What is prohibited in carry-on baggage?

For security reasons, certain items are fundamentally prohibited in carry-on baggage.

Prohibited items

• Weapons and ammunition
• Large knives and sharp objects
• Flammable substances
• Explosive materials
• Tools with long blades

Special regulations also apply to power banks and batteries.

Carry-on Suitcase – What size is ideal?

A good carry-on suitcase combines low weight, maximum storage space utilization, and robust construction. Cabin suitcases with 4 wheels and a TSA lock are particularly popular.

Popular carry-on sizes

• 55 cm cabin trolley
• 40 liter carry-on suitcase
• Business trolley for short trips
• Underseat bag for budget airlines

Hardshell or Softshell for Carry-on Baggage?

Hardshell carry-on advantages

• Better protection for electronics
• Water-repellent
• Stable and durable

Softshell carry-on advantages

• More flexible when packing
• More easily accessible external pockets
• Often lower intrinsic weight

Tips for stress-free travel with carry-on baggage

• Check airline regulations before your trip
• Measure and weigh carry-on baggage in advance
• Store liquids separately
• Keep important documents easily accessible
• Transport power banks in carry-on baggage

Conclusion – Travel relaxed with the right carry-on baggage

Knowing the current carry-on baggage rules saves time, extra fees, and stress at the airport. The right carry-on suitcase also provides more comfort and optimal organization while traveling.

When buying a cabin suitcase, pay attention to suitable dimensions, low weight, and high-quality craftsmanship. This way, you can travel comfortably and safely with your carry-on baggage.