KLM

Allowed dimensions: 55x35x25 cm · Maximum weight: 12 kg

The context in a few words

In the broader airline landscape, KLM plays the reference-carrier role: a wide fleet, alliance memberships, and a carry-on policy built around passengers who travel between continents.

55x35x25 cm, 12 kg is above the market average. Worth noting if you travel with a 40-50 L backpack or an extended cabin case.

One useful benchmark: on KLM, cabin baggage typically fits the overhead bin of an Airbus A320 or Boeing 737, the most common types on their network. The 55x35x25 cm format at 12 kg matches standard bin dimensions, no more. Even seemingly compatible extended cases are best avoided.

Gate staff are typically less zealous than on low-costs, but the published grid still applies. Travelling planning ahead saves a place in the gate-check queue — "free" hold luggage that costs time on arrival.

The personal item — handbag, sleeve, underseat bag — makes all the difference on long flights. On KLM, used well, it frees the cabin case for essentials and keeps liquids, electronics and papers within reach during the flight.

Which bag for KLM?

Across KLM's network, what matters is consistency between the case and the published rules. The cases below are sized to clear without dispute.