KLM cabin bag size and weight
What KLM’s own page says you can take into the cabin, checked 22 October 2026.
KLM cabin allowance
| Bag | Size | Weight | Cost | Notes |
|---|---|---|---|---|
| Small bag (all tickets) | 40 × 30 × 15 cm | Not stated | Included | Placed under the seat in front of you. Counts towards the combined weight. |
| Hand baggage (Economy Light, Standard and Flex) | 55 × 35 × 25 cm | 12 kg | Depends on fare | Including handles and wheels. 12 kg is the combined weight with your small bag (18 kg in Business). |
Fares: Economy Basic includes only the small bag; you can buy a piece of hand baggage.
Source: klm.co.uk, checked 22 October 2026. “Not stated” means we didn’t find it on that page. Allowances can differ by route, cabin and codeshare partner, so check your booking and the airline that operates your flight.
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Enter your bag’s measurements in the cabin bag checker to compare it with KLM and 35 other airlines at once.
Flying with a power bank? See KLM power bank rules.
Other airlines
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Guidance only. Security staff and airlines make the final decision, and rules can differ by airport, airline and route.