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Bag Dimensions guides
Practical guidance about bag dimensions, with relevant airline rules, restrictions, and packing decisions in one place.
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Best Bag Dimensions for Ryanair: 40×20×25 vs 55×40×20 cm
Ryanair has two bag tiers with very different rules. Learn which size you need, what Priority Boarding costs, and which bags fit each limit.
Carry-On Size Calculator: Linear Inches, Dimensions, and How to Check
How to calculate carry-on size in linear inches: add height + width + depth, convert cm to inches, read airline dimension formats, and use soft bag tricks.
How to Measure Your Carry-On Bag Correctly
Step-by-step guide to measuring your carry-on bag for airline compliance. Covers wheels, handles, soft bags, and what to do if your bag is borderline.
What Size Is a Carry-On Bag? The Real Answer (2026)
No universal carry-on standard exists. US airlines use 22×14×9 in, EU airlines 55×40×23 cm, Asian carriers often 55×40×20 cm. Here's how to choose.
What Size Bag Fits Under an Airplane Seat? A Guide
Typical under-seat dimensions on commercial aircraft, which bag types work best, and how to measure your personal item for any flight.
How to Measure Luggage: A Step-by-Step Guide
Learn how to measure luggage correctly, including wheels and handles, to confirm it meets airline carry-on size limits before you reach the airport.