Frequently Asked Questions
What is the standard carry-on size?
Most US airlines accept 22 x 14 x 9 inches. International varies more: IATA recommends 22 x 18 x 10 inches but enforcement varies by airline. Budget carriers (Spirit, Frontier, Ryanair, easyJet) enforce stricter limits, often 18 x 14 x 8 inches.
How do I measure my bag correctly?
Measure the external dimensions including handles, wheels, and any external pockets at their thickest points. Use a tape measure, not the bag's marketed size which sometimes excludes hardware. Empty the bag - fully packed bags are slightly larger.
Liter capacity vs cubic inches?
Manufacturers prefer liters (1 L = 61 in³). For reference: 20 L = small day bag, 30 L = full day bag, 40 L = generous carry-on, 65 L = checked bag for a week. The bag size you need depends on trip length and packing style.
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