Airport & Security 6 min read
Airline Baggage Allowance Guide: Carry-On Size & Weight Limits
Avoid unexpected airport baggage fees by mastering carry-on dimensions (22x14x9 inches), personal item rules, and checked bag weight limits (50 lbs / 23 kg).
Written byNathaniel Grant
Senior Travel Editor & Aviation Specialist
Fact-checked by Sarah Jenkins
Updated September 2026
AI Travel Summary & Overview
Guide Summary & Essential Takeaways
Avoid unexpected airport baggage fees by mastering carry-on dimensions (22x14x9 inches), personal item rules, and checked bag weight limits (50 lbs / 23 kg).
Key Travel Facts & Insights
- Standard Overhead Carry-On Sizes
Standard Overhead Carry-On Sizes
US legacy carriers allow 22x14x9 inch carry-ons, while budget airlines enforce strict sizer box measurements.
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Frequently Asked Questions
What happens if my checked bag exceeds 50 lbs?
Airlines charge overweight fees ranging from $50 to $200 for bags between 51 and 70 lbs.