Global flight baggage topic

Carry-on and checked baggage size and weight

How personal-item, cabin-bag and checked-bag limits work—and why your ticket and operating airline matter.

The short answer

There is no single worldwide cabin or checked-bag allowance. Measure wheels and handles, then use the smallest applicable operating-airline limit on your itinerary.

What changes the answer

Personal item versus overhead cabin bag
Fare product and route
Per-bag versus combined checked allowance

Detailed guides by situation

Why does carry-on size change by airline?What counts as a personal item on a flight?Is 23kg the global checked-bag limit?What does 158cm checked baggage mean?Which baggage rule applies on a codeshare flight?

Check a specific item

Luggage Protection Covers

Reviewed: 2026-09-10

Official sources

Open official source

Rules vary by airline and route

Always verify important restrictions with your airline and the official security authority before departure.