Global flight baggage guide
What is the 100ml liquid rule for carry-on bags?
Many checkpoints limit each carry-on liquid, aerosol, gel, cream and paste container to 100ml/3.4oz. The departure checkpoint decides.
Scope
TSA rule shown as a widely used reference, not a universal airport rule. Check the departure airport.
Before-you-fly checklist
- 1Measure the container capacity, not the remaining amount.
- 2Place eligible containers in the required screening bag.
- 3Check exemptions and airport-specific procedures before travel.
Reviewed: 2026-09-09
Official sources
Keep checking
Related baggage questions
- How should I pack medicine for a flight?
- Can perfume go in carry-on or checked baggage?
- How do I carry baby formula and breast milk on a flight?
Check a specific item
Rules vary by airline and route
Always verify important restrictions with your airline and the official security authority before departure.