Tools / TSA liquids checker
TSA liquids: the 3-1-1 rule, made simple
Not sure if it counts as a liquid, or whether it belongs in your carry-on or checked bag? Search any item below.
Liquids, gels, aerosols, creams and pastes in your carry-on must be 3.4 oz (100 ml) or smaller, all fitting in one quart-size (1 liter) resealable bag, one bag per traveler. Larger amounts go in checked luggage.
Empty through security, then refill after. Full bottles over 100 ml are not allowed in carry-on.
Counts as a liquid: 100 ml or less in carry-on.
100 ml or less in carry-on, larger bottles in checked.
Solid stick is fine at any size. Gel or spray follows the 100 ml rule.
100 ml or less in carry-on.
Allowed over 100 ml in carry-on. Declare it at the checkpoint for separate screening.
Lithium batteries must fly in the cabin, never in checked luggage.
Fine in carry-on. Take it out of the bag at screening.
Disposable and cartridge razors are fine. Loose double-edge blades go in checked.
Allowed in carry-on if the blades are shorter than 4 inches (10 cm).
Any knife must go in checked luggage.
One common lighter on your person. Not allowed in checked luggage.
Toiletry aerosols follow the 100 ml rule in carry-on.
Must be in the cabin, never checked. Do not charge or use in flight.
Solid food is fine. Spreads, dips and yogurt count as liquids.
Allowed over 100 ml when travelling with an infant. Declare it at screening.
Counts as a liquid or gel: 100 ml or less in carry-on.
Better in carry-on so it is not knocked around.
Allowed in carry-on only if it has no blade.
One book of safety matches on your person. Strike-anywhere matches are not allowed at all.
General US TSA guidance, not a guarantee. Rules change and agents have the final say. The official TSA tool always wins.