What Size Bag

Liquids in your bags

How much liquid goes in a carry-on or checked bag, in the US, UK and EU.

TSA liquids rule3.4 oz (100 ml) containers in one quart-size bag, and the exceptions for medicine, baby liquids, duty free and ice. Is my bottle travel size?Type a bottle's size in fluid ounces or milliliters to see if it's within TSA's 3.4 oz (100 ml) and the UK and EU 100 ml. Liquids in checked bagsWhat can go in the hold: the FAA's 500 ml and 2 L toiletry limits, the 5 liter spirits limit, and what's banned in both bags. UK and EU liquids rules100 ml containers and the 1 litre bag at UK and EU airports, the UK airports that allow 2 litres, and the exceptions. Baby formula and breast milkFormula, breast milk, baby food and ice packs through TSA and UK security, and when the baby has to be with you. Medication on a planePills, liquid medicine, inhalers, insulin and their ice packs through TSA and UK security, and when you need proof of prescription. Duty-free liquidsTaking duty free through security on a connection: TSA's sealed bag and 48 hour rule, and the UK and EU security bags. Aerosols on a planeHairspray, deodorant, sunscreen, dry shampoo and perfume in carry-on and checked bags, and the sprays that can't fly. Can I bring alcohol on a plane?Type the % alcohol or proof on the label: carry-on minis, the checked bag limits by strength, and what can't fly.

Liquid limits at a glance

The main limit on each liquids page, as of October 2026
LiquidLimit
TSA liquids rule3.4 oz (100 ml) a container, one quart-size bag
Travel size bottle3.4 oz (US), 100 ml (UK and EU)
Toiletries the FAA limits, checked500 ml each, 2 L in all
UK and EU hand luggage100 ml; up to 2 litres at some UK airports
Formula and breast milkOver 3.4 oz allowed, outside the quart bag
Liquid medicineOver 3.4 oz in reasonable quantities, declared
Duty free, connecting in the USSealed bag, receipt, bought within 48 hours
Toiletry sprays3.4 oz carry-on, 500 ml a can checked
Spirits, over 24% to 70% alcohol5 L per person, checked, unopened

US limits are TSA’s and the FAA’s. Officers decide on the day.

Where we get our information from

Limits come from TSA, the FAA, the UK government and the European Union. Checked against published data from TSA, FAA, US DOT (eCFR), GOV.UK and European Union.

See all 12 sources
  • TSA, Liquids, Aerosols, and Gels Rule (with its duty free exemption for inbound international flights)
  • TSA, Frequently Asked Questions: Liquids, Aerosols, and Gels Rule
  • TSA, What Can I Bring?: Alcoholic beverages
  • TSA, What Can I Bring?: Breast Milk
  • TSA, What Can I Bring?: Baby Formula
  • TSA Cares, Disabilities and Medical Conditions: Medications
  • TSA, What Can I Bring?: Medications (Liquid)
  • TSA, What Can I Bring?: Hair Spray
  • FAA, PackSafe chart (printable, updated November 14, 2025): medical and toiletry articles, aerosols, alcoholic beverages, duty-free perfume
  • US DOT (eCFR), 49 CFR 175.10: exceptions for passengers, crewmembers and air operators
  • GOV.UK, Hand luggage restrictions at UK airports: liquids
  • European Union, Your Europe: luggage restrictions (last checked by the EU June 16, 2026)

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General guidance from airline, TSA and FAA rules, checked on the date shown. Rules change, and the airline and security officers decide on the day: check your airline before you fly.