Liquids in Carry-On vs Checked Baggage (2026 Flight Rules)
Carry-on liquids are capped at 100 ml (3.4 oz) in a quart bag, while checked bags allow full-size bottles with zero volume limit. Review rules.
The Decision Verdict (40–60 Words)
Liquids in carry-on baggage are strictly restricted under the 3-1-1 rule to containers of 100 ml (3.4 oz) or smaller within a single one-quart clear bag. In checked baggage, non-hazardous liquids (shampoo, wine, perfume) are permitted in unlimited quantities subject only to airline weight limits.
Detailed Comparison Table
| Comparison Dimension | Carry-On Baggage 100 ml Limit | Checked Baggage No Volume Cap |
|---|---|---|
| Maximum Container Volume Differs by Rule | No volume limit (up to 50 lb bag weight) Source (TSA) | |
| Alcoholic Beverages Allowance Differs by Rule | Miniatures ≤ 100 ml inside 3-1-1 bag Source (TSA) |
Where Rules Are 100% Identical
To prevent false assumptions, the following standards are shared without difference between all compared parties:
- Flammable liquids with flash points under 60°C are prohibited in both
Key Rule Distinctions Explained
What is the rule for maximum container volume?
Carry-on bags enforce the 100 ml cap. Checked bags allow full-size shampoo bottles, lotions, and beverages without security volume restrictions.
What is the rule for alcoholic beverages allowance?
In checked luggage, FAA permits up to 5 liters of alcohol per passenger for beverages between 24% and 70% ABV (48 to 140 proof). Over 70% ABV is strictly banned everywhere.
Traveler Recommendation & Decision Summary
Pack travel-size liquids for your flight in cabin bags; place full-size toiletries, wine, and spirits securely inside checked luggage.
Check Your Exact Items
Use our free calculators to verify watt-hours or liquids volume for your flight.
Frequently Asked Questions
How much liquid can I pack in a checked suitcase?
There is no regulatory volume limit for non-hazardous liquids in checked luggage. You can pack as many full-size shampoos, sunscreens, lotions, and beverages as fit within your airline checked baggage weight limit, which is typically 50 pounds (23 kg) per checked suitcase.
Official Primary Sources & Citations
- TSA Liquids Rule Verified: 2026-09-03
- FAA PackSafe Alcoholic Beverages Verified: 2026-09-03