From toothpaste and deodorant to perfume and hair products, the TSA defines many products we use daily as liquids. Knowing how many ounces you can take on a plane and how to pack and present them for screening is essential to a smooth flight. Get your measurements right and your liquids within limits, and it’s easy to breeze through security.

TSA regulations: how many ounces you can take on a plane

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TSA liquid limits: understanding in ounces

Special exceptions to how many ounces you can take on a plane

Tips for fluid airport security checks

How many liquids can you bring on a plane?

FAQs

TSA regulations: how many ounces you can take on a plane

When packing a carry-on bag , one of the most important things to consider is how to pack liquids correctly. The 3-1-1 rule is the gold standard for remaining within the TSA liquid allowance, and it’s quite easy to follow.

All liquids must be within containers of 3.4 ounces (100 milliliters) or less.…