Travel Tools

TSA Liquid Limit Checker

Enter the size of each liquid container in your carry-on to check against the common 3-1-1 rule (100mL per container, all in one quart-sized bag).

mL
mL
mL
✓ Meets the 3-1-1 carry-on rule
Total: 260mL across 3 containers (bag limit ~1000mL)

TSA's 3-1-1 rule (and similar rules used by most international airports): each container ≤100mL/3.4oz, all containers fit in a single quart/liter-sized bag. Exemptions exist for medications, baby formula, and similar — always check current rules for your specific airport before packing.

How to use this tool

  1. 1Enter the size of each liquid container in milliliters.
  2. 2Add or remove containers to match your bag.
  3. 3See whether you meet the 3-1-1 rule.

Frequently asked questions

Are there exemptions?+

Yes — medications, baby formula, and some medical liquids are commonly exempt in larger quantities, but rules vary by airport, so check current guidance before you fly.

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