50 ml Liquid Bottles on a Plane: 3-1-1 Liquids Rule
Volume & Exemption Status
50 ml (1.7 fl oz) — Compliant
Governed by international 100 ml (3.4 fl oz) LAGs regulations
💧 3-1-1 liquids rule checker
One quart-size (≈1 L) bag per passenger; every container must be 3.4 oz (100 ml) or less.
Fit is approximate — container shape decides real-world packing. Medically necessary liquids and infant food are exempt: declare them. Packing a whole bag? Plan it container by container →
TSA & Aviation Security Rule Summary
A 50 ml container is well within the 100 ml (3.4 fl oz) maximum container size limit. You can pack multiple 50 ml bottles in your single clear quart-size bag.
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Deep dive: The 3-1-1 liquids rule explained
Read what counts as a liquid, gel, aerosol, or paste at airport security.
Frequently Asked Questions
How many 50 ml bottles can fit in a quart bag?
Typically 6 to 9 individual 50 ml travel bottles fit comfortably in a standard 1-quart transparent zip-top bag.