100 ml Liquid Bottles on a Plane: Exact TSA Limit
Volume & Exemption Status
100 ml (3.4 fl oz) — Maximum Legal Size
Governed by international 100 ml (3.4 fl oz) LAGs regulations
💧 3-1-1 液体物個別チェッカー
乗客1人あたり1リットル以下の透明ジッパー付き袋1枚。各容器は100ml (3.4 oz) 以下である必要があります。
計算は体積目安です。容器の形状により実際に入る個数は前後します。医薬品や離乳食は免除対象（要申告）です。 袋全体を計画しますか？ 容器ごとにパッキングを試す →
TSA & Aviation Security Rule Summary
100 ml (3.4 fl oz) is the exact international standard maximum volume for any single liquid, aerosol, or gel container carried through airport passenger security.
Related Verified Products
Vape Juice / E-Liquid
Carry-on: RESTRICTED · Checked: YES
Perfume / Cologne
Carry-on: RESTRICTED · Checked: YES
Salsa & Hot Sauce
Carry-on: RESTRICTED · Checked: YES
Shampoo & Conditioner
Carry-on: RESTRICTED · Checked: YES
Toothpaste
Carry-on: RESTRICTED · Checked: YES
Sunscreen
Carry-on: RESTRICTED · Checked: YES
Frequently Asked Questions
Is 3.4 oz the exact same as 100 ml?
100 ml equals 3.38 fluid ounces. Aviation authorities rounded this to 3.4 oz for US travelers.