实用工具与计算器

Item checker

Item + airline + route + fare + border → one structured verdict with limits, exceptions and sources.

Bag sizer

Enter your bag’s dimensions — see instantly which airline sizer boxes it fits.

Battery watt-hour calculator

Convert mAh to Wh and get the instant carry-on verdict for any power bank.

3-1-1 liquids bag planner

Build your whole liquids bag bottle by bottle — what passes, what to check, what is exempt.

Pack checklist

Tick what you are bringing — get your carry-on vs checked split. Free forever.

Alcohol rules checker

ABV + bottle size → carry-on and checked limits instantly.

Powders 350 ml / 12 oz checker

Evaluate protein powders, creatine, coffee, and spices against X-ray density thresholds.

Gate-check rights assistant

Forced gate check? Find out what cannot fly in cargo (power banks, vapes).