Free engineering, logistics and trade calculators, no sign-up.
XunL is a free collection of more than 270 browser-based tools for industrial engineering, logistics and international trade. You can work out steel plate, pipe and sheet-metal weights; size rotary airlock valves or cooling towers; plan cartons per pallet and container loads; and look up HS codes and Incoterms 2020 responsibilities. Every tool works without an account, in English, German, Spanish or Chinese.
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