Per revenue tonne (W/M): the greater of cubic metres and tonnes, usually with a minimum of 1 revenue tonne, plus origin and destination CFS charges.
CFS charges are often per W/M as well, so small shipments pay the minimum on several lines. Above roughly 12 to 20 cbm, depending on the lane, a 20' container is often cheaper even half empty.
Full guide: How to calculate an LCL quote.
A shipment of 3 pallets, 2.4 cubic metres and 850 kg. Weight in tonnes is 0.85; volume is 2.4. The greater is 2.4, so it is charged as 2.4 revenue tonnes (W/M). At an ocean rate of USD 45 per W/M, freight is USD 108, but if the minimum is 1 W/M at USD 75, small shipments below 1.67 W/M pay the minimum.
Most LCL quoting mistakes come from missing minimums or forgetting that destination charges are also per W/M.
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