All calculators

All free, no sign-up, and running entirely inside your browser: nothing you type leaves your computer.

What you will be charged

Dimensional weightBillable weight for parcels, road groupage, air and sea — including the loading metre for non-stackable freight.Freight classDensity to NMFC class on the 13-sub scale in force since July 2025, and how far you are from the next break.

What fits, and how it goes in

Pallets per containerGMA or Euro pallets into a 20ft, 40ft, high cube or European trailer, with double stacking and payload.Mixed loadSeveral different items in one container or trailer, with a stowage plan and a door-height check.Pallet loadingCartons, tubes and drums per pallet, with the pattern drawn and all four pallet sizes compared.

And whether it is legal

Top-over lashingsTop-over straps needed under EN 12195-1, from the STF on the label and what the load is standing on. Shows what an anti-slip mat would save you.Axle weightsDrag the load along the trailer and see each axle live. Warns when an axle is over, even when the total weight is fine.