Freight calculators that just work.
Volume, chargeable weight, freight class and container fit from one set of carton sizes. Then a carrier-ready quote request when you need a rate.
- Free, no account
- cm, mm, inches or feet
- PDF and Excel export when you need it
The airline bills 480 kg, set by volumetric weight.
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Cubic meters from L × W × H × quantity, in cm, mm, in or ft.
L × W × H × quantity = m³Estimate how many cartons fit in a 20ft, 40ft or 40HC container.
The greater of actual and volumetric weight — what you pay for.
Density-based NMFC freight class from weight and dimensions.
All 11 terms: who pays, who insures, where risk transfers.
Cartons per pallet and pallets per container, by footprint fit.
Floor area for N pallet positions, or positions in a floor area, by truck type.
Dimensional weight from shipment size and the carrier divisor.
Pallets per 53ft van, trailer, pup or box truck — with double stacking.
Your numbers as one carrier-ready quote request. Paste it into any email.
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One snippet per calculator. Free with a Freight Tools link, or white-label in your own colour with Pro.
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Get the Freight Math Cheat Sheet
Every formula on one printable PDF — CBM, volumetric weight, carrier divisors, container capacity, boxes per pallet, and the full freight class table. Occasional shipping-math updates, no spam.