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  1. Home
  2. Units & math
  3. Dimensional weight calculator
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Dimensional weight calculator

Enter box sizes and weights to get volumetric and chargeable weight under any carrier divisor, with a per-box table and a shipment total.

This tool is in beta

Still being tested. If a result looks wrong, tell us.

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BoxL (cm)W (cm)H (cm)Weight (kg)Qty
1

Enter box sizes and weights to price the shipment.

The carrier table is a dated reference, not a live rate card: express couriers divide cubic centimetres by 5000; FedEx and UPS US retail rates divide cubic inches by 139 and round every side up to whole inches; USPS uses 139 over one cubic foot (the 2026-07-12 rule change from 166) and skips dim weight at or under that box; air cargo divides by 6000. Real invoices add fuel, remote-area and oversize fees, and the rate card your shipper hands you wins over anything here.

Shipment

Measure in
Weigh in
Carrier divisorInternational express (DHL and most couriers), 5000 cm3/kg
More settings▾
Round chargeable weight up toBilling steps, in the weigh-in unit
Rate unit

Up to 50 box rows, quantities up to 10,000.

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