About VolumeWeightCalc

What we do

VolumeWeightCalc is a free, fast and accurate chargeable-weight calculator suite. Enter your package dimensions and actual weight, and instantly get the billable weight for express couriers (DHL, UPS, FedEx — ÷5000), IATA air cargo (÷6000) and sea freight (CBM / revenue tons).

Who it's for

• Freight forwarder staff rating shipments during the working day
• E-commerce sellers estimating shipping costs for product pricing
• Small businesses optimizing packaging and carrier choice
• Anyone sending a parcel who doesn't want a billing surprise

Key features

• Result updates as you type — no Calculate button, no sign-up
• Independent units: measure in inches, bill in kilograms (or any combination)
• Multi-box shipments with per-piece (courier) and per-shipment (IATA) billing rules
• Custom divisor support for negotiated contracts
• Everything runs in your browser — no data is uploaded

Why we built this

Most shipping bills surprise people because of volumetric weight. We built a tool that gives the real billable number in under ten seconds, with the same billing rules carriers actually use — including the per-piece vs per-shipment difference most calculators ignore.