Free Calculator Tool

Volumetric Weight Calculator

Find out the chargeable weight of your parcel — the key number that determines your shipping cost.

Enter Your Parcel Dimensions

How Volumetric Weight Works

Carriers charge by chargeable weight — which is the higher of actual weight or volumetric weight. This prevents shippers from paying low rates for large, lightweight packages that take up significant space in a delivery vehicle.

Standard courier formula (÷ 5000):
Volumetric weight (kg) = Length (cm) × Width (cm) × Height (cm) ÷ 5000
Example: 60 × 40 × 40 cm box ÷ 5000 = 19.2 kg volumetric weight
Air freight formula — IATA standard (÷ 6000):
Volumetric weight (kg) = Length (cm) × Width (cm) × Height (cm) ÷ 6000
IATA standard used by DHL Express, UPS, and FedEx for international air shipments.

To avoid paying volumetric weight charges: use the smallest box that safely fits your goods. Void space inside a large box costs you money.

Frequently Asked Questions

What is volumetric weight?

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Volumetric weight (also called dimensional weight) is a calculated weight based on a parcel's size. Carriers use it to charge for the space a package takes up in their vehicle or aircraft, not just its actual weight.

Why do carriers use volumetric weight?

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A delivery vehicle has a weight limit and a volume limit. Very light but bulky packages fill the truck before the weight limit is reached. Volumetric pricing ensures the carrier is compensated for the space used.

How can I reduce my volumetric weight?

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Use the smallest box that safely fits your item. Avoid over-sized packaging with lots of empty space. Right-sizing your packaging can significantly reduce shipping costs.

Does every carrier use ÷ 5000?

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Most domestic and EU road couriers use ÷ 5000. IATA international air freight uses ÷ 6000. Some carriers have moved to ÷ 4000 or ÷ 5000 — check the specific carrier's tariff for the exact divisor.

What is CBM and when is it used?

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CBM (cubic metre) is used in sea freight (LCL) and some road freight pricing. 1 CBM = a box measuring 100×100×100 cm. LCL sea freight is typically charged at €90–€280 per CBM depending on the destination.

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