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Shipping Weight (Dimensional) Calculator

Work out shipping weight (dimensional) instantly with clear inputs, formula shown and shareable results.

About Shipping Weight (Dimensional) Calculator

Carriers charge on whichever is greater: actual weight or volumetric weight, calculated as length times width times height divided by a dimensional divisor — 5000 for most international courier services, giving an effective density of 200 kg per cubic metre.

Formula

Volumetric weight

volumetric kg = L x W x H (cm) / divisor; chargeable = max(actual, volumetric)

Worked example

With the default values below, Shipping Weight (Dimensional) Calculator returns Chargeable weight of 16.80. Change any input above and every figure here is recalculated in your browser.

Inputs used

Length
60 cm
Width
40 cm
Height
35 cm
Actual weight
8.5 kg

Results

Chargeable weight
16.80 kg
Volumetric weight
16.80 kg
Charged on
Volumetric weight (bulky item)
Dimensional divisor used
5,000

Step by step

  1. 1Values used
  2. 2Volumetric weight
  3. 3Chargeable weight= 16.80 kg
  4. 4Volumetric weight= 16.80 kg
  5. 5Charged on= Volumetric weight (bulky item)
  6. 6Dimensional divisor used= 5,000

Assumptions and limits

  • The result is derived only from the 4 inputs listed above. Anything not among them is not part of the calculation.
  • In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
  • Figures are rounded for display to 2 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.

How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.

Frequently Asked Questions

Why do divisors differ?

They encode the density a carrier considers break-even. 5000 is standard courier, 6000 for airlines under IATA rules and 4000 for some domestic express services.

How do I reduce chargeable weight?

Reduce the box to fit the contents. Every centimetre of void space is charged as if it were product at 200 kg per cubic metre.

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