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Dimensional Shipping Weight Calculator

Compare a parcel’s actual mass with its volumetric weight using the carrier’s divisor.

Use a consistent reporting periodCheck the calculation below
Shipping desk
Shipping desk

Use the divisor supplied by your carrier; rounding and oversize charges are separate.

See the method

Measure your parcel

Runs on your device

Billable weight estimate

Your result

Let’s calculate.

Use the Calculate button to see your result.

Review the method below for assumptions and conventions.

How to use this tool

  1. Enter parcel length, parcel width, parcel height, carrier volumetric divisor, actual mass.
  2. Select Calculate to view the result.
  3. Check the method and assumptions below before using the result.

The method, explained

Volumetric kg = length×width×height/divisor; unrounded billable basis is the greater of actual and volumetric mass.

A WORKED EXAMPLE

Using parcel length = 50 cm, parcel width = 40 cm, parcel height = 30 cm, carrier volumetric divisor = 5000 cm³/kg, actual mass = 8 kg, the result is 12 kg. Change these example inputs to match your task; use the method above to check each step.

Understanding your result

Enter the carrier’s current divisor. Carrier rounding, minimums, oversize charges and packaging rules are not applied.

What to keep in mind

Enter the carrier’s current divisor. Carrier rounding, minimums, oversize charges and packaging rules are not applied. Use consistent currencies, reporting periods and accounting definitions. This arithmetic estimate excludes items not entered in the form.

Common questions

How do I use this dimensional shipping weight calculator?

Compare a parcel’s actual mass with its volumetric weight using the carrier’s divisor. Enter parcel length in cm, parcel width in cm, parcel height in cm, carrier volumetric divisor in cm³/kg, actual mass in kg. The starting example is editable; use values for the same system or project.

Which assumptions affect this result?

Enter the carrier’s current divisor. Carrier rounding, minimums, oversize charges and packaging rules are not applied.

Methodology maintained by ClarityKit. How these tools are built and checked.