Dimensional Weight Calculator

What is the dimensional weight calculator?

Carriers charge on whichever is greater: actual weight or dimensional weight, calculated from the box volume divided by a DIM divisor. Light, bulky parcels are therefore billed far above what the scales say. Enter your dimensions, actual weight and your carrier's divisor to see the billable weight — and how much packaging you would need to remove to drop a band.

How to use it

1. 1Enter your length (cm), width (cm), height (cm), actual weight (kg) and dim divisor.
2. 2Press Calculate. Results update instantly, so you can change a number and compare.
3. 3Read the dimensional weight (kg) and billable weight (kg) first — those are the numbers that decide the call.
4. 4Save the result to your account if you want to come back to it later.

Frequently asked questions

Is the Dimensional Weight Calculator free to use?

Yes. The Dimensional Weight Calculator is free, unlimited and does not require an account. Creating a free account only adds favourites, saved results and history.

Is my data sent anywhere?

No. Everything runs in your browser — your figures never leave the device unless you choose to save a result to your account.