Are the divisors up to date?

They are the common published retail divisors. Carriers change them and contract rates may differ, so check your account and use “Custom” if needed.

No. Everything is calculated in your browser and your inputs are saved only on this device.

Free Dimensional Weight Calculator

Enter the box size and weight to see what the carrier will charge for.

LengthWidthHeightUnitCarrierCustom divisorActual weight

Weights are in pounds for inches, kilograms for centimetres. Carriers round up to the next whole unit.

Dimensional weight–

Billable weight–

Divisor used–

Are the divisors up to date?: They are the common published retail divisors. Carriers change them and contract rates may differ, so check your account and use “Custom” if needed.
Is my data stored?: No. Everything is calculated in your browser and your inputs are saved only on this device.