How dimensional weight is calculated
Multiply package length, width and height, then divide by the selected dimensional-weight divisor.
Always confirm the correct dimensional factor and rounding rules with the carrier or freight provider before rating a shipment.
Frequently asked questions
What is dimensional weight?
It is a calculated weight based on how much space a shipment occupies rather than only its physical mass.
What is chargeable weight?
It is commonly the greater of actual weight and dimensional weight, subject to carrier rules.
Is the divisor always 5000?
No. Divisors vary by carrier, service and transport mode.
Using this calculator effectively
Dimensional weight converts package volume into a billing weight using a carrier divisor. The calculator compares that value with actual weight so you can see which figure may become the chargeable basis.
Common uses
- Estimating volumetric weight for parcel and air-freight shipments.
- Comparing actual weight with dimensional weight.
- Testing how smaller packaging could change the chargeable-weight estimate.
Tips for a better estimate
- Use the divisor published by the carrier and service you will actually use.
- Measure the package's outside dimensions after packing.
- Check carrier rounding and minimum-charge rules because they can change the billed result.
Helpful guides
Dimensional Weight Explained · CBM vs Dimensional Weight
Related calculations
Air Freight Chargeable Weight Calculator · LCL Chargeable Volume Calculator · CBM Calculator