MasterTool

FedEx Dimensional Weight Calculator

Estimate FEDEX dimensional and billable weight.

Carrier DIM reference last updated · reference source

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Dated static reference; no live data is fetched. Verify current source values and assumptions before relying on results.

What this tool does

Estimate FEDEX dimensional and billable weight. Divisor is editable. DHL often quotes cm³/kg divisor 5,000, equivalent to approximately 138.4 in³/lb; use the rate specified in your quote.

How to use the FedEx Dimensional Weight Calculator

  1. Enter or select package length in in.
  2. Enter or select package width in in.
  3. Enter or select package height in in.
  4. Enter or select package count.
  5. Enter or select actual weight per package in lb.
  6. Enter or select dim divisor (cubic inches per lb).
  7. Read the calculated result; change any measurement to compare alternatives.

Formula

DIM lb per package=ceil(L×W×H/divisor); billable=max(ceil(actual lb),DIM lb); total=billable×count
length
Package length (in, before metric conversion)
width
Package width (in, before metric conversion)
height
Package height (in, before metric conversion)
count
Package count
weight
Actual weight per package (lb, before metric conversion)
divisor
DIM divisor (cubic inches per lb)

Divisor is editable. DHL often quotes cm³/kg divisor 5,000, equivalent to approximately 138.4 in³/lb; use the rate specified in your quote.

Worked example

For fedex dimensional weight calculator, the following measurements illustrate the exact method: Package length: 20; Package width: 16; Package height: 12; Package count: 1; Actual weight per package: 10; DIM divisor (cubic inches per lb): 139.

Inputs

  • Package length20 in
  • Package width16 in
  • Package height12 in
  • Package count1
  • Actual weight per package10 lb
  • DIM divisor (cubic inches per lb)139

Result

  • Billable weight per package28 lb
  • DIM weight per package28 lb
  • Total billable weight28 lb

Results explained

Billable weight per package
Billable weight per package from the formula above, expressed in lb before metric conversion. Divisor is editable. DHL often quotes cm³/kg divisor 5,000, equivalent to approximately 138.4 in³/lb; use the rate specified in your quote.
DIM weight per package
DIM weight per package from the formula above, expressed in lb before metric conversion. Divisor is editable. DHL often quotes cm³/kg divisor 5,000, equivalent to approximately 138.4 in³/lb; use the rate specified in your quote.
Total billable weight
Total billable weight from the formula above, expressed in lb before metric conversion. Divisor is editable. DHL often quotes cm³/kg divisor 5,000, equivalent to approximately 138.4 in³/lb; use the rate specified in your quote.

Frequently asked questions

DIM lb per package=ceil(L×W×H/divisor); billable=max(ceil(actual lb),DIM lb); total=billable×count

Measure outside dimensions after packaging, including protrusions. Use total gross weight including the packaging and pallet where appropriate.

No. Carriers also consider route, service, handling, minimum charges and commodity restrictions. Enter current carrier rules and get a confirmed quote.

Carrier rounding policies differ. Dimensional weight here is rounded up per package; entered dimensions are not silently rounded. Round measurements as required by your carrier.

Divisor is editable. DHL often quotes cm³/kg divisor 5,000, equivalent to approximately 138.4 in³/lb; use the rate specified in your quote.