Shipping calculator

DIM Weight Calculator

A compact DIM weight calculator for label checks and packing-station decisions. Dimensions, divisor, and actual weight stay visible together.

Live calculator

Calculate dimensional & billable weight

Enter finished outside dimensions. Results update with every change.

CALCULATES LOCALLY · NO UPLOAD

Length in Width in Height in Actual weight lb

Dimensions Weight Carrier / method

DIM divisor Editable. The unit follows the selected preset. Apply carrier-style whole-unit rounding

FORMULA

DIM Weight = Length × Width × Height ÷ DIM Divisor

Billable weight is the greater applicable actual or dimensional weight.

ESTIMATED BILLABLE WEIGHT-

Dimensional weight-

Actual weight-

Cubic size-

Difference-

Billing basis-

Enter package measurements to calculate.

VOLUME-

DIVISOR UNITin³/lb

Method

How this calculation works

Use the exact divisor and rounding convention in your carrier contract. ParcelCal runs the calculation in your browser; no package or shipment information is uploaded.

FORMULA

DIM = Package cubic size ÷ divisor

Use the exact divisor and rounding convention in your carrier contract.

Worked example

18 × 14 × 8 in quick check

1.Volume: 2,016 in³
2.2,016 ÷ 139 = 14.50 lb
3.Round as required by the carrier

A 10 lb package may rate at 15 lb after whole-pound rounding.