Australia Post dimensional weight calculator

Divisor 111 in³/lb · 4,000 cm³/kg. Part of freightcalcs.com.

Divisor (inches)
111 in³/lb
Divisor (metric)
4,000 cm³/kg
Example: 20×16×12 in box
34.6 lb dim

Australia Post charges by cubic weight at 250 kg per cubic meter (4,000 cm³/kg) when it exceeds actual weight.

Calculate Australia Post dimensional weight

Dim weight
Billable weight

Formula: L × W × H ÷ 111 (inches) or ÷ 4,000 (cm). Billable = greater of actual and dim weight, rounded up. Compare carriers on the main dim weight calculator.

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