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Volumetric Weight Calculator

Calculate multiple package sizes together and see whether actual or dimensional weight drives the shipping charge.

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Billing rules

Shipment rules and package sizes

Choose the carrier rule, then add one row for each identical package size.

The value is in cm³/kg. Enter the factor from your rate agreement when it differs.

Billable weight scope

Divisors and rounding rules vary by carrier, service, origin country, and contract. Confirm the applicable rate sheet before quoting.

Package profiles

Enter the packed gross weight of one package in each row.

Package 1

Dimensional weight

56 kg

Billable weight

56 kg

Dimensional basis

Shipment summary

Estimated billable weight

56 kg

Total actual weight

24 kg

Total dimensional weight

56 kg

Total CBM

0.28 m³

Cargo density

85.7 kg/m³

Actual versus dimensional weight

Actual24 kg
Dimensional56 kg

Packaging optimization

Density needed to avoid dimensional weight
200 kg/m³
Extra billable weight from volume
32 kg
Target volume reduction
57.1%

This is a total-volume target, not a recommendation to reduce only one side.

Freight simulation

Reference estimate before fuel, minimum, remote-area, customs, and other surcharges.

Currency
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Estimated freight

$211.00

Logistics planning notice

This tool is a planning aid only. Actual freight charges, customs treatment, chargeable weight, carrier rules, warehouse limits, and contractual terms must be confirmed with the carrier, forwarder, warehouse, or official shipping documents.

Result workspace

Save this result, compare previous runs, or share a report.

Dimensional and billable weight

Dimensional weight converts occupied space into a weight equivalent. Carriers commonly compare actual and dimensional weight for each package and bill the larger value.

Usage notes

  • Dimensional kg = length(cm) × width(cm) × height(cm) ÷ divisor × quantity.
  • 5000 is common for express services and 6000 for general air freight, but the contracted rule takes priority.
  • Billable weight applies the selected rounding rule to the larger actual or dimensional value per package or shipment.
  • Break-even density in kg/m³ = 1,000,000 ÷ divisor.

Frequently asked questions

Should I use 5000 or 6000?expand_more

5000 is common for international express and 6000 for general air cargo. Always use the factor shown by your carrier or forwarder.

Can I combine several boxes before comparing weights?expand_more

If the carrier rates each piece, compare actual and dimensional weight per package first, then add the billable weights.

Why can the final invoice be higher?expand_more

Minimum charges, fuel and security surcharges, pickup, customs, remote-area fees, and carrier remeasurement can change the final amount.

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