Free Freight Tool

CBM to Weight Converter & Volume Weight Calculator

Convert cubic meters to estimated freight weight and compare volume weight across air, sea, and road freight.

The same cargo volume is rated differently by transport mode. For air freight, 1 CBM equals about 166.67 kg of volume weight, based on the ÷ 6000 formula.

How to use the CBM to Weight Converter & Volume Weight Calculator

  • Enter the volume in cubic meters.
  • Compare the volume weight for each transport mode.
  • Use the result as a planning figure and confirm the ratio with the carrier.

How to read the result

Tool results are planning aids. Confirm final values with the carrier, forwarder, or customs representative when they affect cost, compliance, or acceptance.

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Frequently asked questions

How many kg is 1 CBM in air freight?

About 166.67 kg of volume weight, based on the standard ÷ 6000 air cargo formula.