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Use our shipping and logistics calculators to estimate package size, calculate shipping costs, determine freight class, and convert between volume and weight units for domestic and international shipping.
Calculate cubic meters (CBM) for shipping container volume
Calculate volume in cubic feet for shipping and storage
Calculate volume in cubic meters for international shipping
Calculate dimensional (volumetric) weight for shipping costs
Determine NMFC freight class for LTL shipping rates
Shipping costs are determined by either the actual weight or the dimensional (volumetric) weight of a package, whichever is greater. Understanding how to calculate these values helps you estimate shipping costs accurately and optimize your packaging to reduce expenses.
CBM is the standard unit of measurement for international shipping. It's calculated by multiplying length × width × height in meters. Most freight forwarders use CBM to determine the volume-based cost of your shipment.
Also known as volumetric weight, dimensional weight reflects the amount of space a package occupies relative to its actual weight. Carriers use this calculation because light, bulky items take up valuable cargo space.
The National Motor Freight Classification (NMFC) assigns freight classes from 50 to 500 based on density, handling, stowability, and liability. Lower classes have lower shipping rates. Understanding your freight class helps you budget accurately for LTL (Less Than Truckload) shipments.