CBM Calculator Unit of Measurement Millimetre(mm) Centimeters (cm) Inches (in) Quantity Length Width Height Gross Weight Weight Unit Kilograms (kg) Pounds (lb) Calculate Volume: Cubic Meters (m³): Cubic Feet (ft³): Total Weight: Kg: Lb: Volumetric Weight: Air (kg): Sea (kg): Estimated Container Load: 20 FT Container (~33 CBM): units 40 FT Container (~67 CBM): units 40 FT HC Container (~76 CBM): units