How do you calculate electric cable copper weight?

wire weight = material_density * 3.14159 * (0.5 * cable_diameter)² * cable_length

example for copper with 152 meter length:

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material_density for copper = 8960 kg/m³

cable_diameter=0.006 meter

cable_length=152 meter

weight of wire = 8960 kg/m³ * 3.14159 * (0.5 * 0.006)² * 152 = 38.51 kg

lenght and diameter must be calculated in "meters"

density must be in "kg/m³"