Copper Conductor Weight Guide
1) Why conductor weight matters
Conductor weight affects shipping, reel handling, tray loading, and project cost. Copper is dense compared with aluminum, so small size changes matter. This calculator converts your geometry and length into mass and weight force. It helps estimate purchasing quantities, lifting needs, and material budgeting.
2) Copper density and typical values
The default density is 8960 kg/m³, a common room-temperature value for copper. Real products can vary slightly with alloying and temperature. If you have a datasheet, enter that density for closer results. Density changes are usually smaller than geometry measurement errors.
3) Geometry options and practical inputs
Round wire uses diameter, while busbars use width and thickness. Tubes use outer and inner diameters to remove the hollow core. If your supplier provides cross-sectional area, you can enter area directly. The AWG option computes diameter from gauge, then finds area.
4) Stranding and packing factor
Stranded conductors contain air gaps between strands. The packing factor scales copper fill to reflect those gaps. Solid conductors usually use 1.00, while stranded might use 0.90–0.96. If you know strand count and lay, use your specified fill factor.
5) Units, conversions, and consistency
The tool converts all inputs to SI units internally. Length is converted to meters, and area to square meters. This keeps formulas consistent and reduces rounding mistakes. You can still enter practical units like mm, inches, feet, and AWG.
6) The calculation pathway
First, cross-sectional area A is computed from your geometry. Effective copper area becomes Aeff = A × packing factor. Volume is V = Aeff × L, then mass is m = ρ × V. Weight force uses W = m × g, with g = 9.80665 m/s².
7) Cost estimation and planning
If you enter a price per kilogram, the calculator multiplies by mass. This is useful for quick comparisons across sizes and lengths. For procurement, remember to include scrap, lugs, insulation, and wastage. You can export the result as CSV for quoting and documentation.
8) Interpreting results for real projects
Use mass (kg) for purchasing and logistics, and weight (N) for loads. For lifting, convert weight force to kilograms-force if needed by policy. For large busbars, verify dimensions after plating or machining. When in doubt, measure a sample length and compare with the estimate.