Copper Coil Weight Calculator

Copper Coil Weight Formula:

\[ W = \pi \times \left(\left(\frac{OD}{2}\right)^2 - \left(\frac{ID}{2}\right)^2\right) \times Width \times Density \]

Outer Diameter (OD):

Inner Diameter (ID):

Width:

Density:

kg/m³

Coil Weight:

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1. What is a Copper Coil Weight Calculator?

Definition: This calculator estimates the weight of a copper coil based on its dimensions and material density.

Purpose: It helps engineers, manufacturers, and metal workers determine the weight of copper coils for material planning, shipping, and cost estimation.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ W = \pi \times \left(\left(\frac{OD}{2}\right)^2 - \left(\frac{ID}{2}\right)^2\right) \times Width \times Density \]

Where:

\( W \) — Weight of copper coil (kg)
\( OD \) — Outer diameter of coil (m)
\( ID \) — Inner diameter of coil (m)
\( Width \) — Width/height of coil (m)
\( Density \) — Density of copper (kg/m³, default 8960)

Explanation: The formula calculates the annular area of the coil cross-section and multiplies by width and density to get total weight.

3. Importance of Copper Coil Weight Calculation

Details: Accurate weight estimation is crucial for material handling, transportation planning, cost calculation, and structural support design.

4. Using the Calculator

Tips: Enter the outer diameter (OD), inner diameter (ID), width of the coil (all in meters), and copper density (default 8960 kg/m³). All values must be positive with OD > ID.

5. Frequently Asked Questions (FAQ)

Q1: What's the standard density of copper?
A: Pure copper has a density of 8960 kg/m³ at room temperature. Alloyed copper may have slightly different densities.

Q2: How do I measure coil dimensions?
A: Measure OD and ID across the coil's circular face. Width is the height of the coil when placed flat.

Q3: What if my coil is solid (no inner diameter)?
A: Set ID to 0 in the calculator for solid copper cylinders.

Q4: Does this account for coil imperfections?
A: The calculation assumes perfect geometry. For precise measurements, consider adding 1-2% to account for irregularities.

Q5: Can I use this for other metals?
A: Yes, by changing the density value. For example, use 2700 kg/m³ for aluminum or 7870 kg/m³ for steel.