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Circular Pipe Weight Calculator

Pipe Weight Formula:

\[ W = \frac{\rho \times \pi \times (OD^2 - ID^2) \times L}{4} \]

kg/m³
m
m
m
kg

1. What is a Circular Pipe Weight Calculator?

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

Purpose: It helps engineers, plumbers, and construction professionals determine pipe weight for transportation, installation, and structural calculations.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ W = \frac{\rho \times \pi \times (OD^2 - ID^2) \times L}{4} \]

Where:

  • \( W \) — Pipe weight (kilograms)
  • \( \rho \) — Material density (kg/m³)
  • \( OD \) — Outer diameter (meters)
  • \( ID \) — Inner diameter (meters)
  • \( L \) — Pipe length (meters)

Explanation: The formula calculates the cross-sectional area of the pipe wall, multiplies by length to get volume, then by density to get weight.

3. Importance of Pipe Weight Calculation

Details: Accurate weight calculations are essential for structural support design, transportation planning, and installation safety.

4. Using the Calculator

Tips:

  • Enter material density (7850 kg/m³ for steel)
  • Measure diameters in meters (convert from mm: divide by 1000)
  • For solid rod, set inner diameter to 0
  • All values must be positive, with OD > ID

5. Frequently Asked Questions (FAQ)

Q1: What's the typical density for common pipe materials?
A: Steel: 7850 kg/m³, Aluminum: 2700 kg/m³, Copper: 8960 kg/m³, PVC: 1380 kg/m³.

Q2: How do I convert the result to pounds?
A: Multiply kg result by 2.20462 to get pounds.

Q3: What if my pipe measurements are in inches?
A: Convert inches to meters by multiplying by 0.0254 before entering values.

Q4: How accurate is this calculation?
A: It provides theoretical weight. Actual weight may vary due to manufacturing tolerances.

Q5: Can I calculate weight per foot/meter?
A: Yes, enter 1 meter (or 0.3048 m for 1 foot) as the length to get weight per unit length.

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