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Calculate Volume of Pipe in Gallons

Pipe Volume Formula:

\[ V = \pi \times \left(\frac{d}{2}\right)^2 \times L \times 264.172 \]

meters (m)
meters (m)

1. What is a Pipe Volume Calculator?

Definition: This calculator estimates the volume of liquid a pipe can hold based on its diameter and length, with results in gallons.

Purpose: It helps plumbers, engineers, and DIYers determine pipe capacity for fluid transport, irrigation systems, or storage applications.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ V = \pi \times \left(\frac{d}{2}\right)^2 \times L \times 264.172 \]

Where:

  • \( V \) — Volume (gallons)
  • \( d \) — Pipe diameter (meters)
  • \( L \) — Pipe length (meters)
  • 264.172 — Conversion factor (gallons per cubic meter)

Explanation: The formula calculates the cylindrical volume in cubic meters then converts to gallons.

3. Importance of Pipe Volume Calculation

Details: Accurate volume calculations ensure proper system design, flow rate planning, and chemical dosing in pipelines.

4. Using the Calculator

Tips: Enter the pipe diameter and length in meters. Both values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: Why is the result in gallons?
A: Gallons are a common unit for liquid measurement, especially in the US. Change the conversion factor for other units.

Q2: Can I use feet instead of meters?
A: For feet input, change the conversion factor to 7.48052 (gallons per cubic foot).

Q3: Does this account for pipe thickness?
A: No, this calculates internal volume based on diameter. For exact capacity, use internal diameter.

Q4: How accurate is this calculation?
A: It's mathematically precise for perfect cylinders. Real pipes may vary slightly due to manufacturing tolerances.

Q5: What's the conversion factor for liters?
A: Use 1000 instead of 264.172 for liters (1 cubic meter = 1000 liters).

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