Weight of MS Hollow Pipe Calculator

Hollow Pipe Weight Formula:

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

Density (ρ):

kg/m³

Outer Diameter (OD):

meters

Inner Diameter (ID):

meters

Length (L):

meters

Pipe Weight:

kilograms

1. What is a Hollow Pipe Weight Calculator?

Definition: This calculator estimates the weight of a hollow mild steel (MS) pipe based on its dimensions and material density.

Purpose: It helps engineers, fabricators, and construction professionals determine the weight of pipes for transportation, structural calculations, and material estimation.

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:

\( W \) — Weight of pipe (kilograms)
\( \rho \) — Density of material (kg/m³, default 7850 for mild steel)
\( OD \) — Outer diameter of pipe (meters)
\( ID \) — Inner diameter of pipe (meters)
\( L \) — Length of pipe (meters)

Explanation: The formula calculates the volume of the pipe material (cross-sectional area × length) and multiplies by density to get weight.

3. Importance of Pipe Weight Calculation

Details: Accurate weight calculations are essential for structural design, transportation planning, load-bearing assessments, and material cost estimation.

4. Using the Calculator

Tips: Enter the pipe dimensions in meters. Default density is for mild steel (7850 kg/m³). For solid rods, set ID = 0.

5. Frequently Asked Questions (FAQ)

Q1: What's the density of mild steel?
A: The standard density for mild steel is 7850 kg/m³ (7.85 g/cm³).

Q2: How do I convert pipe dimensions from inches to meters?
A: Multiply inch measurements by 0.0254 (1 inch = 0.0254 meters).

Q3: What if my pipe is not mild steel?
A: Change the density value (e.g., 2700 kg/m³ for aluminum, 8960 kg/m³ for copper).

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

Q5: Can I calculate weight per foot/meter?
A: Yes, set length to 1 meter (or 0.3048 feet) to get weight per unit length.