Home Back

Square Pipe Weight Chart

Square Pipe Weight Formula:

\[ W = \rho \times (a^2 - b^2) \times L \]

kg/m³
m
m
m

1. What is a Square Pipe Weight Calculator?

Definition: This calculator estimates the weight of square pipes based on material density, outer and inner dimensions, and length.

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

2. How Does the Calculator Work?

The calculator uses the formula:

\[ W = \rho \times (a^2 - b^2) \times L \]

Where:

  • \( W \) — Weight of the pipe (kilograms)
  • \( \rho \) — Material density (kg/m³)
  • \( a \) — Outer side length (meters)
  • \( b \) — Inner side length (meters)
  • \( L \) — Pipe length (meters)

Explanation: The formula calculates the cross-sectional area (outer area minus inner area) and multiplies it by length and density to get weight.

3. Importance of Pipe Weight Calculation

Details: Accurate weight calculations are essential for structural integrity assessments, transportation planning, and cost estimation in construction projects.

4. Using the Calculator

Tips:

  • Default density is 7850 kg/m³ (steel)
  • Enter outer and inner dimensions in meters
  • For solid bars, set inner dimension to 0
  • All values must be positive numbers
  • Outer dimension must be larger than inner dimension

5. Frequently Asked Questions (FAQ)

Q1: What's the typical density for steel pipes?
A: Most carbon steels have a density of about 7850 kg/m³. Stainless steel is typically 8000 kg/m³.

Q2: How do I calculate for rectangular pipes?
A: Use the formula: W = ρ × ((a₁×a₂) - (b₁×b₂)) × L, where a₁,a₂ are outer dimensions and b₁,b₂ are inner dimensions.

Q3: What if my pipe is in millimeters?
A: Convert to meters by dividing by 1000 before entering values (10mm = 0.01m).

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

Q5: Can this be used for other materials?
A: Yes, just input the appropriate density (e.g., aluminum ≈ 2700 kg/m³, copper ≈ 8960 kg/m³).

Square Pipe Weight Chart© - All Rights Reserved 2025