Rectangular Hollow Pipe Weight Calculator Imperial And Metric

Weight Calculation Formula:

\[ Weight = Volume \times Density \]

For rectangular hollow pipe:

\[ Volume = (OuterWidth \times OuterHeight - InnerWidth \times InnerHeight) \times Length \times WallThickness \]

Unit System:

Outer Width:

Outer Height:

Wall Thickness:

Length:

Material Density:

kg/m³

Calculated Weight:

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1. What is Rectangular Hollow Pipe Weight Calculation?

The weight of a rectangular hollow pipe is calculated based on its dimensions and material density. This calculation is essential for engineering, construction, and logistics planning.

2. How Does the Calculator Work?

The calculator uses the following formula:

\[ Weight = Volume \times Density \]

Where:

\( Volume = (OuterWidth \times OuterHeight - InnerWidth \times InnerHeight) \times Length \)
\( InnerWidth = OuterWidth - 2 \times WallThickness \)
\( InnerHeight = OuterHeight - 2 \times WallThickness \)
Density — Material density (steel: 7850 kg/m³ or 490 lb/ft³)

Explanation: The calculator first determines the cross-sectional area by subtracting the inner empty area from the outer area, then multiplies by length to get volume, and finally by density to get weight.

3. Importance of Weight Calculation

Details: Accurate weight calculation is crucial for structural design, transportation planning, cost estimation, and safety considerations in construction and engineering projects.

4. Using the Calculator

Tips:

Select your preferred unit system (metric or imperial)
Enter outer dimensions and wall thickness
Specify length of the pipe
Input material density (default is steel)
All values must be positive numbers

5. Frequently Asked Questions (FAQ)

Q1: What's the difference between metric and imperial calculations?
A: Metric uses millimeters for dimensions, meters for length, and kg/m³ for density. Imperial uses inches for dimensions, feet for length, and lb/ft³ for density.

Q2: What's the typical density for steel pipes?
A: Steel density is approximately 7850 kg/m³ or 490 lb/ft³. The calculator uses these as default values.

Q3: How accurate is this calculation?
A: The calculation is theoretically accurate for perfect rectangular pipes with uniform wall thickness. Real-world variations may affect actual weight.

Q4: Can I use this for other materials besides steel?
A: Yes, simply input the appropriate density for your material (e.g., aluminum: ~2700 kg/m³ or 168 lb/ft³).

Q5: What if my pipe has rounded corners?
A: This calculator assumes sharp corners. For pipes with rounded corners, the calculation will slightly overestimate the weight.