Rectangular Tube Weight Calculation Formula

Rectangular Tube Weight Formula:

\[ Weight = Density \times Length \times (Width \times Height - (Width - 2 \times Thickness) \times (Height - 2 \times Thickness)) \]

Density (kg/m³):

kg/m³

Length (m):

Width (m):

Height (m):

Thickness (m):

Weight:

Unit Converter ▲

Unit Converter ▼

From:	To:

1. What is the Rectangular Tube Weight Formula?

The Rectangular Tube Weight Formula calculates the weight of a rectangular hollow section based on its dimensions and material density. This calculation is essential for structural engineering, construction planning, and material estimation.

2. How Does the Calculator Work?

The calculator uses the rectangular tube weight formula:

\[ Weight = Density \times Length \times (Width \times Height - (Width - 2 \times Thickness) \times (Height - 2 \times Thickness)) \]

Where:

\( Density \) — Material density (kg/m³)
\( Length \) — Length of the tube (m)
\( Width \) — Outer width of the tube (m)
\( Height \) — Outer height of the tube (m)
\( Thickness \) — Wall thickness of the tube (m)

Explanation: The formula calculates the cross-sectional area of the tube by subtracting the inner hollow area from the outer area, then multiplies by length and density to get the total weight.

3. Importance of Weight Calculation

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

4. Using the Calculator

Tips: Enter all dimensions in meters and density in kg/m³. Ensure thickness is less than half of both width and height for valid calculations. Common steel density is 7850 kg/m³.

5. Frequently Asked Questions (FAQ)

Q1: What units should I use for the calculation?
A: Use meters for all dimensions (length, width, height, thickness) and kg/m³ for density for consistent results.

Q2: How do I find the density of my material?
A: Material density values are typically available in engineering handbooks. Common values: steel = 7850 kg/m³, aluminum = 2700 kg/m³.

Q3: What if my tube has rounded corners?
A: This formula provides an approximation. For precise calculations of tubes with rounded corners, more complex formulas accounting for corner radius should be used.

Q4: Can this formula be used for square tubes?
A: Yes, square tubes are a special case of rectangular tubes where width equals height.

Q5: How accurate is this calculation?
A: The calculation is theoretically accurate for perfect rectangular tubes with uniform wall thickness. Real-world variations in manufacturing may cause slight differences.