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Steel Bar Weight Per Meter Calculator

Steel Bar Weight Formula:

\[ Weight (kg/m) = \frac{D^2}{162} \]

mm

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1. What is Steel Bar Weight Calculation?

The steel bar weight calculation formula estimates the weight of steel reinforcement bars per meter length. This is essential for construction projects to determine material requirements and costs.

2. How Does the Calculator Work?

The calculator uses the standard formula:

\[ Weight (kg/m) = \frac{D^2}{162} \]

Where:

Explanation: The formula calculates the theoretical weight of steel bars based on their cross-sectional area and density of steel (7850 kg/m³).

3. Importance of Steel Weight Calculation

Details: Accurate weight calculation is crucial for construction planning, cost estimation, transportation logistics, and structural design calculations.

4. Using the Calculator

Tips: Enter the diameter of the steel bar in millimeters. The value must be greater than 0. Common diameters include 8mm, 10mm, 12mm, 16mm, 20mm, 25mm, and 32mm.

5. Frequently Asked Questions (FAQ)

Q1: Why is the constant 162 used in the formula?
A: The constant 162 is derived from the density of steel (7850 kg/m³) and unit conversion factors to simplify the calculation.

Q2: Is this formula applicable to all types of steel?
A: This formula is specifically for mild steel reinforcement bars. Other steel types with different densities may require adjustment.

Q3: How accurate is this calculation?
A: This provides a theoretical weight. Actual weight may vary slightly due to manufacturing tolerances and surface deformations on reinforcement bars.

Q4: Can I calculate weight for different lengths?
A: Yes, simply multiply the result (kg/m) by the desired length in meters to get the total weight.

Q5: What are the common applications of this calculation?
A: This calculation is essential for construction projects, reinforcement planning, material procurement, and structural engineering design.

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