Line Pipe Weight Calculator
Calculate steel line pipe weight for construction projects
Table of Contents
How to Use
- Enter outer diameter in inches
- Enter wall thickness in inches
- Enter pipe length in feet
- Select material type (carbon steel or stainless steel)
- Click calculate to see total weight and weight per foot
Understanding Pipe Weight Calculations
Pipe weight calculations are essential for structural engineering, transportation planning, and cost estimation in construction projects. The weight depends on the pipe's dimensions and the density of the material.
This calculator uses the formula: Weight = (OD² - ID²) × 0.2854 × Length, where OD is outer diameter, ID is inner diameter, and 0.2854 is a constant for carbon steel.
Material Densities
- Carbon Steel: 0.284 lbs/cubic inch (most common)
- Stainless Steel: 0.289 lbs/cubic inch (corrosion resistant)
- Difference is approximately 1.8% heavier for stainless
Common Pipe Sizes
Standard pipe sizes range from small diameter (1-2 inches) to large diameter (24+ inches). Wall thickness is typically specified as schedule (SCH 40, SCH 80, etc.) or actual thickness in inches.
- Small bore: 1" - 6" outer diameter
- Medium bore: 8" - 16" outer diameter
- Large bore: 18" - 48" outer diameter
Frequently Asked Questions
- How much does steel pipe weigh per foot?
- Steel pipe weight per foot depends on the outer diameter and wall thickness. For example, a 4-inch diameter pipe with 0.237-inch wall thickness (SCH 40) weighs approximately 10.79 lbs/ft. Use this calculator with your specific dimensions for accurate results.
- What is the difference in weight between carbon steel and stainless steel pipe?
- Stainless steel is approximately 1.8% heavier than carbon steel due to its higher density (0.289 vs 0.284 lbs/cubic inch). For most applications, this small difference is negligible, but it matters for large-scale projects.
- How do I calculate pipe weight from schedule number?
- Pipe schedules (SCH 40, SCH 80, etc.) define wall thickness for specific pipe diameters. First, look up the wall thickness for your pipe diameter and schedule, then use this calculator with the outer diameter and wall thickness to determine weight.
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