Free online calculator
Pipe Weight Calculator
Weight per metre of pipe from OD, wall thickness and material density (steel ≈ 7850 kg/m³).
How it works
- Weight = π × (OD − t) × t × ρ ÷ 1,000,000
- OD and t in mm, ρ in kg/m³
- Steel ≈ 7850, stainless ≈ 8000
Worked example
Ø114.3, t 6.02, steel → ≈ 16.07 kg/m (4" Sch40).
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Reference tool — always validate against project specs. Not a substitute for a qualified engineer.