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Pipe Weight Calculator — kg/m, lb/ft & Total Weight

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OD / wall unit Length unit Material Custom density (kg/m³) Used only for Custom.Outside diameter (OD) Use actual OD, not NPS/DN.Wall thickness Length per piece Quantity Whole pieces.Rate per kg (optional) 0 disables cost.Target/reference unit Target unit weight (optional) Reverse-solves wall thickness; 0 disables.Measured/published unit weight (optional) Reports variance; 0 disables.

Calculated result

16.075 kg/m · 10.802 lb/ft

96.45 kg per piece · 96.45 kg total for 1 piece(s)

ID 102.26 mm · steel/material area 2,047.83 mm²

2.155 m² outside surface area for entered batch

Enter rate/kg for material-cost planning

Enter target unit weight to reverse-solve wall thickness

Enter measured/published unit weight to audit variance

Show the working

1. Normalize OD 114.3 mm; wall 6.02 mm; ID = 114.3 − 2 × 6.02 = 102.26 mm.
2. Area = π/4 × (114.3² − 102.26²) = 2,047.833 mm².
3. Unit mass = 2,047.833 × 10⁻⁶ × 7,850 = 16.0755 kg/m.
4. Piece mass = 16.0755 × 6 = 96.453 kg; batch = × 1 = 96.453 kg.

Geometric theoretical mass from actual OD, wall and density. NPS/DN is not OD, and schedule is not a wall thickness by itself. Manufacturing tolerances, weld seam, coatings/linings and grade density can change delivered mass; use the applicable standard or manufacturer data for procurement, lifting and safety-critical work.

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