Calculate Steel Pipe Weight

Select pipe type, enter dimensions, and click Calculate to get results instantly.

mm
mm
mm
pieces
Per Meter
kg/m
Per Piece
kg
Total Weight
kg

How to Use This Calculator

  1. Select pipe type — Round, Square, or Rectangular.
  2. Choose material — Pick preset or enter custom density.
  3. Enter dimensions — OD/side, wall thickness, length in mm.
  4. Set quantity — Number of pieces.
  5. Click "Calculate" — Instant weight results.

Weight Calculation Formulas

Round Pipe

W = π × (OD − T) × T × L × ρ ÷ 1,000,000,000

Square Pipe (SHS)

W = 4 × (A − T) × T × L × ρ ÷ 1,000,000,000

Rectangular Pipe (RHS)

W = 2 × (A + B − 2T) × T × L × ρ ÷ 1,000,000,000

Round Pipe Weight Chart (kg/m)

OD (mm)T=2T=3T=4T=5T=6T=8T=10

Square Pipe Weight Chart

Side (mm)T=2T=3T=4T=5T=6T=8

Rectangular Pipe Weight Chart

A×B (mm)T=2T=3T=4T=5T=6T=8

Frequently Asked Questions

How accurate is this calculator?
Theoretical weight ±3-5% due to tolerances. For exact weights refer to mill certificates.
NPS vs OD?
NPS is nominal; OD is actual. Always enter OD in mm.
Stainless density?
304: 7930, 316: 8000, 430: 7750 kg/m³.