This page is built to answer one thing fast: weight of ms square pipe per meter. Use the calculator, copy the kg/m, and convert any length into total weight for billing, dispatch, and costing.
You only need two inputs: outer size B × B and thickness t (mm). The calculator uses steel density 7850 kg/m³ unless you change it.
Enter outer size and thickness in mm. Get kg per meter and total weight for your length.
Weight per meter
— kg/m
Total for entered length
— kg
Quick check (MS): Asteel = 4·t·(B − t) (mm²) and kg/m = 0.00785·Asteel.
MS square pipe is a hollow square. Weight comes from the steel area in the cross-section.
Asteel = B² − (B − 2t)² = 4t(B − t)
kg/m = density × Asteel × 10−6
kg/m ≈ 0.0314 × t × (B − t) (when density is 7850 kg/m³)
Practical note: actual weight can vary due to thickness tolerance, corner radius, and coating (GI). Use MTC / measured thickness for billing-critical cases.
Calculated using density 7850 kg/m³. Use as a fast reference for estimation and quotation.
| Name | Outer size (mm) | Thickness (mm) | Weight (kg/m) | Weight for 6 m (kg) | Typical use |
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For B and t in mm: A = 4t(B − t) (mm²). Then kg/m = 0.00785 × A for MS (7850 kg/m³).
Because of tolerance, corner radius, and coating. Use chart values for estimation and MTC/measured thickness for final billing.
Multiply: Total kg = (kg/m) × 6.
Send size, thickness, and quantity. We’ll map it to kg/m and share a clean quote.