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Square Bar Weight Calculator

Updated 8 November 2026Checked against IS 1732How we check

Calculate the weight of MS and stainless steel square bars in kg per meter and per length. Enter the side of the square, or use the chart below.

All results are in kg.

Material

Side

Length

Quantity (pieces)

Rate per kg (₹, optional)

Measure one side (A) of the square bar.

–Weight of 1 piece

–Total weight

–Weight per meter

–Weight per foot

–Total in tonnes

–Total in pounds

–Paint / galvanizing area

–Estimated cost

MS Square Bar Weight Chart

Size (mm)	kg per m	Per 6 m	Per 20 ft
6 × 6	0.283	1.70	1.72
8 × 8	0.502	3.01	3.06
10 × 10	0.785	4.71	4.79
12 × 12	1.130	6.78	6.89
16 × 16	2.010	12.06	12.25
20 × 20	3.140	18.84	19.14
25 × 25	4.906	29.44	29.91
32 × 32	8.038	48.23	49.00
40 × 40	12.560	75.36	76.57
50 × 50	19.625	117.75	119.63

Weight (kg/m) = Side (mm) × Side (mm) × 0.00785

Example: a 12 mm square bar weighs 12 × 12 × 0.00785 = 1.130 kg/m, or 6.78 kg for 6 m.

What is the weight of a 12 mm square bar?

A 12 mm MS square bar weighs about 1.130 kg per meter, or 6.78 kg for a 6 m length.

What is the weight of a 10 mm square bar?

A 10 mm square bar weighs 0.785 kg per meter, or 4.71 kg for 6 m.

What is the weight of a 16 mm square bar?

A 16 mm square bar weighs about 2.010 kg per meter, or 12.06 kg for 6 m.

Is a square bar heavier than a round bar of the same size?

Yes. A square bar has about 27% more steel than a round bar whose diameter equals the square side, so it is about 27% heavier.