Steel Bar (Sariya) Weight Calculator

Calculate the weight of TMT steel bars from diameter and length using D²/162, with a per-metre weight chart.

How to Calculate Steel Weight

Pick the bar diameter, enter length and number of bars, and click Weight Nikalein.

What is the formula?

Weight per metre = D² ÷ 162 kg, where D is diameter in mm.

What is the weight of a 12 mm bar?

About 0.89 kg per metre, or about 10.7 kg for a 12 m bar.

Can I find the cost?

Yes, enter the rate per kg.

How accurate is it?

Mill weight can vary by about ±3%.

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Last updated: 06 Nov 2026 • 100% free • Mobile friendly

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