Steel (TMT) Calculator
Frequently asked
How is TMT bar weight calculated?
The standard formula for TMT bar weight is (diameter in mm squared) divided by 162, multiplied by length in metres. This calculator converts feet to metres and applies wastage.
How much does a 12mm TMT bar weigh per metre?
A 12mm TMT bar weighs about 0.888 kg per metre. For a full 40‑ft (12.19 m) bar, the weight is approximately 10.83 kg.
How much binding wire is required for steel reinforcement?
Binding wire is typically 9–13 kg per ton of steel. This calculator uses 12 kg per ton (0.012 × total weight) to estimate the binding wire requirement.
Which related calculators pair well with the Steel (TMT) Calculator?
People estimating steel for construction often also use Cement Concrete Calculator for RCC work and Brick Calculator for masonry. Each is free and quotation-ready.