wt. per mtr
to find the wt per mtr of steel bar • Take the dia of the bar • Divide the dia by 2 • Square the obtained value • Divide the value by 4 • Mark the point before last digit Example 1 IF THE DIA IS 16 MM DIVIDE BY 2 16/2 = 8 SQUARE THE OBTAINED VALUE 82 = 64 DIVIDE THE VALUE BY 4 64/4 = 16 MARK THE POINT BEFORE LAST DIGIT 1.6 kg/m Example 2 IF THE DIA IS 12 MM DIVIDE BY 2 12/2 = 6 SQUARE THE OBTAINED VALUE 62 = 36 DIVIDE THE VALUE BY 4 36/4 = 9 MARK THE POINT BEFORE LAST DIGIT 0.9 kg/m