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
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