how to calculate weight of steel of a given diameter!? to calculate the weight of a steel bar of any given diameter you just have to put that diameter to this formula and voila! it does the magic for you: And.......... the formula is: (D 2 /162.162) bear in mind! this formula is just for any 1 meter length ,when the length gets more than one meter you just simply multiply it by that number of meters. for instance, you want to know how much would a 18 cm bar with the total length of 2 m weigh up!? So, ...
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