Calculate the amount of concrete needed for pouring columns using metric measurements.
To calculate the volume of a column (cylinder), you need to know the diameter and the height of the column.
V = Π * D² ÷ 4 * h where V = concrete volume in cubic feet pi = 3.14159...... d = diameter h = height
column height = 6 metres diameter = 300mm = 0.3 metres needed = 5 columns 3.14159 * 0.3² ÷ 4 * 6 * 5 = 2.12 cubic metres of concrete
3.14159 * 0.3² ÷ 4 * 6 * 5 =
3.14159 * 0.09 ÷ 4 * 6 * 5 = 2.12 rounded to two decimals
You need 2.12 cubic metres of concrete for these five columns.
To convert cubic metres to cubic yards multiply cubic metres * 1.30795061931439 To convert cubic metres to cubic feet multiply cubic metres * 35.3146667214886