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Use this calculator to help you work out how much sand, soil or other product you will need.
For Rectangular or square areas enter your width and length below
Or if you know the size of the area you wish to fill enter it here
How deep do you need to fill?
Total Volume Required
Work out the area
Simply multiply 3.1415 (π) by the radius, by the radius again
W x L ÷ 2
Multiply the width and the length then divide by 2
(W1 x L2) + (W2 x L2)
Break the area into regular shapes and add the areas together
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