Concrete for post holes Step 1:Size of posts Please enter the dimensions of the post(s) you are using. Round post Diameter of post cm OR Rectangular post Width of post cm Breadth of post cm CancelNext Note: Convert your post sizes into centimetres. Concrete for post holes Step 2:Size of holes Please enter the dimensions of the hole(s). Depth of hole cm Dig an extra 10cm and fill with drainage gravel Diameter of hole cm Back Cancel Next Note: The diameter and depth of your hole will depend upon what type of post you are setting, your soil conditions and the planned load on the post. If you are unsure, consult the relevant expert for your post project. Concrete for post holes Step 3:No. of posts Please enter the number of posts you are setting. Number of posts Back CancelNext Concrete for post holes Step 4:Calculation To complete this project you will need the following quantity of concrete: 0.000 cubic metres 0 20kg bags We've assumed: There is no allowance for wastage included in this calculation. The bag requirement has been rounded up to the nearest whole bag. Recommended products Click on the product images for more infomation. or Project instructions For step-by-step instructions, please select a project guide below: > How to set a fence post > Setting a letterbox post > Setting a clothesline > How to set an upright BackNew Calculation
