Cement Australia

Concrete for post holes

Step 1:
Size of posts

Please enter the dimensions of the post(s) you are using.

Round post
cm
OR
Rectangular post
cm
cm

Note: Convert your post sizes into centimetres.

Concrete for post holes

Step 2:
Size of holes

Please enter the dimensions of the hole(s).

cm
Dig an extra 10cm and fill with drainage gravel
cm

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.

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

Assumptions

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
  • 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