Use the online product calculator below to work out the quantity required for your project / job. Please note if you have a small job then the calculator rounds up to the nearest bag.

Please use ‘mm’ for ALL values. (i.e., 1m = 1000mm)

Simply fill in all three values, and the calculator will display quantity required.

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Strongcrete Ready to use Concrete (20kg) bags: 0
Strongcrete 36 MPA Concrete (20kg) bags: 0

Strongcrete Ready to Use Concrete (20kg)

  • Suitable for applications such as pathways, small slabs and fence posts.
  • The addition of 1.4 – 2 litres of water to a 20kg bag of Ready to Use concrete will produce around 9.5 – 10 litres of concrete.

Strongcrete 36MPa Concrete (20kg)

  • Ideal for driveways, footings, and reinforced slabs.
  • The addition of 1.7 – 2 litres of water to a 20kg bag of 36Mpa concrete will produce around 9.5 – 10 litres of concrete.

Strongcrete 15 Minute Concrete (20kg)

  • As a guide, for posts up to 1.8m in length, use two 20kg bags.
  • For larger posts use two – three bags
  • Where higher strengths are required, use Hi Strength 15 Minute concrete

Strongcrete Hi Strength 15 Minute Concrete (20kg)

  • As a guide, for posts up to 1.8m in length, use two 20kg bags.
  • For larger posts use two – three bags
  • To be used for any project requiring strengths of up to 30 MPa