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 or down to the nearest bag.
Concrete calculator
Please use 'mm' for ALL values. (i.e., 1m = 1000mm)
Total Volume = 0 m3
Litres Required = 0
Super Easy Mix in a bag (15kg) bags: 0
Easy to mix (20kg) bags: 0
Hi-Strength 36 (20kg) bags: 0
Easy to Mix (25kg) bags: 0
Easy to Mix (40kg) bags: 0
High-Strength 36 (30kg) bags: 0
Easy to Mix Concrete – 20kg Bag
- The addition of 1.8 – 2 litres of water to a 20kg bag of EASY TO MIX will produce around 9.5 – 10 litres of concrete.
Easy to Mix Concrete – 40kg Bag
- The addition of 4 litres of water to a 40kg bag of EASY TO MIX will produce around 18½ litres of concrete.
Hi-Strength 36 Concrete – 20kg Bag
- The addition of 1.6 – 1.8 litres of water to a 20kg bag of HI-STRENGTH 36 will produce around 11.5 litres of concrete.
Quick to Set Concrete - 20kg Bag
- As a guide, for posts up to 1.8m in length, use two 20kg bags
- For larger posts use 2 – 3 bags
- Where higher strengths are required, use Hi Strength Quick to Set concrete
Hi Strength Quick to Set Concrete
- As a guide, for posts up to 1.8m in length, use two 20kg bags
- For larger posts use 2 – 3 bags
- To be used for any project requiring strengths of up to 36 MPa
Pave Set - 20kg Bags
- Contents of one bag will cover approximately 6m² at a 3mm gap width
- Can be used for joints from 3mm to 20mm
20 kg Mortar
- With addition of water, a 20kg bag of mortar will typically produce 12.5 to 13 litres of fresh mortar
30 kg Industry Mortar
- With addition of water, a 30kg bag of mortar will typically produce 18 to 19 litres of fresh mortar