The amount of ballast and cement do i need for 1m3 concrete depends on several factors like mix ratio of cement to ballast, mix design, types of concrete, application and environmental issues.
For typical domestic application, 1m3 of concrete at 3500 psi (25 MPa) can be readily created by mixing 1,750 to 1,800 kilograms of ballast as well as 7 x 50kg bags (or 14 x 25kg bags) of cement and 160 liters of water. Concrete of this strength is ideal for patio slabs, footpaths and steps.
Ballast is a dense mixture of sand and gravel crushed small rock stone that’s form rough coarse aggregate used in extensive range of construction application, primary it is used for heavy duty work and making concrete.
When you are thinking about a new project making of Pathway, driveway, patio and slab, there is need of concrete mix to pour, so there is mixing of cement, ballast and water in required proportion and quantity to achieve targeted compressive strength.
A mix ratio 1:5 (1 part cement to 5 parts ballast) produce high strength concrete, this affords the sort of water-tight concrete used for building slabs or concrete panels, while a mix ratio 1:6 (1 part cement to 6 parts ballast) creates concrete suitable for sidewalk, driveways, paths and patios. In addition, a mix ratio 1:8 (1 part cement to 8 parts ballast) gives foundation strength concrete.
Typically, the weight of ballast is about 1.75 tons per cubic meter or 1750 kg/ m3. It is available in a small bag of 25kg which yields volume about, and large bag known as bulk bag, or jumbo bag which weighs about 850 to 875 kilograms and yields volume about 0.5m3. There are approximately 34 small bags of ballast in a bulk bag. This assumes that a small bag contains 25kg and a bulk bag includes 850kg,
How much ballast and cement do i need for 1m3 of concrete
Typically for domestic use, to make 1m3 of concrete, you’ll need to mix approximately 7 x 50 kg or 14 x 25 kg bags of cement as well as 1,750 to 1,800 kilograms (or 2 bulk bag) of ballast and 160 liters of water. This amount of ingredients of 1m3 concrete can produce 25 Mpa strength and it is ideal for patio slabs, footpaths and steps.
In general, to make 0.5m3 of concrete, you’ll need to mix 7 x 25 kg bag of cement as well as 875 kg (or 1 bulk bag) of ballast and 80 litres of water, while to produce 0.6m3 of concrete, you’ll need to mix 9 x 25 kg bag of cement as well as 1,050 kg (or 1 tonne bag) of ballast and 100 litres of water.
Similarly, to make 0.8m3 of concrete, you’ll need to mix 12 x 25 kg bag of cement as well as 1,400 kg (or 1.6 bulk bag) of ballast and 130 litres of water, while to produce 0.4m3 of concrete, you’ll need to mix 6 x 25 kg bag of cement as well as 700 kg (or 3/4 tonne bag) of ballast and 64 litres of water.
In addition, to make 2m3 of concrete, you’ll need to mix 28 x 25 kg bag of cement as well as 3,500 kg (or 4 bulk bag) of ballast and 320 litres of water, while to produce 3m3 of concrete, you’ll need to mix 42 x 25 kg bag of cement as well as 5,250 kg (or 5 tonne bag) of ballast and 480 litres of water.
For typical domestic application, 5m3 of concrete at 3500 psi (25 MPa) can be readily created by mixing 8,750 kilograms (or 10 bulk bag) of ballast as well as 35 x 50kg bags (or 70 x 25kg bags) of cement and 800 liters of water.
Here’s are the Table for How much Ballast and Cement do i need:
| SL.no. | Concrete Volume | Ballast needed | Cement needed | Water needed |
| 1 | 1m3 | 2 Bulk bags | 14×25 kg bag | 160 liters |
| 2 | 2m3 | 4 Bulk bags | 28×25 kg bag | 320 liters |
| 3 | 3m3 | 6 Bulk bags | 42×25 kg bag | 480 liters |
| 4 | 5m3 | 10 Bulk bags | 70×25 kg bag | 800 liters |
| 5 | 0.5m3 | 1 Bulk bags | 7×25 kg bag | 80 liters |
| 6 | 0.6m3 | 1 tonne bag | 9×25 kg bag | 100 liters |
| 7 | 0.8m3 | 1.5 tonne bag | 12×25 kg bag | 130 liters |
How many bags of concrete do i need for 1m3 concrete
As a general guidelines, blending 1 x 20 kg bag of concrete can produce 0.01m3 of concrete, so to make 1m3 of concrete, you’ll need to mix 100 x 20 kg premix bags of concrete at standard mix.
Typically for 1m3 concrete, you will need approximately 100 bags of 20 kg concrete. A 20 kg bag of concrete mix is typically cost between $5 to $15 depending on brands and where you purchase it. So, 1m3 of concrete costs between $500 to $1,500.
How many bags of concrete for 0.1m3
A standard 20 kg bag of concrete mix is usually around 0.01 cubic meters. To calculate the number of bags needed for 0.1m3, you would divide 0.1 by 0.01. This results in approximately 10 bags, so you would likely need 10 bags of concrete for 0.1m3.
In general, you’ll need 20 x 20 kg bags of concrete for 0.2m3, 30 x 20 kg bags of concrete for 0.3m3, 40 x 20 kg bags of concrete for 0.4m3, 50 x 20 kg bags of concrete for 0.5m3, 60 x 20 kg bags of concrete for 0.6m3, 80 x 20 kg bags of concrete for 0.8m3, and 200 x 20 kg bags of concrete for 2m3.
Here’s are the Table for How many bags of concrete do i need:
| SL.no. | Concrete Volume | No. of 20kg bags of concrete |
| 1 | 0.1m3 | 10 x 20 kg bags |
| 2 | 0.2m3 | 20 x 20 kg bags |
| 3 | 0.3m3 | 30 x 20 kg bags |
| 4 | 0.4m3 | 40 x 20 kg bags |
| 5 | 0.5m3 | 50 x 20 kg bags |
| 6 | 0.6m3 | 60 x 20 kg bags |
| 7 | 0.8m3 | 80 x 20 kg bags |
| 8 | 1m3 | 100 x 20 kg bags |
| 9 | 2m3 | 200 x 20 kg bags |
Conclusion:
With standard practices, you’ll need to mix 1,750 to 1,800 kilograms of ballast as well as 7 x 50kg bags (or 14 x 25kg bags) of cement and 160 liters of water to produce 1m3 of concrete.