How do I calculate how much concrete I need?

To calculate the amount of concrete you need for a project, follow these general steps:

1. Determine the volume: Measure the dimensions of the area where you plan to pour the concrete. If it’s a simple rectangular or square area, multiply the length by the width by the desired thickness (in feet or meters) to obtain the volume in cubic feet or cubic meters. For irregular shapes, you may need to break it down into smaller, more manageable sections.
2. Convert units if necessary: If your measurements are in different units (e.g., one dimension in feet and another in inches), convert them to the same unit before proceeding. Make sure all measurements are in the same unit, either feet or meters.
3. Account for wastage: It’s recommended to account for wastage and have some extra concrete on hand to accommodate unforeseen circumstances. A common rule of thumb is to add 5-10% to the total volume to allow for wastage or variances in the area being laid.
4. Calculate the quantity: Multiply the total volume by the wastage factor. This will give you the total volume of concrete needed, including the additional amount for wastage.
5. Convert to cubic meters (m3). The standard measurement of supply for ready mixed concrete is in cubic meters, be careful to calculate including the depth so as to not measure in square meters by mistake!

Keep in mind that these steps provide a general method for calculating the quantity of concrete needed. If you have any queries or concerns then it is always recommended that you call our sales office so that we can assist you to ensure accuracy and account for any specific requirements or considerations for your project. Additionally, the complexity of the project, such as multiple sections or varying thicknesses, may require more detailed calculations, all of which we can assist you with and there is no charge for this service.