๐งฑ Concrete Calculator
Pour area12 mยฒ
Required volume (exact)1.2 mยณ
Required volume (with margin)1.32 mยณ
Required volume (liters)1,320 L
Enter the length, width, and thickness of the area you're pouring โ a patio, walkway, or slab โ to calculate the required concrete volume in cubic meters and liters. Includes an adjustable waste margin for buffer.
How to use
- Enter the length and width of the area to be poured (in meters).
- Enter the pour thickness (in centimeters).
- Set a waste percentage to see the required volume including a safety margin, calculated automatically.
FAQ
What waste percentage should I use?
To account for ground irregularities and pouring losses, a margin of around 5-10% is commonly used. Adjust based on your site conditions.
How is ready-mix concrete typically ordered?
Ready-mix concrete is usually ordered in supplier-defined units, such as 0.25mยณ or 1mยณ increments. Use this calculator's result as a guide and round up to your supplier's minimum order unit.
Can I use this for bagged concrete mix from a DIY store?
Yes. Divide the volume (in liters) calculated here by the yield per bag listed on your product's packaging to estimate how many bags you'll need.