Concrete Calculator
Volume and ready-mix trucks from area and thickness
Concrete Volume Calculator 🏢
Enter the area and thickness to calculate the concrete volume (m³) and number of ready-mix truck loads needed.
Enter the area and thickness to calculate the concrete volume (m³) and number of ready-mix truck loads needed.
Typically 3-10% for loss
⚠️ This calculator is a simple reference (estimation) tool based on standard engineering formulas. Actual quantities may differ due to site conditions, material types, construction tolerances, and applicable codes. calcstool.com assumes no legal liability for any direct or indirect damages resulting from material orders, designs, or construction based on these calculations.
FAQ
How is concrete volume calculated?
Multiply the area (m²) by thickness (m) to get volume (m³). For example, 30 m² at 15 cm = 30 × 0.15 = 4.5 m³. Add a waste margin (usually 5%) when ordering.
How many ready-mix trucks?
A truck typically carries about 6 m³. Divide the needed volume by 6 and round up. Capacities vary, so confirm with your supplier.
What waste margin should I use?
Typically 3-10% for site loss and spillage. Use more for uneven foundations.
Area vs dimensions mode?
Use area × thickness if you know the surface area, or length × width × height for a defined volume like a footing.
Is this for delivered concrete?
Yes, it estimates poured concrete volume. Confirm final quantities with your ready-mix supplier.
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