Concrete Volume Calculator
Calculate the exact volume of concrete needed for your project in cubic yards, cubic feet, and cubic meters. A specialized tool for slabs, pads, and foundations.
The Concrete Volume Calculator is a specialized tool designed to help homeowners, contractors, and DIY enthusiasts determine the exact amount of concrete required for a project. Whether you are pouring a driveway, patio, or simple slab, knowing the precise volume ensures you order the right amount of material from your ready-mix supplier.
How this calculator works
This concrete calculator by dimensions uses standard geometric formulas to calculate volume.
- Input Dimensions: Enter the Length and Width of your area. For Imperial units, use feet.
- Input Thickness: Enter the depth of the slab. For Imperial units, use inches (standard slab thickness is often 4 to 6 inches).
- Processing: The tool multiplies Length × Width × Thickness to find the volume. It automatically handles unit conversions (like inches to feet).
- Output: The result is instantly displayed in cubic yards, cubic feet, and cubic meters.
Understanding concrete volume (yards, feet, meters)
When asking "how many yards of concrete do I need", it is important to understand the units used in the industry.
- Cubic Yards (yd³): This is the standard unit for ordering ready-mix concrete from a truck. One cubic yard is equal to 27 cubic feet.
- Cubic Feet (ft³): This unit is often used for smaller projects or when purchasing pre-mixed bags. A concrete cubic feet calculator is essential for projects like countertops or small landings.
- Cubic Meters (m³): The metric standard used globally outside the US.
Examples
Here are a few scenarios where a concrete yard calculator is useful:
- Standard Driveway: A driveway that is 20 feet long, 10 feet wide, and 4 inches thick.
Calculation: 20 × 10 × (4/12) = 66.6 cubic feet. This converts to approximately 2.47 cubic yards. - Backyard Patio: A 12x12 foot patio with 6-inch thickness.
Calculation: 12 × 12 × (6/12) = 72 cubic feet, or exactly 2.67 cubic yards.
? Frequently Asked Questions
To convert cubic feet to cubic yards, simply divide the total cubic feet by 27. For example, 54 cubic feet divided by 27 equals 2 cubic yards.
The basic formula is Length × Width × Thickness. Ensure all units are the same (e.g., all in feet) before multiplying.
This tool provides the exact mathematical volume. We recommend adding 5-10% to your order to account for spillage and uneven ground.
No, a concrete pad calculator uses the same volume logic. You simply need the dimensions of the pad to find the cubic yardage.