Concrete Size Calculator Square Feet Formula:
Definition: This calculator estimates the volume of concrete in cubic yards based on the area in square feet and the thickness in feet.
Purpose: It helps contractors, builders, and DIY enthusiasts determine the volume of concrete needed for a project based on the area and thickness.
The calculator uses the formula:
Where:
Explanation: The area in square feet is multiplied by the thickness in feet, then divided by 27 to convert the volume to cubic yards.
Details: Knowing the volume of concrete is crucial for ordering the correct amount of materials, planning the project, and estimating costs accurately.
Tips: Enter the area in square feet and the thickness in feet (both must be > 0). The calculator computes the volume in cubic yards, rounded to 3 decimal places.
Q1: Why is the result in cubic yards?
A: Cubic yards are a common unit for measuring the volume of concrete, especially for ordering and transportation.
Q2: How do I find the area and thickness?
A: Measure the area in square feet and the thickness in feet. For irregular shapes, break the area into smaller regular shapes and sum their areas.
Q3: What if my thickness is in inches?
A: Convert inches to feet by dividing by 12 (e.g., 6 inches = 0.5 feet) before entering the value.
Q4: Is the 27 conversion factor accurate?
A: Yes, 27 cubic feet equal 1 cubic yard, which is the standard conversion factor.
Q5: Does this include waste?
A: No, this is a base calculation. Add 5-10% extra volume before ordering to account for waste or spillage.