Measure a single side of the triangle (we’ll call it the base). Triangle calculations are a little more complicated. You’d calculate:Ĥ0 feet * 20 feet * 0.25 feet = 200 cubic feet in volume Calculating Volume of a Triangular Space To calculate the volume of a square or rectangular space, just multiply length * width * depth.įor example, imagine a rectangular driveway that is 40 feet long and 20 feet wide, and you want 3 inches (0.25 feet) of depth for your gravel installation. Calculating Volume of a Square or Rectangular space A straightforward rectangle is easy enough to measure, but your project shape may be closer to a circle or a triangle-or may include different kinds of shapes that you’ll measure separately and add together. To standardize units of measurement, convert depth to feet by dividing by 12:Ĭalculating volume works a little differently depending on the shape of the project area. Depth is likely the only measurement you’ll have in inches. To calculate the volume of a project space, you’ll need to calculate the area of the space (usually length * width) and the depth of the space.įor most gravel installations, you’ll need to go between 2 and 4 inches in depth.
Home depot pea gravel pro#
Here’s how: Find a Gravel Installation Pro Near You Find Pros Step 1: Calculate the Volume of the Space While our gravel calculator is a helpful tool in estimating the amount of gravel you need, it’s possible to calculate the amount by hand using the measurements you collect. Instead, consider our landscaping rock calculator for larger rock fragments or our crushed stone calculator for projects utilizing crushed stone instead of gravel. If you’re using smaller or larger materials, don’t use this gravel calculator for your estimate. Smaller pieces would be considered pebbles, while larger material pieces would be considered rocks. Note: Our gravel calculator assumes gravel that is between 0.25 inches and 2 inches in diameter. If a number looks way off, remember to double-check that you’ve correctly converted it to the right unit of measure. When taking measurements, you might use various units of measure: inches, feet, and yards. Knowing how much gravel you need can help you better estimate how much a gravel driveway costs before hiring a contractor. Then you can input those measurements in our calculator to determine how much gravel your project requires. Step 1: Calculate the Volume of the Spaceīefore you can use our driveway gravel calculator, you’ll need to get a few key measurements.
No matter the shape or type of project, our gravel calculator will help you estimate the right amount of materials-and minimize overages. To successfully use our gravel calculator, you’ll need accurate measurements of the project area, including the length and width (for square and rectangular areas), base and height (for triangular areas), diameter (for circular areas), and the depth. This gravel calculator will help you estimate how much gravel you need for projects like driveways, paths, and landscape installations.
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