How much gravel do I need for a French drain calculator?

How to Calculate Gravel for French Drains Measure the trench, in feet, noting its length, width and depth. Calculate the sum of the width measurements and divide by the number of measurements taken to calculate the average width. Calculate the average depth using the method described in Step 2. Measure the diameter of the drainage pipe. Click to see full answer. In this way, how do I calculate how much gravel I need for a French drain? How to Calculate Gravel for French Drains Measure the trench, in feet, noting its length, width and depth. Calculate the sum of the width measurements and divide by the number of measurements taken to calculate the average width. Calculate the average depth using the method described in Step 2. Measure the diameter of the drainage pipe. One may also ask, how do I calculate how much stone I need? Multiply the length (L), in feet, by the width (W), in feet, by the height (H), in feet, and divide by 27. This will tell you how many cubic yards of crushed stone you need. Subsequently, one may also ask, how much gravel do I need calculator? Length in feet x Width in feet x Depth in feet (inches divided by 12). Take the total and divide by 21.6 (the amount of cubic feet in a ton). The final figure will be the estimated amount of tons required.What is the best size gravel for drainage? Basic Gravel Bottom Gravel used for this layer is typically 1/2 inch to 1 inch across — the larger it is, the better the water flow and less chance of clogs and blockages. For a French drain without a perforated pipe, opt for even larger gravel, such as 1 1/2 inches across.

ncG1vNJzZmivp6x7pLHLnpmroaSesrSu1LOxZ5ufonuotI6hprBlnaqwqXnGq5ivnZxisbB5yGalnp2UYrOwvoyaZJ%2BqlaOwqXnDq5iipl2Yrq2v1KWYraeiZA%3D%3D