What is the volume of my pond?
• To estimate volume in a pond or dugout, first determine total cubic area using the following equation: Length x Width x Depth x 0.7 (or appropriate slope factor*) = cubic area (ft³ or m³). • Then multiply by one of the following: • 6.25 to convert cubic feet to Imperial gallons • 7.5 to convert cubic feet to US gallons • 1000 to convert cubic meters to Litres * To calculate the slope factor, simply divide the elevation change in feet by the length of the actual slope. A slope factor of 0.7 (for a 70% slope) may be used for standard dugouts with steep sides. For natural basins/ponds, a slope factor of 0.3 (for a 30% slope) may be used to account for the long, shallow slopes that often exist in natural ponds and lakes. It is important to properly determine the slope value at a site in order to accurately estimate volume.
