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Pond Calculator

Ecology
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Estimates the volume of water a pond will hold, the surface area, and the required liner size, based on pond dimensions.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Pond Length, Pond Width, Average Depth, and Liner Overlap in the units shown.

Step 2

Read Liner Width, Liner Length, Pond Surface Area, Pond Volume, and Pond Volume (Gallons) in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

Example calculations

See the inputs and their calculated results.

Small Pond

Pond Length: 5 feet; Pond Width: 4 feet; Average Depth: 3 feet; Liner Overlap: 1 feet

Liner Width: 12 feet; Liner Length: 13 feet; Pond Surface Area: 20 square feet; Pond Volume: 60 cubic feet; Pond Volume (Gallons): 448.8312 gallons

Medium Pond

Pond Length: 10 feet; Pond Width: 8 feet; Average Depth: 4 feet; Liner Overlap: 1 feet

Liner Width: 18 feet; Liner Length: 20 feet; Pond Surface Area: 80 square feet; Pond Volume: 320 cubic feet; Pond Volume (Gallons): 2,393.7664 gallons

Large Pond

Pond Length: 20 feet; Pond Width: 15 feet; Average Depth: 5 feet; Liner Overlap: 1 feet

Liner Width: 27 feet; Liner Length: 32 feet; Pond Surface Area: 300 square feet; Pond Volume: 1,500 cubic feet; Pond Volume (Gallons): 11,220.78 gallons

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