Pond Volume Calculator

If you keep an outdoor pond stocked with fish, you need to know the approximate volume of water so that you can properly feed aquatic friends and give them the right dosage of medication if necessary. Different species of fish have different space requirements; knowing the total capacity of your pond will also ensure that you don't overstock.

The volume of a pond depends on the surface shape, overall length and width, depth, and steepness of the sides. Use the calculator and charts below to figure the volume of a pond in liters and gallons.

Note: Calculator results are approximate and may not take into account irregularities such as islands or asymmetric side slopes. For the most accurate volume measure, you should drain your pond and count the number of gallons/liters it takes to refill the area.

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