Need to know how much water is in your pond? Our pond volume calculator makes it quick and easy to calculate the volume of your pond in litres or gallons. Simply enter your pond dimensions into our handy pond calculator to find the total amount of water your pond holds in seconds.

Knowing your pond's volume helps you choose the right electrical equipment and maintain a healthy environment for your fish and plants. Pond pumps, filters and UV clarifiers are all designed to work with a specific water capacity, so understanding your pond size ensures you select the correct products.

Calculating the amount of water in your pond also helps you dose water treatments accurately. Adding the right quantity of pond chemicals improves their effectiveness and helps protect fish and aquatic plants from over- or under-treatment.

Your pond volume is also important when stocking fish. Knowing the capacity of your pond helps prevent overcrowding, maintain good water quality and support healthy fish, particularly in Koi ponds where water conditions are especially important.

Simply enter your pond dimensions below and click Calculate. Our water volume calculator will do the rest.

To calculate the volume of your pond, you'll need to measure:

• Length
• Width
• Depth of your pond

Enter the length, width and depth of your pond into the calculator, as shown in the diagram below, and we'll calculate your pond's volume in litres or gallons.