knowing how much water is your koi pond is important, This influences a lot of different things, including the type of pond pumps and pond filters you can use in your pond, water treatments you may need to dose with and how many koi you can keep.
To work out your pond water volume, Use this handy round pond volume calculator. Simply enter your Diameter and Depth in metres, centimetres, milometers, feet or inches,
This pond volume calculator will do the hard work for you and calculate your pond volume in m3, Litres and UK Gallons