Pond Calculator
Square or Rectangular Ponds
To calculate the volume of a rectangular pond, please enter the width, length and depth. Measurements can be entered in metres or feet. Once you've entered the dimensions, click the calculate button and our site will advise the pond's volume and the amount of Viresco you need to buy.
Circular Ponds
If you have a circular pond with vertical sides, please use this calculator. You'll need to enter the width and depth of the pond, after which the calculator will advise the amount of Viresco you'll need.
Sloping Sided Circular Ponds
If you have a round pond with sloping sides, please use this calculator. You'll need to enter the width and depth of the pond, plus the measurement 'O' on the below diagram, ie. the amount by which the sides of the pond step in.
