Trapezoidal Pond Calculator
(2 sides are parallel.)
Back to Instructions
Please enter all values in feet and decimals of feet (i.e. 12.5).


Longest Length:

Shortest Length:

Pond Width:

Max Pond Depth:

Average Pond Depth:

Pond Volume: gallons.

Pond Surface Area: square feet.

Liner size: feet X feet.

Minimum Biofilter Volume: gallons.

Pump Size: gallons per hour (gph)

Edging Material: minimum linear feet.

Number of Average Water Lilies (60% coverage): . You can always add more. (:

Minimum Number of Oxygenating Plants: bunches.


Last Updated 10/18/97

Copyright 1997 Chuck Rush