Free pond tool
Pond Calculator
Enter your pond's shape and dimensions to get its surface area, water volume and acre-feet, in both imperial and metric. It is geometry only, so you get honest numbers with no guesswork.
Pond shape
Dimensions (feet)
Surface = Length x Width
Results
Rectangle / SquareVolume uses average depth. Both unit systems are shown; your toggle sets the input unit and the emphasized result. 1 acre = 43,560 ft² · 1 ft = 0.3048 m.
Geometry only: this sizes your water body. For help choosing the right aeration system or treatment for your pond, speak with an expert below.
Pond specifications
| Shape | Rectangle / Square |
| Length | — |
| Width | — |
| Average depth | — |
Results
| Surface area | — |
| Volume | — |
| Acre-feet | — |
Volume uses average depth (surface area x average depth). 1 acre = 43,560 ft² · 1 ft = 0.3048 m · 1 acre-foot = 43,560 ft³. Geometry only.
Know your pond size? Now match it to the right system.
Our pond experts help you size aeration and treatment for your exact pond, at no cost and with no obligation.
Call toll-free 1-877-888-7707

