Pond Liner

Building a water feature starts with choosing the proper liner for the job. Our large selection of fish safe offerings are sure to satisfy landscape contractors, water garden specialists, and pond installation experts. Our liner and underlayment products have proven performance, stellar reputation, convenient sizes, and hassle-free replacement. All of our liners are fish and wildlife safe, UV resistant, and lay flat for easy installation.

Please be advised: Published price and availability may change due to fluctuations in liner cost and supply.

You can calculate the size of the pond liner you will need for your installation by using these formulas:

Pond Length ft + (Depth ft x 2) + 2 ft = Liner Length
Pond Width ft + (Depth ft x 2) + 2 ft = Liner Width

Example:
For a finished pond 12' long, 7' wide, and 3' deep,
the liner size you need is:
12' + (3'x 2) + 2' = 20' Long
7' + (3'x 2) + 2' = 15' Wide
This basic formula will work for all pond shapes.

Pond Liner Size Calculator

Pond Length (ft):
Pond Width (ft):
Pond Depth (ft):
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Calculate Pond Gallonage

Rectangular Ponds

Length x Width x Average Depth x 7.48 = Gallons

Pond Length (ft):

Pond Width (ft):

Pond Avg. Depth (ft):

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Oval Ponds

Length x Width x Average Depth x 0.8 x 7.48 = Gallons

Pond Length (ft):

Pond Width (ft):

Pond Avg. Depth (ft):

Calculate

Round Ponds

Radius x Radius x Average Depth x 3.14 x 7.48 = Gallons

Pond Radius (ft):

Pond Avg. Depth (ft):

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Streams

Length x Width x 0.25 x 7.48 = Gallons

Pond Length (ft):

Pond Width (ft):

Calculate