Pond Liner Estimator
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Pond Liner Estimator

If you havent yet dug your pond, are unable to measure it with a flexible tape measure, or simply just planning a pond, then use our simple Pond Liner Calculator to estimate the sheet size required for your pond.

How to use this pond liner calculator :-

Simply enter your ponds longest length, widest width and maximum depth dimensions (in Metres) in the relevant boxes below and then click the "calculate" button to obtain an estimate of the pond liner size required, and the approximate pond volume in Litres, which you may use to help with selecting filtration equipment and fish stocking levels.

The Pond Liner Estimator will automatically add 0.5m to both the length and width as an overlap to secure the liner. This allowance (25cm on each edge) may be reduced if securing under brickwork, or extended for a bog garden edging or beach.

Please note:- we strongly recommend you only use these calculations as part of your project planning exercise and strongly advise measuring the final excavated pond profile and overlap (edge dig in) required with a flexible tape measure prior to purchasing the liner.

Step 1 - Enter maximum Pond Length (L) = Metres


Step 2 - Enter maximum Pond Width (W) = Metres


Step 3 - Enter maximum Pond Depth (D) = Metres

Enter dimensions in steps 1-3 then click >>>

------------- Your results -------------
Minimum Pond Liner Length required =
Minimum Pond Liner Width required =

(Note: overlap added to each side for digging in is 25cm, increase or decrease this depending on installation method)

Approx. Pond Volume (capacity) =



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