Pond Liner Size and Price Calculator


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To calculate the pond liner and protective underlay sizes you need to order, take the maximum depth, maximum length and maximum width measurements of the hole you have dug for your water feature. Type the dimensions into our calculator. The calculator will then give you the dimensions you need to order.


If you require a box-welded pond liner for a formal shaped pond or you have a pond that is L -shaped, or has an island or a plinth, please do not use the calculator but Contact Us to discuss the pond liner dimensions require.


Please note:

PVC can be ordered to a minimum width of 2m and maximum of 10 meters, and a maximum length of 25 meters. When calculating pond liner dimensions the width must be rounded up to the nearest whole number and length to the nearest half. Geotextile underlay orders must also be a minimum of 2 meters in width.There are no restrictions to Epalyn and Butyl pond liner orders.

Enter Pond Width, Length and Depth
Maximum Width: ft inches =0 metre Maximum Depth: ft inches =0 metre
Maximum Length: ft inches =0 metre Overlap: ft inches =0 metre

If you know the liner size you require just enter your sheet dimensions into the width and length boxes and leave the depth and overlap boxes at zero. Not sure whether to add an overlap to your calculations? Click here for help.

To calculate the size pond liner and protective underlay you need to order, take the maximum depth, the maximum length and maximum width measurements of the hole you have dug for your water feature. Type those dimensions into our calculator. This will then give you the dimensions you need to order.

If you require a box-welded pond liner for a formal shaped pond or you have a pond that is L -shaped, or has an island or a plinth, please do not use the calculator but Contact Us to discuss the pond liner dimensions you require.

Please note:

PVC can be ordered to a minimum width of 2 meters and maximum of 10 meters, and a maximum length of 25 meters. When calculating pond liner dimensions the width must be rounded up to the nearest whole number and length to the nearest half. Geotextile underlay orders must also be a minimum of 2 meters in width. There are no restrictions to Epalyn and Butyl pond liner orders.


1. Enter Pond Width, Length and Depth
Maximum Width: metre Maximum Depth: metre
Maximum Length: metre Overlap: metre

If you know the liner size you require just enter your sheet dimensions into the width and length boxes and leave the depth and overlap boxes at zero. Not sure whether to add an overlap to your calculations? Click here for help.

To calculate the size pond liner and protective underlay you need to order, take the maximum depth, the maximum length and maximum width measurements of the hole you have dug for your water feature. Type those dimensions into our calculator. This will then give you the dimensions you need to order.

If you require a box-welded pond liner for a formal shaped pond or you have a pond that is L -shaped, or has an island or a plinth, please do not use the calculator but Contact Us to discuss the pond liner dimensions you require.

Please note:

PVC can be ordered to a minimum width of 2 meters and maximum of 10 meters, and a maximum length of 25 meters. When calculating pond liner dimensions the width must be rounded up to the nearest whole number and length to the nearest half. Geotextile underlay orders must also be a minimum of 2 meters in width. There are no restrictions to Epalyn and Butyl pond liner orders.


The pond liner size you require is:
0 m wide x 0 m long
0 m square