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Pond/Dam Liner Size Calculator

Enter your dimensions & click calculate!
All measurements are in metres!

Length
  
Width:

Maximum Depth:
  
Edging Needed:

 

We recommend a liner:

How to use the Pond/Dam Liner Calculator

Installing a pond or dam liner isn't too difficult, but you do need to make sure you order enough liner material!

For your benefit we have made this simple pond liner calculator to work out how much pond liner you will need to order for a given width, length and depth. The calculator also take into how much material you want around the edge to anchor the liner in place. The diagram below will show you where to take your measurements from.

Just type in your value, click the CALCULATE button and the recommended pond liner size will automatically appear below.

Before You Install

Make sure to check with your local council for any pond regulations that may be in place, including the maximum depth that is allowed. For example, most councils will specify the minimum depth that is required for fencing to be erected.

Since regulations do vary from council to council, it is always advisable to check current regulations when you are at the designing stage.

Where to Measure For Your Pond or Dam Liner

The diagram below illustrates where you need to measure from.

Pond Liner Calculator - measure the maximum width, length and depth and use the above calculator to work out the minimum amount of pond liner that you will need

How We Calculate These Values

To calculate the total size of pond liner required is quite straight forward. It is just the maximum size of the pond with the depth and edges taken into account. The pond liner should never be stretched, so it is always safer to allow a little extra. Here is a simple example to explain.

The Liner Length needed is equal to

max. pond length
plus 2 x the maximum depth
plus 2 x the amount of edging needed++
(we recommend a minimum edging of 300 mm per side)

An example is a 3m long x 2 m wide and 0.5m deep pond. Using the above equation, the amount of material required is:
the length 3 + (2 x 0.5m depth) + (2 x 0.3m edging) = 4.6m.
So 4.6m is required in the length of the pond liner.

The Liner Width needed is equal to

max. pond width
plus 2 x the maximum depth
plus 2 x the amount of edging needed++
(recommend a minimum edging of 300 mm per side)

Using the same example as above (3m long x 2m wide and 0.5m deep), the amount of material required is:
the width 2 + (2 x 0.5m depth) + (2 x 0.3m edging) = 3.6m.
So 3.6m is required in the width of the pond liner.

 
++The amount of edging you use is up to you, but we recommend at least 300 mm.

This being the case, a flat sheet required to suit a 3m long x 2 m wide at 0.5m deep will need to measure a minimum of 4.6m long x 3.6m wide.

How to use the Pond or Dam Liner Calculator

Installing a pond liner isn't too difficult, but you do need to make sure you order enough liner material!

For your benefit we have made this simple pond liner calculator to work out how much pond liner you will need to order for a given width, length and depth. The calculator also take into how much material you want around the edge to anchor the liner in place. The diagram below will show you where to take your measurements from.

Just type in your value, click the CALCULATE button and the recommended pond liner size will automatically appear below.

Before You Install

Make sure to check with your local council for any pond regulations that may be in place, including the maximum depth that is allowed. For example, most councils will specify the minimum depth that is required for fencing to be erected.

Since regulations do vary from council to council, it is always advisable to check current regulations when you are at the designing stage.

Where to Measure For Your Pond or Dam Liner

The diagram below illustrates where you need to measure from.

Pond Liner Calculator - measure the maximum width, length and depth and use the above calculator to work out the minimum amount of pond liner that you will need

How We Calculate These Values

To calculate the total size of pond liner required is quite straight forward. It is just the maximum size of the pond with the depth and edges taken into account. The pond liner should never be stretched, so it is always safer to allow a little extra. Here is a simple example to explain.

The Liner Length needed is equal to

max. pond length
plus 2 x the maximum depth
plus 2 x the amount of edging needed++
(we recommend a minimum edging of 300 mm per side)

An example is a 3m long x 2 m wide and 0.5m deep pond. Using the above equation, the amount of material required is:
the length 3 + (2 x 0.5m depth) + (2 x 0.3m edging) = 4.6m.
So 4.6m is required in the length of the pond liner.

The Liner Width needed is equal to

max. pond width
plus 2 x the maximum depth
plus 2 x the amount of edging needed++
(recommend a minimum edging of 300 mm per side)

Using the same example as above (3m long x 2m wide and 0.5m deep), the amount of material required is:
the width 2 + (2 x 0.5m depth) + (2 x 0.3m edging) = 3.6m.
So 3.6m is required in the width of the pond liner.

 
++The amount of edging you use is up to you, but we recommend at least 300 mm.

This being the case, a flat sheet required to suit a 3m long x 2 m wide at 0.5m deep will need to measure a minimum of 4.6m long x 3.6m wide.


Tap to call us on 1800 039 996

Tap to call us on 1800 039 996

Before You Start Your Pond

Make sure to check with your local council for any pond regulations that may be in place, including the maximum depth that is allowed.

Regulations, including the need for a fence, do vary from council to council, so it is always advisable to check regulations before you start.

Tap to call us on 1800 039 996

Measuring Your Pond/Dam Area

Installing a pond liner isn't too difficult, but of course you do need to make sure you order enough liner material!

The diagram below illustrates where you need to measure.

Pond Liner Calculator - measure the maximum width, length and depth and use the above calculator to work out the minimum amount of pond liner that you will need

Tap to call us on 1800 039 996

Taking Measurements

The length and width measurements are taken from the edge of the pond at the widest points.

The edging is the area where you will anchor pond liner in place. We recommend a min. edging of 300 mm per side.

Measure the depth at the deepest point.

Pond Liner Length

add the max. pond length
plus 2 x the maximum depth
plus 2 x the amount of edging needed

An example is a 3m long x 2 m wide and 0.5m deep pond. Using the above equation, the amount of material required is:
the length 3 + (2 x 0.5m depth) + (2 x 0.3m edging) = 4.6m.
4.6m is required for the length of the liner.

Tap to call us on 1800 039 996

Pond/Dam Liner Width

(similar to the length) add the max. pond width
plus 2 x the maximum depth
plus 2 x the amount of edging needed

Using the same example as above (3m long x 2m wide and 0.5m deep), the amount of material required is:
the width 2 + (2 x 0.5m depth) + (2 x 0.3m edging) = 3.6m.
3.6m is required in the width of the liner.

For other tips on setting up your pond, make sure to read our pond liner installation tips

Tap to call us on 1800 039 996


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