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Calculators

Whether you’re trying to work out the right size of pond liner to buy or the volume of your pond we’re here to help. Our easy to use Swell calculators take all the math out of pondkeeping to give you everything you need to create spectacular watercourses. All you need to do is take a couple of measurements and leave the rest to us.

Pond Liner Calculator

 

Use our pond liner calculator to work out what size pond liner you'll need when building your pond.

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Calculate

Pond Volume Calculator

 

Use our pond volume calculator to work out how much water your pond holds.

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Calculate

Pond Pump Calculator

 

Use our Pond Pump Calculator to select the right size of pond pump for your garden fish pond.

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Waterfall Pump Calculator

 

Use our Waterfall Pump Calculator to work out what size pond pump you'll need for your waterfall.

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Aquarium Volume Calculator

 

Use our Aquarium Volume Calculator to work out the volume of water your fish tank holds.

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Calculate

Calculate

Marine Salt Calculator

 

Use our Marine Salt Calculator to how much marine salt you need to create saltwater in your tank.

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