Calculator

Swimming pool calculators

Calculating the volume of a swimming pool/spa.

Converting gallons to litres.

Converting litres to gallons.

Adding sodium bicarbonate to increase total
alkalinity.

Adding hydrochloric/muriatic acid to reduce total alkalinity.

Adding dry acid (sodium bisulphate) to reduce total
alkalinity.

Adding calcium chloride to increase calcium
hardness.

Adding stabiliser (cyanuric acid).

Adding soda ash (sodium carbonate) to increase pH.

 

POOL VOLUME CALCULATOR

Find the shape of your swimming pool and fill in the measurements below it to
calculate the volume of water the swimming pool holds.

 Square/ rectangular pools

Length

metres

Width

metres

Depth (deepest)

metres

Depth (shallowest)

metres


Volume

,000 litres



 Trapezoid pools

Length (short)

metres

Length (long)

metres

Width

metres

Depth (deepest)

metres

Depth (shallowest)

metres


Volume

,000 litres

 Round pools

Length

metres

Depth (deepest)

metres

Depth (shallowest)

metres


Volume

,000 litres



 Elliptic/ oval pools

Length

metres

Width

metres

Depth (deepest)

metres

Depth (shallowest)

metres


Volume

,000 litres

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CONVERT GALLONS to LITRES

To convert gallons to litres, enter the amount of gallons and choose
which kind of gallons you are working with.

Enter volume in gallons


Volume is equal to

litres or

m3

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CONVERT LITRES to GALLONS

To convert litres to gallons, enter the volume in litres.

Enter volume in litres



U.S. gallons or


Imperial gallons

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TOTAL ALKALINITY : (80-120 ppm)

To calculate how much sodium bicarbonate your swimming pool requires to increase
the total alkalinity,
choose the increase you want and enter the volume of your pool.

Desired increase in total alkalinity

Volume of the pool

,000 litres



gr of sodium bicarbonate is required

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TOTAL ALKALINITY : (80-120 ppm)

To calculate how much hydrochloric acid (muriatic acid) your swimming pool requires
to decrease the total alkalinity,
choose the reduction you want and enter the volume of your swimming pool.

Desired reduction in total alkalinity

Volume of the pool

,000 litres



ml of (30%) hydrochloric acid is required

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TOTAL ALKALINITY : (80-120 ppm)

To calculate how much dry acid (sodium bisulphate) your swimming pool requires
to decrease the total alkalinity,
choose the reduction you want and enter the volume of your swimming pool.

Desired reduction in total alkalinity

Volume of the pool

,000 litres



gr of dry acid (sodium bisulphate) is required

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CALCIUM HARDNESS : (250-350 ppm)

To calculate how much calcium chloride your swimming pool requires to increase
the calcium hardness,
choose the increase you want and enter the volume of your swimming pool.

Desired increase in calcium hardness

Volume of the pool

,000 litres



gr of calcium chloride is required

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STABILISER : (30-80 ppm)

To calculate how much stabiliser (cyanuric acid) your swimming pool requires to
increase the stabiliser level,
choose the increase you want and enter the volume of your swimming pool.

Desired increase in stabiliser

Volume of the pool

,000 litres



gr of stabiliser (cyanuric acid) is required

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SODA ASH (pH 7.0-7.6)

To calculate how much soda ash (sodium carbonate) your swimming pool requires
to increase the pH level,
choose the increase you want and enter the volume of your swimming pool.

Desired increase in pH

Volume of the pool

,000 litres



gr of soda ash (sodium carbonate) is required

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