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Home / Conversion Tools

Conversion Tools

This is a collection of simple conversion calculators relevant to our product range. Pressure and flow relate to our pumps, power to the motors that drive them, and water hardness relates to water filters. Use the "Show / Hide" buttons to collapse the sections you don't wish to see.

To convert a value, type the number in the appropriate units box. Click GO to convert to all other units.

Pressure

 

lbs/in2 (psi)

bars

atmospheres (atm)

Flow

 

litres / second

litres / minute

litres / hour

UK gallons / second

UK gallons / minute

UK gallons / hour

US gallons / second

US gallons / minute

US gallons / hour

Power

 

watts (W)

kilowatts (kW)

horsepower (HP)

Water hardness

 

parts per million (ppm) / milligrams per litre (mg/L)

grains per (US) gallon (gpg)

English degrees (°Clark or °E)

German degrees (°dH)

French degrees (°f)

One Clark degree (°Clark ) / English degree (°E) corresponds to one grain of calcium carbonate in one Imperial gallon of water, or 14.28 parts calcium carbonate in 1,000,000 parts water (14.28 ppm).

One Deutsche Härte (German hardness) (°dH) corresponds to one part calcium oxide in 100,000 parts of water (10ppm).

One French degree (°f) corresponds to one part calcium carbonate in 100,000 parts of water (10ppm).

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