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  • HOME
    • About us
    • Pollet Water Group
  • NEWS
  • PRODUCTS
    • Softeners >
      • Domestic Softeners >
        • Coral Softener
        • Micro Softener
        • Swan Softener
        • Delta Non Electric
      • Commercial Softeners
    • Filtration >
      • Filters & Housing
      • Sediment Reduction
      • Iron & Manganese
      • pH Systems
      • Arsenic Reduction
      • Nitrate Reduction
      • Carbon Filters
      • Colour Reduction
      • Hydrogen Sulphide
    • Reverse Osmosis >
      • Domestic RO
      • Industrial RO
      • RO Membranes
    • Valves
    • Vessels & Tanks >
      • Composite Vessels & distribution
      • Expansion vessels
      • Brine Tanks
      • Dosing Tanks & Bunds
    • UV Disinfection
    • Resin & Filter Media >
      • Ion Exchange Resins
      • Filter Media
  • TECHNICAL FORUM
    • Datasheets
    • Manuals
    • Private Water Supplies
    • How Water Softeners Work
    • Conversions and Useful Data
  • CONTACT

Conversion Factors

Volumes
1 Imperial Gallon = 4.54 litres
1 US Gallon = 3.8 litres
1 cubic foot = 28.4 litres
Weights
1 gram = 1000mg (milligram)
1mg (milligram) = 1000 ug (microgram)
1 mg is approx 1ppm (part per million)
1 ug is approx 1 ppb (part per billion)
Hardness
1 mg/ll CaCO3 = 0.1 F (degree french)
                           = 0.056 dH (degrees german)
                           = 0.0584 US grains per gallon
                           =0.0701 Clark
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