Conversion Factors |
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Volumes
1 UK 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 |