WATER HARDNESS CONVERTER

If you want to convert a hardness value in one unit to the equivalent value in another unit, enter the Value to be converted, select the Given units and the Required units from the drop-down lists and press "Convert and describe". If you only want the description (hard, soft etc), enter the Value, select the Given units and press "Convert and describe". Repeat as required. To see a list of the answers press "Summary".
 

Value to be converted Given units  milligrammes per litre (mg/l) as calcium (Ca) parts per million (ppm) as calcium (Ca) milligrammmes per litre (mg/l) as calcium carbonate (CaCO3) parts per million(ppm) as calcium carbonate (CaCO3) English (Clark) degrees (grains per Imperial gallon) German degrees French degrees USA degrees (grains per US gallon) milli-equivalents per litre (meq/l or mval/l)

Required units  milligrammes per litre (mg/l) as calcium (Ca) parts per million (ppm) as calcium (Ca) milligrammmes per litre (mg/l) as calcium carbonate (CaCO3) parts per million(ppm) as calcium carbonate (CaCO3) English (Clark)degrees (grains per Imperial gallon) German degrees French degrees USA degrees (grains per US gallon) milli-equivalents per litre (meq/l or mval/l)   

The answer will appear here