Solution concentration converter 1.2

Use this useful tool to convert solution concentration choosing one of the 11 units of measurment included in this app (with the availability to add custom units), that are:
kilogram/liter, gram/liter, milligram/liter, part/million (ppm), grain/gallon (US), grain/gallon (UK), pound/gallon (US), pound/gallon (UK), pound/million gallon (US), pound/million, pound/cubic foot, gallon (UK).