0.0000000000000006 mg/L (Milligram per Liter) is equal to 0.000000000000006013447655999999 pound/million gallon (UK) (Pound per Million Gallon (UK)). To convert from Milligram per Liter to Pound per Million Gallon (UK), multiply by 10.02241276 or divide by 0.09977637360846432.