What is the calculation for converting from mg/L to ppm?

Document ID

Document ID TE779

Published Date

Published Date 27/05/2017
Question
What is the calculation for converting from mg/L to ppm?
Summary
Convert mg/L to parts per million (ppm)
Answer
1 mg/L = 1 parts per million (ppm) for dilute aqueous solutions. For example, a chlorine concentration of 1.8 mg/L chlorine is equivalent to 1.8 ppm chlorine.