Question: how to convert to ppm from g/l?
Answer: 1 ppm = 0.001 g/L. 1 x 0.001 g/L = 0.001 Grams Per Liter. Definition: In relation to the base unit of [density] => (kilograms per cubic meter), 1 Parts Per Million (ppm) is equal to 0.001 kilograms-per-cubic-meter, while 1 Grams Per Liter (g/L) = 1 kilograms-per-cubic-meter.