667.5 PSU to mg/L

667.5 PSU = 664,245.2 mg/L

PSUmg/L
652.5 PSU649,318.3
657.5 PSU654,294
662.5 PSU659,269.6
667.5664,245.2
672.5 PSU669,220.8
677.5 PSU674,196.4
682.5 PSU679,172.1

667.5 PSU = 664,245.2 mg/L

Formula

1 g/kg ≈ 1.0049 PSU · 1 mg/L ≈ 0.001 PSU · 1 ppm ≈ 0.001 PSU (dilute aqueous approximation)