7.5 PSU to ppm

7.5 PSU = 7,463.4 ppm

PSUppm
4.5 PSU4,478.1
5.5 PSU5,473.2
6.5 PSU6,468.3
7.57,463.4
8.5 PSU8,458.6
9.5 PSU9,453.7
10.5 PSU10,448.8

7.5 PSU = 7,463.4 ppm

Formula

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