Question 1

What is 9.5 PSU in ppm?

Accepted Answer

9.5 PSU = 9,453.7 ppm. Use the converter on this page to convert to other salinity / tds units instantly.

Question 2

How do you convert PSU to ppm?

Accepted Answer

Formula: 1 g/kg ≈ 1.0049 PSU · 1 mg/L ≈ 0.001 PSU · 1 ppm ≈ 0.001 PSU (dilute aqueous approximation). Multiply your PSU value by the appropriate factor to get ppm, or use the interactive converter above.

Question 3

What is 9,453.7 ppm in PSU?

Accepted Answer

9,453.7 ppm = 9.5 PSU.

PSU	ppm
6.5 PSU	6,468.3
7.5 PSU	7,463.4
8.5 PSU	8,458.6
9.5	9,453.7
10.5 PSU	10,448.8
11.5 PSU	11,443.9
12.5 PSU	12,439

9.5 PSU to ppm

Formula