Question 1

What is 475.5 PSU in ppm?

Accepted Answer

475.5 PSU = 473,181.4 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 473,181.4 ppm in PSU?

Accepted Answer

473,181.4 ppm = 475.5 PSU.

PSU	ppm
460.5 PSU	458,254.6
465.5 PSU	463,230.2
470.5 PSU	468,205.8
475.5	473,181.4
480.5 PSU	478,157
485.5 PSU	483,132.7
490.5 PSU	488,108.3

475.5 PSU to ppm

Formula