Question 1

What is 498.5 PSU in ppm?

Accepted Answer

498.5 PSU = 496,069.3 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 496,069.3 ppm in PSU?

Accepted Answer

496,069.3 ppm = 498.5 PSU.

PSU	ppm
483.5 PSU	481,142.4
488.5 PSU	486,118
493.5 PSU	491,093.6
498.5	496,069.3
503.5 PSU	501,044.9
508.5 PSU	506,020.5
513.5 PSU	510,996.1

498.5 PSU to ppm

Formula