Question 1

What is 56.5 PSU in ppm?

Accepted Answer

56.5 PSU = 56,224.5 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 56,224.5 ppm in PSU?

Accepted Answer

56,224.5 ppm = 56.5 PSU.

PSU	ppm
41.5 PSU	41,297.6
46.5 PSU	46,273.3
51.5 PSU	51,248.9
56.5	56,224.5
61.5 PSU	61,200.1
66.5 PSU	66,175.7
71.5 PSU	71,151.4

56.5 PSU to ppm

Formula