Question 1

What is 1,185 ppm in PSU?

Accepted Answer

1,185 ppm = 1.191 PSU. Use the converter on this page to convert to other salinity / tds units instantly.

Question 2

How do you convert ppm to PSU?

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 ppm value by the appropriate factor to get PSU, or use the interactive converter above.

Question 3

What is 1.191 PSU in ppm?

Accepted Answer

1.191 PSU = 1,185.2 ppm.

ppm	PSU
1,170 ppm	1.176
1,175 ppm	1.181
1,180 ppm	1.186
1,185	1.191
1,190 ppm	1.196
1,195 ppm	1.201
1,200 ppm	1.206

1,185 ppm to PSU

Formula