Question 1

What is 4,210 ppm in PSU?

Accepted Answer

4,210 ppm = 4.231 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 4.231 PSU in ppm?

Accepted Answer

4.231 PSU = 4,210.4 ppm.

ppm	PSU
4,195 ppm	4.216
4,200 ppm	4.221
4,205 ppm	4.226
4,210	4.231
4,215 ppm	4.236
4,220 ppm	4.241
4,225 ppm	4.246

4,210 ppm to PSU

Formula