Question 1

What is 1,370 ppm in PSU?

Accepted Answer

1,370 ppm = 1.377 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 1.377 PSU in ppm?

Accepted Answer

1.377 PSU = 1,370.3 ppm.

ppm	PSU
1,355 ppm	1.362
1,360 ppm	1.367
1,365 ppm	1.372
1,370	1.377
1,375 ppm	1.382
1,380 ppm	1.387
1,385 ppm	1.392

1,370 ppm to PSU

Formula