Question 1

What is 257 g/kg in PSU?

Accepted Answer

257 g/kg = 258.259 PSU. Use the converter on this page to convert to other salinity / tds units instantly.

Question 2

How do you convert g/kg 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 g/kg value by the appropriate factor to get PSU, or use the interactive converter above.

Question 3

What is 258.259 PSU in g/kg?

Accepted Answer

258.259 PSU = 256.9997 g/kg.

g/kg	PSU
242 g/kg	243.186
247 g/kg	248.21
252 g/kg	253.235
257	258.259
262 g/kg	263.284
267 g/kg	268.308
272 g/kg	273.333

257 g/kg to PSU

Formula