1,355 ppm to PSU

1,355 ppm = 1.362 PSU

ppmPSU
1,340 ppm1.347
1,345 ppm1.352
1,350 ppm1.357
1,3551.362
1,360 ppm1.367
1,365 ppm1.372
1,370 ppm1.377

1355 ppm = 1.362 PSU

Formula

1 g/kg ≈ 1.0049 PSU · 1 mg/L ≈ 0.001 PSU · 1 ppm ≈ 0.001 PSU (dilute aqueous approximation)