1,330 ppm to PSU

1,330 ppm = 1.337 PSU

ppmPSU
1,315 ppm1.321
1,320 ppm1.326
1,325 ppm1.331
1,3301.337
1,335 ppm1.342
1,340 ppm1.347
1,345 ppm1.352

1330 ppm = 1.337 PSU

Formula

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