1,340 ppm to PSU

1,340 ppm = 1.347 PSU

ppmPSU
1,325 ppm1.331
1,330 ppm1.337
1,335 ppm1.342
1,3401.347
1,345 ppm1.352
1,350 ppm1.357
1,355 ppm1.362

1340 ppm = 1.347 PSU

Formula

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