515 g/kg to PSU

515 g/kg = 517.523 PSU

g/kgPSU
500 g/kg502.45
505 g/kg507.474
510 g/kg512.499
515517.523
520 g/kg522.548
525 g/kg527.572
530 g/kg532.597

515 g/kg = 517.523 PSU

Formula

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