30 ppb to ppm

30 ppb = 0.03 ppm

ppbppm
24 ppb0.024
26 ppb0.026
28 ppb0.028
300.03
32 ppb0.032
34 ppb0.034
36 ppb0.036

30 ppb = 0.03 ppm

Formula

1 ppm = 1 mg/L (aqueous, density ≈ 1 kg/L) · 1 ppb = 0.001 mg/L · 1% = 10,000 ppm