890 ppb to ppm

890 ppb = 0.89 ppm

ppbppm
875 ppb0.875
880 ppb0.88
885 ppb0.885
8900.89
895 ppb0.895
900 ppb0.9
905 ppb0.905

890 ppb = 0.89 ppm

Formula

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