1,020 ppb to ppm

1,020 ppb = 1.02 ppm

ppbppm
1,005 ppb1.005
1,010 ppb1.01
1,015 ppb1.015
1,0201.02
1,025 ppb1.025
1,030 ppb1.03
1,035 ppb1.035

1020 ppb = 1.02 ppm

Formula

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