11 ppb to ppm

11 ppb = 0.011 ppm

ppbppm
8 ppb0.008
9 ppb0.009
10 ppb0.01
110.011
12 ppb0.012
13 ppb0.013
14 ppb0.014

11 ppb = 0.011 ppm

Formula

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