5 ppb to ppm

5 ppb = 0.005 ppm

ppbppm
2 ppb0.002
3 ppb0.003
4 ppb0.004
50.005
6 ppb0.006
7 ppb0.007
8 ppb0.008

5 ppb = 0.005 ppm

Formula

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