15.5 mg/L to ppm

15.5 mg/L = 15.5 ppm

mg/Lppm
12.5 mg/L12.5
13.5 mg/L13.5
14.5 mg/L14.5
15.515.5
16.5 mg/L16.5
17.5 mg/L17.5
18.5 mg/L18.5

15.5 mg/L = 15.5 ppm

Formula

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