Question 1

What is 18 mg/L in ppm?

Accepted Answer

18 mg/L = 18 ppm. Use the converter on this page to convert to other concentration units instantly.

Question 2

How do you convert mg/L to ppm?

Accepted Answer

Formula: 1 ppm = 1 mg/L (aqueous, density ≈ 1 kg/L) · 1 ppb = 0.001 mg/L · 1% = 10,000 ppm. Multiply your mg/L value by the appropriate factor to get ppm, or use the interactive converter above.

Question 3

What is 18 ppm in mg/L?

Accepted Answer

18 ppm = 18 mg/L.

mg/L	ppm
15 mg/L	15
16 mg/L	16
17 mg/L	17
18	18
19 mg/L	19
20 mg/L	20
21 mg/L	21

18 mg/L to ppm

Formula