Question 1

What is 438 mg/L in ppm?

Accepted Answer

438 mg/L = 438 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 438 ppm in mg/L?

Accepted Answer

438 ppm = 438 mg/L.

mg/L	ppm
423 mg/L	423
428 mg/L	428
433 mg/L	433
438	438
443 mg/L	443
448 mg/L	448
453 mg/L	453

438 mg/L to ppm

Formula