Question 1

What is 397 mg/L in ppm?

Accepted Answer

397 mg/L = 397 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 397 ppm in mg/L?

Accepted Answer

397 ppm = 397 mg/L.

mg/L	ppm
382 mg/L	382
387 mg/L	387
392 mg/L	392
397	397
402 mg/L	402
407 mg/L	407
412 mg/L	412

397 mg/L to ppm

Formula