Question 1

What is 490 mg/L in ppm?

Accepted Answer

490 mg/L = 490 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 490 ppm in mg/L?

Accepted Answer

490 ppm = 490 mg/L.

mg/L	ppm
475 mg/L	475
480 mg/L	480
485 mg/L	485
490	490
495 mg/L	495
500 mg/L	500
505 mg/L	505

490 mg/L to ppm

Formula