Question 1

What is 680 mg/L in ppm?

Accepted Answer

680 mg/L = 680 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 680 ppm in mg/L?

Accepted Answer

680 ppm = 680 mg/L.

mg/L	ppm
665 mg/L	665
670 mg/L	670
675 mg/L	675
680	680
685 mg/L	685
690 mg/L	690
695 mg/L	695

680 mg/L to ppm

Formula