UnitSnapMilligrams per Liter to Parts per Million
1 mg/L = 1 ppm
How to convert milligrams per liter to parts per million
ppm = mg/L × 1
Example: 5 mg/L = 5 ppm
Milligrams per Liter to Parts per Million conversion table
| Milligrams per Liter (mg/L) | Parts per Million (ppm) |
|---|---|
| 1 mg/L | 1 ppm |
| 2 mg/L | 2 ppm |
| 3 mg/L | 3 ppm |
| 4 mg/L | 4 ppm |
| 5 mg/L | 5 ppm |
| 6 mg/L | 6 ppm |
| 7 mg/L | 7 ppm |
| 8 mg/L | 8 ppm |
| 9 mg/L | 9 ppm |
| 10 mg/L | 10 ppm |
| 15 mg/L | 15 ppm |
| 20 mg/L | 20 ppm |
| 25 mg/L | 25 ppm |
| 30 mg/L | 30 ppm |
| 40 mg/L | 40 ppm |
| 50 mg/L | 50 ppm |
| 75 mg/L | 75 ppm |
| 100 mg/L | 100 ppm |
| 250 mg/L | 250 ppm |
| 500 mg/L | 500 ppm |
| 1,000 mg/L | 1,000 ppm |
About the units
Milligrams per Liter: Milligrams per liter is a unit of mass concentration used for water quality and lab results.
Parts per Million: Parts per million expresses very low concentrations. For dilute water solutions, 1 ppm is approximately 1 mg/L.
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Frequently asked questions
How many parts per million are in 1 milligram per liter?
1 milligram per liter equals 1 parts per million.
How many milligrams per liter are in 1 part per million?
1 part per million equals 1 milligrams per liter.
How do I convert milligrams per liter to parts per million?
Use the formula ppm = mg/L × 1.
What is 10 milligrams per liter in parts per million?
10 milligrams per liter equals 10 parts per million.
Related conversions
Factors: NIST SP 811 · SI Brochure · NIST Handbook 44 — Updated