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