Microgram per liter to Milligram per liter Converter
1 microgram per liter is exactly 0.001 milligrams per liter. Convert micrograms per liter (µg/L) to milligrams per liter (mg/L) below: type a value and the result updates as you type.
µg/L to mg/L calculator
Result
Microgram per liter to Milligram per liter conversion
1 µg/L = 0.001 mg/Lone microgram per liter in milligrams per liter
1 mg/L = 1000 µg/Lone milligram per liter in micrograms per liter
Microgram per liter (µg/L): One microgram per liter: exactly 10⁻⁶ kg/m³. Used for trace contaminants in water.
Milligram per liter (mg/L): One milligram per liter: exactly 0.001 kg/m³. Used for water quality. In dilute water solutions it is close to 1 ppm.
Source:SI Brochure, 9th edition (BIPM, 2019)
How to convert micrograms per liter to milligrams per liter
To convert micrograms per liter to milligrams per liter, multiply the number of micrograms per liter by 0.001.
Formula
mg/L = µg/L × 0.001
Examples
- 5 µg/L = 5 × 0.001 = 0.005 mg/L
- 25 µg/L = 25 × 0.001 = 0.025 mg/L
- 100 µg/L = 100 × 0.001 = 0.1 mg/L
Microgram per liter to Milligram per liter conversion table
| Microgram per liter (µg/L) | Milligram per liter (mg/L) |
|---|---|
| 0.1 µg/L | 0.0001 mg/L |
| 0.5 µg/L | 0.0005 mg/L |
| 1 µg/L | 0.001 mg/L |
| 2 µg/L | 0.002 mg/L |
| 3 µg/L | 0.003 mg/L |
| 5 µg/L | 0.005 mg/L |
| 10 µg/L | 0.01 mg/L |
| 20 µg/L | 0.02 mg/L |
| 25 µg/L | 0.025 mg/L |
| 50 µg/L | 0.05 mg/L |
| 100 µg/L | 0.1 mg/L |
| 250 µg/L | 0.25 mg/L |
| 500 µg/L | 0.5 mg/L |
| 1000 µg/L | 1 mg/L |
Values rounded to 10 significant digits where needed.
Frequently asked questions
- How many milligrams per liter are in one microgram per liter?
- One microgram per liter is exactly 0.001 milligrams per liter.
- How do I convert milligrams per liter to micrograms per liter?
- To convert milligrams per liter to micrograms per liter, multiply the number of milligrams per liter by 1000. The formula is µg/L = mg/L × 1000.
- Is this conversion exact?
- Yes. Both units have exact definitions and the factor 0.001 is exact. Displayed results are only rounded when they have many decimal places.
- Which is larger, a microgram per liter or a milligram per liter?
- A milligram per liter is 1000 times larger than a microgram per liter. In other words, a microgram per liter is exactly 1/1000 of a milligram per liter.