Milligram per liter to Microgram per liter Converter
1 milligram per liter is exactly 1000 micrograms per liter. Convert milligrams per liter (mg/L) to micrograms per liter (µg/L) below: type a value and the result updates as you type.
mg/L to µg/L calculator
Result
Milligram per liter to Microgram per liter conversion
1 mg/L = 1000 µg/Lone milligram per liter in micrograms per liter
1 µg/L = 0.001 mg/Lone microgram per liter in milligrams per liter
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.
Microgram per liter (µg/L): One microgram per liter: exactly 10⁻⁶ kg/m³. Used for trace contaminants in water.
Source:SI Brochure, 9th edition (BIPM, 2019)
How to 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.
Formula
µg/L = mg/L × 1000
Examples
- 5 mg/L = 5 × 1000 = 5000 µg/L
- 25 mg/L = 25 × 1000 = 25000 µg/L
- 100 mg/L = 100 × 1000 = 100000 µg/L
Milligram per liter to Microgram per liter conversion table
| Milligram per liter (mg/L) | Microgram per liter (µg/L) |
|---|---|
| 0.1 mg/L | 100 µg/L |
| 0.5 mg/L | 500 µg/L |
| 1 mg/L | 1000 µg/L |
| 2 mg/L | 2000 µg/L |
| 3 mg/L | 3000 µg/L |
| 5 mg/L | 5000 µg/L |
| 10 mg/L | 10000 µg/L |
| 20 mg/L | 20000 µg/L |
| 25 mg/L | 25000 µg/L |
| 50 mg/L | 50000 µg/L |
| 100 mg/L | 100000 µg/L |
| 250 mg/L | 250000 µg/L |
| 500 mg/L | 500000 µg/L |
| 1000 mg/L | 1000000 µg/L |
Values rounded to 10 significant digits where needed.
Frequently asked questions
- How many micrograms per liter are in one milligram per liter?
- One milligram per liter is exactly 1000 micrograms per liter.
- How do I 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. The formula is mg/L = µg/L × 0.001.
- Is this conversion exact?
- Yes. Both units have exact definitions and the factor 1000 is exact. Displayed results are only rounded when they have many decimal places.
- Which is larger, a milligram per liter or a microgram 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.