Microgram per liter (µg/L)
One microgram per liter: exactly 10⁻⁶ kg/m³. Used for trace contaminants in water.
What is a microgram per liter?
- Symbol
- µg/L
- Quantity
- Solution Concentration
- Unit system
- SI-accepted
- Definition
- One microgram per liter: exactly 10⁻⁶ kg/m³. Used for trace contaminants in water.
- Exact
- Yes, the value is exact by definition
- Source
- SI Brochure, 9th edition (BIPM, 2019)
Common applications
Used for trace contaminants in drinking water, such as lead and arsenic, and for drug levels in blood.
Microgram per liter in other solution concentration units
- 1 µg/L = 0.000001 kg/m³Kilogram per cubic meter
- 1 µg/L = 1e-9 g/cm³Gram per cubic centimeter
- 1 µg/L = 0.001 mg/LMicrogram per liter to Milligram per liter converter
- 1 µg/L = 1e-7 g/dLGram per deciliter
- 1 µg/L = 0.0001 mg/dLMilligram per deciliter
- 1 µg/L = 1e-7 % w/vPercent weight per volume
Microgram per liter quick reference
| Microgram per liter | Milligram per liter | Milligram per deciliter | Kilogram per cubic meter |
|---|---|---|---|
| 1 µg/L | = 0.001 mg/L | = 0.0001 mg/dL | = 0.000001 kg/m³ |
| 10 µg/L | = 0.01 mg/L | = 0.001 mg/dL | = 0.00001 kg/m³ |
| 100 µg/L | = 0.1 mg/L | = 0.01 mg/dL | = 0.0001 kg/m³ |
| 1000 µg/L | = 1 mg/L | = 0.1 mg/dL | = 0.001 kg/m³ |
Where the microgram per liter fits
The next larger solution concentration unit is the milligram per liter (mg/L). 1 µg/L = 0.001 mg/L, and 1 mg/L = 1000 µg/L.
Frequently asked questions
- How many milligrams per liter are in one microgram per liter?
- One microgram per liter = 0.001 mg/L (milligrams per liter).
- How many milligrams per deciliter are in one microgram per liter?
- One microgram per liter = 0.0001 mg/dL (milligrams per deciliter).
- How many kilograms per cubic meter are in one microgram per liter?
- One microgram per liter = 0.000001 kg/m³ (kilograms per cubic meter).