Mass concentration.
Micrograms per Liter to Micrograms per Microliter Converter — ug/L to ug/uL
Convert Microgram per Liter (ug/L) to Microgram per Microliter (ug/uL) using the exact conversion factor (1 microgram per liter = 0.000001 microgram per microliter). See the formula, worked examples, and conversion table.
Micrograms per Liter to Micrograms per Microliter converter
Converter
Chemistry Converter
Convert concentration, molarity, amount, and laboratory scientific units by compatible family.
Context values
Some unit families need one extra value for a physically accurate result.
Mass concentration.
Result = input x 1e-6 / 1.
Mass Concentration units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Micrograms per Liter to Micrograms per Microliter
Microgram per Liter and Microgram per Microliter both measure mass concentration — how much of a substance is dissolved or dispersed in a given volume — a core calculation for preparing lab solutions, checking water quality against a regulatory limit, or formulating a pharmaceutical dose. Both are mass concentration units.
Formula
micrograms per microliter = micrograms per liter × 0.000001
This factor comes from each unit's defined relationship to the category's base unit: 1 microgram per liter equals 0.000001 base units, and 1 microgram per microliter equals 1 base unit, so dividing one by the other gives the direct microgram per liter-to-microgram per microliter factor of 0.000001.
Simple example
1 ug/L × 0.000001 = 0.000001 ug/uL
1 microgram per liter = 0.000001 micrograms per microliter.
Real-world example
100 ug/L × 0.000001 = 0.0001 ug/uL
100 micrograms per liter = 0.0001 micrograms per microliter.
Conversion table
| Microgram per Liter (ug/L) | Microgram per Microliter (ug/uL) |
|---|---|
| 0.001 ug/L | 1e-9 ug/uL |
| 0.01 ug/L | 1e-8 ug/uL |
| 0.1 ug/L | 1e-7 ug/uL |
| 1 ug/L | 0.000001 ug/uL |
| 10 ug/L | 0.00001 ug/uL |
| 100 ug/L | 0.0001 ug/uL |
Reverse conversion: Microgram per Microliter to Microgram per Liter
0.000001 ug/uL × 1000000 = 1 ug/L
0.000001 micrograms per microliter = 1 microgram per liter.
micrograms per liter = micrograms per microliter × 1000000
For a page dedicated to this direction, see Microgram per Microliter to Microgram per Liter.
Understanding the Microgram per Liter (ug/L)
Mass concentration.
Understanding the Microgram per Microliter (ug/uL)
Mass concentration.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many micrograms per microliter are in 1 microgram per liter?
1 microgram per liter equals 0.000001 micrograms per microliter, using the exact defined conversion factor rather than an estimate.
How do I convert microgram per liter to microgram per microliter?
Multiply the microgram per liter value by 0.000001. The converter above does this instantly to whatever precision you set.
How do I convert microgram per microliter back to microgram per liter?
Use the reverse factor: 1 microgram per microliter equals 1,000,000 micrograms per liter. You can also use the swap control in the converter above to flip the direction instantly.
What is a microgram per liter?
Microgram per Liter (ug/L) is a unit of chemistry.
What is a microgram per microliter?
Microgram per Microliter (ug/uL) is a unit of chemistry.
Is the microgram per liter to microgram per microliter conversion exact?
Yes. Both microgram per liter and microgram per microliter are defined by fixed standards rather than physical artifacts, so the factor of 0.000001 used above is exact to as many digits as you choose to display.
What's the difference between mass concentration and molarity?
Mass concentration expresses how much mass of a substance is present per unit volume (for example, grams per liter). Molarity expresses the amount in moles per liter instead, which accounts for the substance's molecular weight. This category converts mass-concentration units.