Micromolar concentration.
Micromoles per liter to Moles per liter Converter — umol/L to mol/L
Convert Micromole per liter (umol/L) to Mole per liter (mol/L) using the exact conversion factor (1 micromole per liter = 0.000001 mole per liter). See the formula, worked examples, and conversion table.
Micromoles per liter to Moles per liter 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.
Molar concentration.
Result = input x 0.001 / 1000.
Molarity units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Micromoles per liter to Moles per liter
Micromole per liter and Mole per liter 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. Specifically: Micromolar concentration, and molar concentration.
Formula
moles per liter = micromoles per liter × 0.000001
This factor comes from each unit's defined relationship to the category's base unit: 1 micromole per liter equals 0.001 base units, and 1 mole per liter equals 1000 base units, so dividing one by the other gives the direct micromole per liter-to-mole per liter factor of 0.000001.
Simple example
1 umol/L × 0.000001 = 0.000001 mol/L
1 micromole per liter = 0.000001 moles per liter.
Real-world example
100 umol/L × 0.000001 = 0.0001 mol/L
100 micromoles per liter = 0.0001 moles per liter.
Conversion table
| Micromole per liter (umol/L) | Mole per liter (mol/L) |
|---|---|
| 0.001 umol/L | 1e-9 mol/L |
| 0.01 umol/L | 1e-8 mol/L |
| 0.1 umol/L | 1e-7 mol/L |
| 1 umol/L | 0.000001 mol/L |
| 10 umol/L | 0.00001 mol/L |
| 100 umol/L | 0.0001 mol/L |
Reverse conversion: Mole per liter to Micromole per liter
0.000001 mol/L × 1000000 = 1 umol/L
0.000001 moles per liter = 1 micromole per liter.
micromoles per liter = moles per liter × 1000000
For a page dedicated to this direction, see Mole per liter to Micromole per liter.
Understanding the Micromole per liter (umol/L)
Micromolar concentration.
Understanding the Mole per liter (mol/L)
Molar concentration.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many moles per liter are in 1 micromole per liter?
1 micromole per liter equals 0.000001 moles per liter, using the exact defined conversion factor rather than an estimate.
How do I convert micromole per liter to mole per liter?
Multiply the micromole per liter value by 0.000001. The converter above does this instantly to whatever precision you set.
How do I convert mole per liter back to micromole per liter?
Use the reverse factor: 1 mole per liter equals 1,000,000 micromoles per liter. You can also use the swap control in the converter above to flip the direction instantly.
What is a micromole per liter?
Micromole per liter (umol/L) is a unit of chemistry.
What is a mole per liter?
Mole per liter (mol/L) is a unit of chemistry.
Is the micromole per liter to mole per liter conversion exact?
Yes. Both micromole per liter and mole per liter 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.