Mass concentration.
Milligrams per Milliliter to Micrograms per Microliter Converter — mg/mL to ug/uL
Convert Milligram per Milliliter (mg/mL) to Microgram per Microliter (ug/uL) using the exact conversion factor (1 milligram per milliliter = 1 microgram per microliter). See the formula, worked examples, and conversion table.
Milligrams per Milliliter 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 1 / 1.
Mass Concentration units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Milligrams per Milliliter to Micrograms per Microliter
Milligram per Milliliter 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 = milligrams per milliliter × 1
This factor comes from each unit's defined relationship to the category's base unit: 1 milligram per milliliter equals 1 base unit, and 1 microgram per microliter equals 1 base unit, so dividing one by the other gives the direct milligram per milliliter-to-microgram per microliter factor of 1.
Simple example
1 mg/mL × 1 = 1 ug/uL
1 milligram per milliliter = 1 microgram per microliter.
Real-world example
100 mg/mL × 1 = 100 ug/uL
100 milligrams per milliliter = 100 micrograms per microliter.
Conversion table
| Milligram per Milliliter (mg/mL) | Microgram per Microliter (ug/uL) |
|---|---|
| 0.001 mg/mL | 0.001 ug/uL |
| 0.01 mg/mL | 0.01 ug/uL |
| 0.1 mg/mL | 0.1 ug/uL |
| 1 mg/mL | 1 ug/uL |
| 10 mg/mL | 10 ug/uL |
| 100 mg/mL | 100 ug/uL |
Reverse conversion: Microgram per Microliter to Milligram per Milliliter
1 ug/uL × 1 = 1 mg/mL
1 microgram per microliter = 1 milligram per milliliter.
milligrams per milliliter = micrograms per microliter × 1
For a page dedicated to this direction, see Microgram per Microliter to Milligram per Milliliter.
Understanding the Milligram per Milliliter (mg/mL)
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 milligram per milliliter?
1 milligram per milliliter equals 1 microgram per microliter, using the exact defined conversion factor rather than an estimate.
How do I convert milligram per milliliter to microgram per microliter?
Multiply the milligram per milliliter value by 1. The converter above does this instantly to whatever precision you set.
How do I convert microgram per microliter back to milligram per milliliter?
Use the reverse factor: 1 microgram per microliter equals 1 milligram per milliliter. You can also use the swap control in the converter above to flip the direction instantly.
What is a milligram per milliliter?
Milligram per Milliliter (mg/mL) is a unit of chemistry.
What is a microgram per microliter?
Microgram per Microliter (ug/uL) is a unit of chemistry.
Is the milligram per milliliter to microgram per microliter conversion exact?
Yes. Both milligram per milliliter and microgram per microliter are defined by fixed standards rather than physical artifacts, so the factor of 1 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.