Convert Milliliter to Microliter
Convert milliliters to microliters instantly. 1 milliliter = 1000 microliter — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Microliter to Milliliter converter for the reverse conversion.
Units explained
Milliliter
A milliliter is one thousandth of a liter, exactly equal to one cubic centimeter.
Formed with the SI prefix milli- applied to the liter.
The standard small-volume unit in cooking, medicine and the laboratory.
Metric prefix system.
Microliter
A microliter is one millionth of a liter (10⁻⁹ m³), equal to one cubic millimeter.
Formed with the SI prefix micro- applied to the liter.
Ubiquitous in molecular biology and analytical chemistry pipetting.
Metric prefix system.
Milliliter to Microliter conversion formula
The relationship between milliliters and microliters:
To convert milliliters to microliters, multiply the value in milliliters by 1000. To reverse, multiply microliters by 0.001.
How to use this converter
Type a value into the calculator. The result in microliters updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Microliter to Milliliter converter for the reverse direction.
Step-by-step: convert milliliters to microliters
- Write down the value in milliliters (mL).
- Multiply that value by the factor 1000.
- The product is the equivalent value in microliters (µL).
- To reverse, multiply the microliter value by 0.001.
Worked examples
Example 1 — Convert 1 mL to µL:
1 × 1000 = 1000 µL
Example 2 — Convert 100 mL to µL:
100 × 1000 = 100000 µL
Real-world example — From microns to sub-micron features
One milliliter equals one thousand microliters — the conversion semiconductor designers do constantly when comparing mask feature dimensions to actual transistor gate lengths.
1 mL × 1000 = 1000 µL
Real-world example — Infrared to visible-spectrum mapping
A 10-milliliter thermal infrared wavelength corresponds to a much larger number in microliters, the unit favoured for ultraviolet and visible-light specifications.
10 mL × 1000 = 10000 µL
Real-world example — Mid-micron to nanometer
3 milliliters equals 3,000 microliters — useful when relating mid-infrared wavelengths (typically quoted in microns) to nanometer-scale visible-light wavelength tables.
3 mL × 1000 = 3000 µL
Milliliter to Microliter conversion table
Standard reference values for converting milliliters to microliters:
| Milliliter [mL] | Microliter [µL] |
|---|---|
| 0.01 | 10 |
| 0.1 | 100 |
| 1 | 1000 |
| 2 | 2000 |
| 3 | 3000 |
| 4 | 4000 |
| 5 | 5000 |
| 10 | 10000 |
| 20 | 20000 |
| 30 | 30000 |
| 40 | 40000 |
| 50 | 50000 |
| 100 | 100000 |
| 500 | 499999.9999999999 |
| 1000 | 999999.9999999999 |
Frequently asked questions
How many microliters is 1 milliliter?
How do I convert milliliters to microliters?
How do I convert microliters back to milliliters?
How many microliters is 100 milliliters?
Popular volume unit conversions
Convert Milliliter to other volume units
Show all Milliliter conversions
Metric / SI (13 units)
US Customary (Liquid) (15 units)
US Customary (Dry) (5 units)
Imperial (UK) (14 units)
Cubic (length-derived) (4 units)
Cooking / Culinary (5 units)
Sources & references
Conversion factor (1 mL = 1000 µL) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Hydrographic Organization — Resolution on the Nautical Mile
International authority that standardised the nautical mile at exactly 1852 m in 1929 — the value adopted worldwide for sea and air navigation.