How do you convert microliters to milliliters?

To convert microliters (µL) to milliliters (mL), multiply the volume in microliters by 0.001 (milliliters = microliters × 0.001).

What is 5 microliters in milliliters?

5 microliters (5 µL) is equal to 0.005 milliliters (0.005 mL).

Which is larger, 1 microliter (µL) or 1 milliliter (mL)?

One milliliter (mL) is larger than one microliter (µL). Specifically, 1 mL equals 1,000 µL, while 1 µL is 0.001 mL.

How do I convert back from milliliters (mL) to microliters (µL)?

To reverse the calculation from mL to µL, multiply your milliliter value by the inverse factor 1,000 (or divide by 0.001). You can also click the Swap button in the tool above to flip directions in one click.

How many decimal places should I round µL to mL results to?

For everyday comparisons and quick estimates, rounding to 2 decimal places is usually sufficient (for example, 5 µL ≈ 0.01 mL). For engineering, laboratory, or machining specifications, select 4 or 6 decimals—or Scientific (10ⁿ) mode—in the calculator toolbar above.

Microliters to Milliliters Converter

Enter the volume in microliters below to convert it to milliliters.

Milliliters to Microliters (mL → µL)

Convert Microliters to Milliliters

Enter a value in microliters (µL) to convert to milliliters (mL).

Value (µL)

From

Result

•

0.005milliliters

5 µL = 0.005 mL

Result updates automatically

Get Widget

Equivalent Measurements Across UnitsFor 5 µL

Milliliters0.005 mL

Liters0.000005 L

Suggested Conversions

Reference:NIST OWM (SI Units — Volume)

[1–3] ↓

Microliter to Milliliter Conversion Table

Table showing various microliter measurements converted to milliliters. Click any preset value or arrow to load it into the converter.

Microliters (µL)	Milliliters (mL)
1 µL	0.001 mL
2 µL	0.002 mL
2.5 µL	0.0025 mL
5 µL	0.005 mL
10 µL	0.01 mL
15 µL	0.015 mL
20 µL	0.02 mL
25 µL	0.025 mL
30 µL	0.03 mL
50 µL	0.05 mL

How to Convert Microliters to Milliliters

To convert microliters to milliliters, multiply the volume by the following conversion ratio: 0.001 milliliters/microliter.

Since one microliter is equal to 0.001 milliliters, you can use this simple formula to convert:

milliliters = microliters × 0.001

The volume in milliliters is equal to the volume in microliters multiplied by 0.001.

For example, here's how to convert 5 microliters to milliliters using the formula above.

milliliters = (5 µL × 0.001) = 0.005 mL

How Many Milliliters Are in a Microliter?

There are 0.001 milliliters in a microliter, which is why we use this value in the formula above.

1 µL = 0.001 mL|1 mL = 1,000 µL

Our microliter to milliliter calculator automatically converts your volume measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.

Microliters and milliliters are both units used to measure volume. Keep reading to learn more about each unit.

What Is a Microliter?

A microliter is a unit of volume equal to 1/1,000,000 of a liter (0.000001 L). One-millionth of a liter (1 cubic millimeter). [1]

The microliter is classified as a metric and SI-compatible unit of volume. Microliters can be abbreviated as µL; for example, 1 microliter can be written as 1 µL.

In the metric system, "micro" is the standard SI prefix for millionths, or 10⁻⁶. This makes the microliter (µL) a convenient decimal multiple of the liter (L).

In practice, microliters (µL) are widely used across fine-tolerance laboratory, analytical, and micro-scale volume measurements within SI metric workflows, engineering documentation, and technical data sheets.

Learn more about microliters in our Volume & Liquid Converter.

What Is a Milliliter?

A milliliter is a unit of volume equal to 1/1,000 of a liter (0.001 L). One-thousandth of a liter, identical to 1 cubic centimeter (cc). [2]

The milliliter is classified as a metric and SI-compatible unit of volume. Milliliters can be abbreviated as mL; for example, 1 milliliter can be written as 1 mL.

In the metric system, "milli" is the standard SI prefix for thousandths, or 10⁻³. This makes the milliliter (mL) a convenient decimal multiple of the liter (L).

In practice, milliliters (mL) are widely used across fine-tolerance laboratory, analytical, and micro-scale volume measurements within SI metric workflows, engineering documentation, and technical data sheets.

Learn more about milliliters in our Volume & Liquid Converter.

When converting volume between microliters (µL) and milliliters (mL), keep full floating-point precision (1 µL = 0.001 mL; 1 mL = 1,000 µL) during intermediate calculations and round only the final milliliter figure to match your instrument tolerance.

More Microliter & Milliliter Conversions

Need to calculate in the opposite direction? Use our milliliters to microliters calculator to switch your starting unit immediately. You can also explore related tools such as converting milliliters to microliters, converting fluid ounces (us) to milliliters, or converting cups (us) to milliliters.

Convert from Microliters

Convert to Milliliters

Converting Grams or Ounces to Cups, Tbsp & Tsp?

Open Cooking & Ingredient Converter

Weight and volume require ingredient density (g/mL). Choose a USDA FoodData Central verified ingredient below:

Flour (125 g/cup)Granulated Sugar (200 g/cup)Brown Sugar (220 g/cup)Powdered Sugar (120 g/cup)Butter (227 g/cup)Rice (185 g/cup)Milk (244 g/cup)Water (236.6 g/cup)Honey (339 g/cup)Cooking Oil (218 g/cup)Salt (292 g/cup)

Frequently Asked Questions

There are 0.001 milliliters (mL) in 1 microliter (µL). Conversely, 1 milliliter (mL) is equal to 1,000 microliters (µL).

Volume & Liquid Converter

Quick Info

Direct Factor: 1 microliter (µL) equals 0.001 milliliters (mL).
Inverse Factor: 1 milliliter (mL) equals 1,000 microliters (µL).
Formula: milliliters = microliters ÷ 1000.
Verified Precision: Anchored to official NIST SP 811 and ISO/IEC 80000 standards.

Units Comparison

Microliter (µL)

One-millionth of a liter (1 cubic millimeter).

Milliliter (mL)

One-thousandth of a liter, identical to 1 cubic centimeter (cc).

Liter (L)

Metric unit of volume equal to 1 cubic decimeter (1,000 mL).

References

[1]NIST OWM · SI Units — Volume
Source
[2]NIST HB 44 · Liquid & Dry Capacity Tables
Source
[3]NIST SP 811 · NIST SP 811 App. B.9
Source

Related Categories

Add This Calculator to Your Site

Free HTML widget · 4 embed formats

Embed the interactive Microliters to Milliliters converter on your blog, classroom, or documentation page.

Customize & Get Embed Code

References

NIST · BIPM · ISO

[1]
NIST OWM (SI Units — Volume)·Volume & Liquid Metrology Standard — Microliters (µL) to Milliliters (mL)
NIST OWM Standard
[2]
NIST HB 44 (Liquid & Dry Capacity Tables)·Unit Specifications: Microliter (µL) & Milliliter (mL)
NIST HB 44 Specification
[3]
NIST SP 811 (NIST SP 811 App. B.9)·Conversion Factors & Mathematical Basis (µL to mL)
NIST SP 811 Reference

Measurement Navigator78 Categories9 Scientific Domains

Browse All 78 Measurement Categories

A–Z Directory →Sitemap

Common ConvertersEveryday metric, imperial, and US customary converters for length, weight, volume, temperature, area, pressure, energy, speed, time, and data.