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ml to ul Conversion

The SI prefixes make this a fixed decimal conversion: **1 mL = 1,000 µL**. The calculator accepts a nonnegative milliliter value and reports microliters, liters, and nanoliters.

Published

Microliters

Volume in microliters
1,000 µL
Milliliters
1 mL
Liters
0.001 L
Nanoliters
1,000,000 nL

1 mL equals 1,000 µL.

Volume in milliliters.
mL

Results update as you type.

Worked example

milliliters: 1

Result: 1,000 µL

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mL to µL conversion

The SI prefixes make this a fixed decimal conversion: 1 mL = 1,000 µL. The calculator accepts a nonnegative milliliter value and reports microliters, liters, and nanoliters.

Formula

μL=mL×1000\mu\mathrm{L}=\mathrm{mL}\times1000

For example, 0.075 mL is 75 µL. The conversion states only the equivalent volume; it does not provide instructions for using measuring equipment or preparing a substance.

Related laboratory volume tools: the mg to mL calculator, the mcg to mL conversion, and the ml to cc converter.

Frequently asked questions

How many microliters are in 1 mL?
One milliliter is exactly 1,000 microliters under the SI prefix definitions.

Sources

  • BIPM-SI-9-3.02

    primary · Jul 9, 2026

    Supports: SI base/derived units, prefixes, coherent dimensional relations, exact defining constants, day and degree accepted with SI; this route applies 1 * 1000 (exact defined/conventional relationship).

    — v9th edition, version 3.02 (August 2025)

  • NIST-SP811-2008

    primary · Jul 9, 2026

    Supports: US customary/SI conversion factors and precision/significant-digit guidance; this route applies 1 * 1000 (exact defined/conventional relationship).

    — vNIST SP 811, 2008 edition

  • NIST-HB44-2026

    primary · Jul 9, 2026

    Supports: US customary length, mass, liquid-volume, pressure and exact legal-metrology relationships; this route applies 1 * 1000 (exact defined/conventional relationship).

    — vNIST Handbook 44, 2026 edition

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