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About

In molecular biology and analytical chemistry, precision is non-negotiable. Protocols often switch between microliters (mcl or μL) for pipetting small reagents and milliliters (ml) for buffers or total reaction volumes. A calculation error here can ruin an entire PCR run, assay, or synthesis.

A microliter is one-millionth of a liter (10-6 L), while a milliliter is one-thousandth of a liter (10-3 L). This tool is designed for scientists and lab technicians who need to scale recipes up or down efficiently. It strips non-numeric characters from pasted text (like "200μL") to prevent syntax errors and provides visual context for the volumes involved.

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Formulas

The conversion is a linear shift of three decimal places. Since a milliliter is 1,000 times larger than a microliter, you divide the value in microliters by 1,000.

Vml = Vmcl1000

Alternatively, in scientific notation:

Vml = Vmcl × 10-3

Reference Data

Microliters (μL)Milliliters (ml)Common Reference
1,000 μL1.0 mlStandard P1000 Pipette Tip (Blue)
200 μL0.2 mlPCR Tube Volume / P200 Tip (Yellow)
100 μL0.1 mlTypical ELISA Well Volume
20 μL0.02 mlStandard PCR Reaction Volume
10 μL0.01 mlP10 Tip (White/Clear)
5,000 μL5.0 mlCommon Midi-Prep Elution
1,000,000 μL1,000 ml1 Liter
500 μL0.5 mlMicrocentrifuge Tube (Safe Limit)

Frequently Asked Questions

Yes. If you copy and paste data from a protocol like "500µL" or "500uL", the tool automatically detects and removes the units, processing only the numeric value.
There is no difference. "mcl", "ul", "uL", and "µL" all refer to the same unit: the microliter. Different industries and software systems use different abbreviations due to keyboard layout limitations.
PCR master mixes are often calculated in microliters (e.g., 0.5 µL primer), but the final stock solutions or water additions might be measured in milliliters. Quick verification prevents concentration errors.
Yes, the tool supports high-precision decimals, which is essential when working with concentrated enzymes or high-potency drugs.