Milliliters to Femtoliters Converter — mL to fL

Convert Milliliter (mL) to Femtoliter (fL) using the exact conversion factor (1 milliliter = 1,000,000,000,000 femtoliter). See the formula, worked examples, conversion table, history, and common uses.

Milliliters to Femtoliters converter

Converter

Volume Converter

Convert metric, US customary, imperial, cooking, dry, and industrial volume units.

Result 1 milliliter = 1,000,000,000,000 femtoliter
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From definition

Milliliter is 0.001 liter units.

To definition

Femtoliter is 1e-15 liter units.

Formula

Result = input x 1e-6 / 1e-18.

Volume uses the cubic meter as the base unit.

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About Converting Milliliters to Femtoliters

Milliliter and Femtoliter appear side by side at fuel pumps and on beverage labels, since the US measures liquids in gallons while most of the world uses liters. Milliliter is most often used for medicine dosing (worldwide, including in the us).

Formula

femtoliters = milliliters × 1000000000000

This factor comes from each unit's defined relationship to the category's base unit: 1 milliliter equals 0.000001 base units, and 1 femtoliter equals 1e-18 base units, so dividing one by the other gives the direct milliliter-to-femtoliter factor of 1000000000000.

Simple example

1 mL × 1000000000000 = 1,000,000,000,000 fL

1 milliliter = 1,000,000,000,000 femtoliters.

Real-world example

10 mL × 1000000000000 = 1e+13 fL

10 milliliters = 1e+13 femtoliters.

Conversion table

Milliliter (mL)Femtoliter (fL)
1 mL1,000,000,000,000 fL
5 mL5e+12 fL
10 mL1e+13 fL
25 mL2.5e+13 fL
50 mL5e+13 fL
100 mL1e+14 fL

Reverse conversion: Femtoliter to Milliliter

1 fL × 1e-12 = 1e-12 mL

1 femtoliter = 1e-12 milliliters.

milliliters = femtoliters × 1e-12

For a page dedicated to this direction, see Femtoliter to Milliliter.

Understanding the Milliliter

Milliliter (mL) measures volume. A milliliter is one-thousandth of a liter, equal to one cubic centimeter. It is classified as a SI derived (metric prefix) unit.

Where it's used: Standard small-volume unit worldwide

Uses of the Milliliter today

  • Medicine dosing (worldwide, including in the US)
  • Cooking and recipe measurement outside the US
  • Beverage and small-container labeling

History of the Milliliter

The milliliter follows directly from the liter via the 'milli-' SI prefix. It is notable as one of the few metric units in routine US use, since medicine dosing (syringes, liquid medication) is specified in milliliters even in the US.

Historical origin. Milliliter was not the invention of a single named person; it developed through the process described above.

Understanding the Femtoliter (fL)

Femtoliter is 1e-15 liter units.

Milliliter — sources

  • BIPM SI Brochure — SI prefixes — Defines 'milli-' as the prefix for 10⁻³.
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Frequently asked questions

How many femtoliters are in 1 milliliter?

1 milliliter equals 1,000,000,000,000 femtoliters, using the exact defined conversion factor rather than an estimate.

How do I convert milliliter to femtoliter?

Multiply the milliliter value by 1000000000000. The converter above does this instantly to whatever precision you set.

How do I convert femtoliter back to milliliter?

Use the reverse factor: 1 femtoliter equals 1e-12 milliliters. You can also use the swap control in the converter above to flip the direction instantly.

What is a milliliter?

Milliliter (mL) measures volume. A milliliter is one-thousandth of a liter, equal to one cubic centimeter. It is classified as a SI derived (metric prefix) unit.

What is a femtoliter?

Femtoliter (fL) is a unit of volume.

Is the milliliter to femtoliter conversion exact?

Yes. Both milliliter and femtoliter are defined by fixed standards rather than physical artifacts, so the factor of 1000000000000 used above is exact to as many digits as you choose to display.

Where is the milliliter still used today?

Standard small-volume unit worldwide