Femtoliter is 1e-15 liter units.
Femtoliters to Cubic Micrometers Converter — fL to um3
Convert Femtoliter (fL) to Cubic Micrometer (um3) using the exact conversion factor (1 femtoliter = 1 cubic micrometer). See the formula, worked examples, and conversion table.
Femtoliters to Cubic Micrometers converter
Converter
Volume Converter
Convert metric, US customary, imperial, cooking, dry, and industrial volume units.
Context values
Some unit families need one extra value for a physically accurate result.
Cubic metric volume unit.
Result = input x 1e-18 / 1e-18.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Femtoliters to Cubic Micrometers
Femtoliter and Cubic Micrometer 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. Specifically: Femtoliter is 1e-15 liter units, and cubic metric volume unit.
Formula
cubic micrometers = femtoliters × 1
This factor comes from each unit's defined relationship to the category's base unit: 1 femtoliter equals 1e-18 base units, and 1 cubic micrometer equals 1e-18 base units, so dividing one by the other gives the direct femtoliter-to-cubic micrometer factor of 1.
Simple example
1 fL × 1 = 1 um3
1 femtoliter = 1 cubic micrometers.
Real-world example
10 fL × 1 = 10 um3
10 femtoliters = 10 cubic micrometers.
Conversion table
| Femtoliter (fL) | Cubic Micrometer (um3) |
|---|---|
| 1 fL | 1 um3 |
| 5 fL | 5 um3 |
| 10 fL | 10 um3 |
| 25 fL | 25 um3 |
| 50 fL | 50 um3 |
| 100 fL | 100 um3 |
Reverse conversion: Cubic Micrometer to Femtoliter
1 um3 × 1 = 1 fL
1 cubic micrometer = 1 femtoliters.
femtoliters = cubic micrometers × 1
For a page dedicated to this direction, see Cubic Micrometer to Femtoliter.
Understanding the Femtoliter (fL)
Femtoliter is 1e-15 liter units.
Understanding the Cubic Micrometer (um3)
Cubic metric volume unit.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many cubic micrometers are in 1 femtoliter?
1 femtoliter equals 1 cubic micrometers, using the exact defined conversion factor rather than an estimate.
How do I convert femtoliter to cubic micrometer?
Multiply the femtoliter value by 1. The converter above does this instantly to whatever precision you set.
How do I convert cubic micrometer back to femtoliter?
Use the reverse factor: 1 cubic micrometer equals 1 femtoliters. You can also use the swap control in the converter above to flip the direction instantly.
What is a femtoliter?
Femtoliter (fL) is a unit of volume.
What is a cubic micrometer?
Cubic Micrometer (um3) is a unit of volume.
Is the femtoliter to cubic micrometer conversion exact?
Yes. Both femtoliter and cubic micrometer are defined by fixed standards rather than physical artifacts, so the factor of 1 used above is exact to as many digits as you choose to display.