Femtoliter is 1e-15 liter units.
Femtoliters to Quectoliters Converter — fL to qL
Convert Femtoliter (fL) to Quectoliter (qL) using the exact conversion factor (1 femtoliter = 1e+15 quectoliter). See the formula, worked examples, and conversion table.
Femtoliters to Quectoliters 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.
Quectoliter is 1e-30 liter units.
Result = input x 1e-18 / 1e-33.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Femtoliters to Quectoliters
Femtoliter and Quectoliter 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 quectoliter is 1e-30 liter units.
Formula
quectoliters = femtoliters × 1e+15
This factor comes from each unit's defined relationship to the category's base unit: 1 femtoliter equals 1e-18 base units, and 1 quectoliter equals 1e-33 base units, so dividing one by the other gives the direct femtoliter-to-quectoliter factor of 1e+15.
Simple example
1 fL × 1e+15 = 1e+15 qL
1 femtoliter = 1e+15 quectoliters.
Real-world example
10 fL × 1e+15 = 1e+16 qL
10 femtoliters = 1e+16 quectoliters.
Conversion table
| Femtoliter (fL) | Quectoliter (qL) |
|---|---|
| 1 fL | 1e+15 qL |
| 5 fL | 5e+15 qL |
| 10 fL | 1e+16 qL |
| 25 fL | 2.5e+16 qL |
| 50 fL | 5e+16 qL |
| 100 fL | 1e+17 qL |
Reverse conversion: Quectoliter to Femtoliter
1e+15 qL × 1e-15 = 1 fL
1e+15 quectoliters = 1 femtoliter.
femtoliters = quectoliters × 1e-15
For a page dedicated to this direction, see Quectoliter to Femtoliter.
Understanding the Femtoliter (fL)
Femtoliter is 1e-15 liter units.
Understanding the Quectoliter (qL)
Quectoliter is 1e-30 liter units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many quectoliters are in 1 femtoliter?
1 femtoliter equals 1e+15 quectoliters, using the exact defined conversion factor rather than an estimate.
How do I convert femtoliter to quectoliter?
Multiply the femtoliter value by 1e+15. The converter above does this instantly to whatever precision you set.
How do I convert quectoliter back to femtoliter?
Use the reverse factor: 1 quectoliter equals 1e-15 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 quectoliter?
Quectoliter (qL) is a unit of volume.
Is the femtoliter to quectoliter conversion exact?
Yes. Both femtoliter and quectoliter are defined by fixed standards rather than physical artifacts, so the factor of 1e+15 used above is exact to as many digits as you choose to display.