Femtoliters to Fluid Ounces Converter
Enter the volume in femtoliters below to convert it to fluid ounces.
Convert Femtoliters to Fluid Ounces (UK)
Enter a value in femtoliters (fL) to convert to fluid ounces (uk) (fl oz (UK)).
Femtoliter to Fluid Ounce Conversion Table
Table showing various femtoliter measurements converted to fluid ounces. Click any preset value or arrow to load it into the converter.
| Femtoliters (fL) | Fluid Ounces (UK) (fl oz (UK)) |
|---|---|
| 1 fL | 3.519508e-14 fl oz (UK) |
| 10 fL | 3.519508e-13 fl oz (UK) |
| 100 fL | 3.519508e-12 fl oz (UK) |
| 1,000 fL | 3.519508e-11 fl oz (UK) |
| 10,000 fL | 3.519508e-10 fl oz (UK) |
| 100,000 fL | 3.519508e-9 fl oz (UK) |
| 1,000,000 fL | 0.000000035 fl oz (UK) |
| 5,000,000 fL | 0.000000176 fl oz (UK) |
| 10,000,000 fL | 0.000000352 fl oz (UK) |
| 25,400,000 fL | 0.000000894 fl oz (UK) |
How to Convert Femtoliters to Fluid Ounces
To convert femtoliters to fluid ounces, multiply the volume by the following conversion ratio: 3.519508e-14 fluid ounces/femtoliter.
Since one femtoliter is equal to 3.519508e-14 fluid ounces, you can use this simple formula to convert:
The volume in fluid ounces is equal to the volume in femtoliters multiplied by 3.519508e-14.
For example, here's how to convert 5 femtoliters to fluid ounces using the formula above.
How Many Fluid Ounces Are in a Femtoliter?
There are 3.519508e-14 fluid ounces in a femtoliter, which is why we use this value in the formula above.
Our femtoliter to fluid ounce calculator automatically converts your volume measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Femtoliters and fluid ounces are both units used to measure volume. Keep reading to learn more about each unit.
What Is a Femtoliter?
A femtoliter is a unit of volume equal to 1e-15 liters (L), the base unit for volume. 10⁻¹⁵ liters (1 µm³), used in hematology (mean corpuscular volume). [1]
The femtoliter is classified as a metric and SI-compatible unit of volume. Femtoliters can be abbreviated as fL; for example, 1 femtoliter can be written as 1 fL.
In the metric system, "femto" is the standard SI prefix for quadrillionths, or 10⁻¹⁵. This makes the femtoliter (fL) a convenient decimal multiple of the liter (L).
In practice, femtoliters (fL) are widely used across fine-tolerance laboratory, analytical, and micro-scale volume measurements within SI metric workflows, engineering documentation, and technical data sheets.
What Is a Fluid Ounce?
A fluid ounce is a unit of volume equal to 0.0284131 liters (L), the base unit for volume. 1/160 of a UK Imperial gallon (28.4131 mL). [2]
The fluid ounce is classified as a US customary and imperial unit of volume. Fluid Ounces can be abbreviated as fl oz (UK); for example, 1 fluid ounce can be written as 1 fl oz (UK).
When working with fluid ounces (fl oz (UK)) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, fluid ounces (fl oz (UK)) are widely used across standard volume applications within US customary and imperial workflows, engineering documentation, and technical data sheets.
When converting volume between femtoliters (fL) and fluid ounces (fl oz (UK)), keep full floating-point precision (1 fL = 3.519508e-14 fl oz (UK); 1 fl oz (UK) = 2.841306e+13 fL) during intermediate calculations and round only the final fluid ounce figure to match your instrument tolerance.
More Femtoliter & Imperial Fluid Ounce Conversions
Need to calculate in the opposite direction? Use our fluid ounces (uk) to femtoliters calculator to switch your starting unit immediately. You can also explore related tools such as converting fluid ounces (uk) to femtoliters, converting fluid ounces (us) to fluid ounces (uk), or converting milliliters to fluid ounces (uk).
Convert from Femtoliters
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Frequently Asked Questions
References
- [1]NIST OWM StandardNIST OWM (SI Units — Volume)·Volume & Liquid Metrology Standard — Femtoliters (fL) to Fluid Ounces (UK) (fl oz (UK))
- [2]NIST HB 44 SpecificationNIST HB 44 (Liquid & Dry Capacity Tables)·Unit Specifications: Femtoliter (fL) & Fluid Ounce (UK Imperial) (fl oz (UK))
- [3]NIST SP 811 ReferenceNIST SP 811 (NIST SP 811 App. B.9)·Conversion Factors & Mathematical Basis (fL to fl oz (UK))