Femtoliters to Metric Cups Converter
Enter the volume in femtoliters below to convert it to metric cups.
Convert Femtoliters to Metric Cups
Enter a value in femtoliters (fL) to convert to metric cups (cup (metric)).
Femtoliter to Cup Conversion Table
Table showing various femtoliter measurements converted to metric cups. Click any preset value or arrow to load it into the converter.
| Femtoliters (fL) | Metric Cups (cup (metric)) |
|---|---|
| 1 fL | 4e-15 cup (metric) |
| 10 fL | 4e-14 cup (metric) |
| 100 fL | 4e-13 cup (metric) |
| 1,000 fL | 4e-12 cup (metric) |
| 10,000 fL | 4e-11 cup (metric) |
| 100,000 fL | 4e-10 cup (metric) |
| 1,000,000 fL | 4e-9 cup (metric) |
| 5,000,000 fL | 0.00000002 cup (metric) |
| 10,000,000 fL | 0.00000004 cup (metric) |
| 25,400,000 fL | 0.000000102 cup (metric) |
How to Convert Femtoliters to Metric Cups
To convert femtoliters to metric cups, multiply the volume by the following conversion ratio: 4e-15 metric cups/femtoliter.
Since one femtoliter is equal to 4e-15 metric cups, you can use this simple formula to convert:
The volume in metric cups is equal to the volume in femtoliters multiplied by 4e-15.
For example, here's how to convert 5 femtoliters to metric cups using the formula above.
How Many Metric Cups Are in a Femtoliter?
There are 4e-15 metric cups in a femtoliter, which is why we use this value in the formula above.
Our femtoliter to cup calculator automatically converts your volume measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Femtoliters and metric cups 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 Cup?
A cup is a unit of volume equal to 1/4 of a liter (0.25 L). International metric culinary cup equal to 250 milliliters. [2]
The cup is classified as a metric and SI-compatible unit of volume. Metric Cups can be abbreviated as cup (metric); for example, 1 cup can be written as 1 cup (metric).
When working with metric cups (cup (metric)) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, metric cups (cup (metric)) are widely used across standard volume applications within SI metric workflows, engineering documentation, and technical data sheets.
When converting volume between femtoliters (fL) and metric cups (cup (metric)), keep full floating-point precision (1 fL = 4e-15 cup (metric); 1 cup (metric) = 2.5e+14 fL) during intermediate calculations and round only the final cup figure to match your instrument tolerance.
More Femtoliter & Metric Cup Conversions
Need to calculate in the opposite direction? Use our metric cups to femtoliters calculator to switch your starting unit immediately. You can also explore related tools such as converting metric cups to femtoliters, converting cups (us) to metric cups, or converting milliliters to metric cups.
Convert from Femtoliters
Weight and volume require ingredient density (g/mL). Choose a USDA FoodData Central verified ingredient below:
Frequently Asked Questions
References
- [1]NIST OWM StandardNIST OWM (SI Units — Volume)·Volume & Liquid Metrology Standard — Femtoliters (fL) to Metric Cups (cup (metric))
- [2]NIST HB 44 SpecificationNIST HB 44 (Liquid & Dry Capacity Tables)·Unit Specifications: Femtoliter (fL) & Cup (Metric) (cup (metric))
- [3]NIST SP 811 ReferenceNIST SP 811 (NIST SP 811 App. B.9)·Conversion Factors & Mathematical Basis (fL to cup (metric))