Instant · Precise · Universal
47 units available
6 categories total
To mL: multiply by 236.588. To liters: multiply by 0.236588. To UK cups: multiply by 0.832674.
1 US cup = 8 US fl oz = 16 US tbsp = 48 US tsp = 1/2 US pint ≈ 236.588 mL.
For example, 1 Cup (US) (cup (US)) = 2.365882e+14 Femtoliter (fL).
| Cup (US) (cup (US)) | Femtoliter (fL) |
|---|---|
| 0.1 | 2.365882e+13 |
| 0.5 | 1.182941e+14 |
| 1 | 2.365882e+14 |
| 2 | 4.731765e+14 |
| 5 | 1.182941e+15 |
| 10 | 2.365882e+15 |
| 25 | 5.914706e+15 |
| 50 | 1.182941e+16 |
| 100 | 2.365882e+16 |
| 500 | 1.182941e+17 |
| 1000 | 2.365882e+17 |
The US cup is a unit of culinary volume equal to 8 US fluid ounces, or approximately 236.588 milliliters.
1 US cup = 8 US fl oz = 16 US tbsp = 48 US tsp = 1/2 US pint ≈ 236.588 mL.
To mL: multiply by 236.588. To liters: multiply by 0.236588. To UK cups: multiply by 0.832674.
Measuring flour, sugar, milk, water, and other cooking ingredients. Standard in every American cookbok and food label.
The US cup, metric cup (250 mL), and Japanese cup (200 mL) are all different sizes — international recipes can be confusing!
Using a coffee mug as a 'cup' — mugs range from 200–350 mL. Always use a calibrated measuring cup for accuracy.
Key conversions: 1 cup = 16 tbsp = 8 fl oz = 1/2 pint. For metric: 1 cup ≈ 240 mL (close enough for cooking).
The femtoliter is a unit of volume equal to 10⁻¹⁵ liters, or one quadrillionth of a liter.
1 fL = 10⁻¹⁵ L = 10⁻¹² mL = 1,000 aL = 1 µm³ (cubic micrometer).
To liters: multiply by 10⁻¹⁵. To picoliters: divide by 1,000. To attoliters: multiply by 1,000.
Measuring red blood cell volumes (normal MCV: 80–100 fL), inkjet droplet sizes, and flow cytometry particle analysis.
A human red blood cell has a volume of about 90 fL. The smallest inkjet droplets are in the range of 1–5 fL.
Assuming fL is too small to be practical — it is actually the standard unit used on every complete blood count (CBC) lab report.
Remember: fL = femtoliter, the volume of blood cells. Normal MCV range: 80–100 fL. It's a key clinical measurement.



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