A US fluid ounce is 1/128 of a US gallon.
Fluid ounces to Picoliters Converter — fl oz to pL
Convert Fluid ounce (fl oz) to Picoliter (pL) using the exact conversion factor (1 fluid ounce = 29,573,529,560 picoliter). See the formula, worked examples, conversion table, history, and common uses.
Fluid ounces to Picoliters 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.
Picoliter is 1e-12 liter units.
Result = input x 2.95735296e-5 / 1e-15.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Fluid ounces to Picoliters
Fluid ounce and Picoliter 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. Fluid ounce is most often used for us beverage container sizing (soda, water bottles).
Formula
picoliters = fluid ounces × 29573529562.5
This factor comes from each unit's defined relationship to the category's base unit: 1 fluid ounce equals 0.0000295735295625 base units, and 1 picoliter equals 1e-15 base units, so dividing one by the other gives the direct fluid ounce-to-picoliter factor of 29573529562.5.
Simple example
1 fl oz × 29573529560 = 29,573,529,560 pL
1 fluid ounce = 29,573,529,560 picoliters.
Real-world example
10 fl oz × 29573529560 = 295,735,295,600 pL
10 fluid ounces = 295,735,295,600 picoliters.
Conversion table
| Fluid ounce (fl oz) | Picoliter (pL) |
|---|---|
| 1 fl oz | 29,573,529,560 pL |
| 5 fl oz | 147,867,647,800 pL |
| 10 fl oz | 295,735,295,600 pL |
| 25 fl oz | 739,338,239,100 pL |
| 50 fl oz | 1.478676e+12 pL |
| 100 fl oz | 2.957353e+12 pL |
Reverse conversion: Picoliter to Fluid ounce
1 pL × 3.381402e-11 = 3.381402e-11 fl oz
1 picoliter = 3.381402e-11 fluid ounces.
fluid ounces = picoliters × 3.381402e-11
For a page dedicated to this direction, see Picoliter to Fluid ounce.
Understanding the Fluid ounce
Fluid ounce (fl oz) measures volume. The US fluid ounce is 1/128 of a US gallon: exactly 29.5735295625 milliliters. It is classified as a US customary unit.
Where it's used: United States (beverage, nutrition labeling)
Uses of the Fluid ounce today
- US beverage container sizing (soda, water bottles)
- US nutrition and medication dosing labels
History of the Fluid ounce
The US fluid ounce follows from the same English wine-gallon system as the rest of the US liquid volume units, defined as a consistent fraction of the gallon.
Historical origin. Fluid ounce was not the invention of a single named person; it developed through the process described above.
Understanding the Picoliter (pL)
Picoliter is 1e-12 liter units.
Fluid ounce — sources
- NIST Handbook 44, Appendix C — General tables of units including the US fluid ounce definition.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many picoliters are in 1 fluid ounce?
1 fluid ounce equals 29,573,529,560 picoliters, using the exact defined conversion factor rather than an estimate.
How do I convert fluid ounce to picoliter?
Multiply the fluid ounce value by 29573529560. The converter above does this instantly to whatever precision you set.
How do I convert picoliter back to fluid ounce?
Use the reverse factor: 1 picoliter equals 3.381402e-11 fluid ounces. You can also use the swap control in the converter above to flip the direction instantly.
What is a fluid ounce?
Fluid ounce (fl oz) measures volume. The US fluid ounce is 1/128 of a US gallon: exactly 29.5735295625 milliliters. It is classified as a US customary unit.
What is a picoliter?
Picoliter (pL) is a unit of volume.
Is the fluid ounce to picoliter conversion exact?
Yes. The US fluid ounce is 1/128 of a US gallon: exactly 29.5735295625 milliliters. That fixed definition is what the converter above uses, so any rounding you see is a display choice, not a limitation of the math.
Where is the fluid ounce still used today?
United States (beverage, nutrition labeling)