A US fluid ounce is 1/128 of a US gallon.
Fluid ounces to Cubic Quettameters Converter — fl oz to Qm3
Convert Fluid ounce (fl oz) to Cubic Quettameter (Qm3) using the exact conversion factor (1 fluid ounce = 2.957353e-95 cubic quettameter). See the formula, worked examples, conversion table, history, and common uses.
Fluid ounces to Cubic Quettameters 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.
Cubic metric volume unit.
Result = input x 2.95735296e-5 / 1e+90.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Fluid ounces to Cubic Quettameters
Fluid ounce and Cubic Quettameter 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
cubic quettameters = fluid ounces × 2.957353e-95
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 cubic quettameter equals 1e+90 base units, so dividing one by the other gives the direct fluid ounce-to-cubic quettameter factor of 2.957353e-95.
Simple example
1 fl oz × 2.957353e-95 = 2.957353e-95 Qm3
1 fluid ounce = 2.957353e-95 cubic quettameters.
Real-world example
10 fl oz × 2.957353e-95 = 2.957353e-94 Qm3
10 fluid ounces = 2.957353e-94 cubic quettameters.
Conversion table
| Fluid ounce (fl oz) | Cubic Quettameter (Qm3) |
|---|---|
| 1 fl oz | 2.957353e-95 Qm3 |
| 5 fl oz | 1.478676e-94 Qm3 |
| 10 fl oz | 2.957353e-94 Qm3 |
| 25 fl oz | 7.393382e-94 Qm3 |
| 50 fl oz | 1.478676e-93 Qm3 |
| 100 fl oz | 2.957353e-93 Qm3 |
Reverse conversion: Cubic Quettameter to Fluid ounce
2.957353e-95 Qm3 × 3.381402e+94 = 1.000000015 fl oz
2.957353e-95 cubic quettameters = 1.000000015 fluid ounces.
fluid ounces = cubic quettameters × 3.381402e+94
For a page dedicated to this direction, see Cubic Quettameter 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 Cubic Quettameter (Qm3)
Cubic metric volume unit.
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 cubic quettameters are in 1 fluid ounce?
1 fluid ounce equals 2.957353e-95 cubic quettameters, using the exact defined conversion factor rather than an estimate.
How do I convert fluid ounce to cubic quettameter?
Multiply the fluid ounce value by 2.957353e-95. The converter above does this instantly to whatever precision you set.
How do I convert cubic quettameter back to fluid ounce?
Use the reverse factor: 1 cubic quettameter equals 3.381402e+94 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 cubic quettameter?
Cubic Quettameter (Qm3) is a unit of volume.
Is the fluid ounce to cubic quettameter 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)