A US fluid ounce is 1/128 of a US gallon.
Fluid ounces to Centiliters Converter — fl oz to cL
Convert Fluid ounce (fl oz) to Centiliter (cL) using the exact conversion factor (1 fluid ounce = 2.957352956 centiliter). See the formula, worked examples, conversion table, history, and common uses.
Fluid ounces to Centiliters 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.
Centiliter is 0.01 liter units.
Result = input x 2.95735296e-5 / 1e-5.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Fluid ounces to Centiliters
Fluid ounce and Centiliter 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
centiliters = fluid ounces × 2.95735295625
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 centiliter equals 0.00001 base units, so dividing one by the other gives the direct fluid ounce-to-centiliter factor of 2.95735295625.
Simple example
1 fl oz × 2.957352956 = 2.957352956 cL
1 fluid ounce = 2.957352956 centiliters.
Real-world example
10 fl oz × 2.957352956 = 29.57352956 cL
10 fluid ounces = 29.57352956 centiliters.
Conversion table
| Fluid ounce (fl oz) | Centiliter (cL) |
|---|---|
| 1 fl oz | 2.957352956 cL |
| 5 fl oz | 14.78676478 cL |
| 10 fl oz | 29.57352956 cL |
| 25 fl oz | 73.93382391 cL |
| 50 fl oz | 147.8676478 cL |
| 100 fl oz | 295.7352956 cL |
Reverse conversion: Centiliter to Fluid ounce
2.957352956 cL × 0.338140227 = 0.9999999999 fl oz
2.957352956 centiliters = 0.9999999999 fluid ounces.
fluid ounces = centiliters × 0.338140227018
For a page dedicated to this direction, see Centiliter 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 Centiliter (cL)
Centiliter is 0.01 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 centiliters are in 1 fluid ounce?
1 fluid ounce equals 2.957352956 centiliters, using the exact defined conversion factor rather than an estimate.
How do I convert fluid ounce to centiliter?
Multiply the fluid ounce value by 2.957352956. The converter above does this instantly to whatever precision you set.
How do I convert centiliter back to fluid ounce?
Use the reverse factor: 1 centiliter equals 0.338140227 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 centiliter?
Centiliter (cL) is a unit of volume.
Is the fluid ounce to centiliter 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)