A US fluid ounce is 1/128 of a US gallon.
Fluid ounces to Dashs Converter — fl oz to dash
Convert Fluid ounce (fl oz) to Dash (dash) using the exact conversion factor (1 fluid ounce = 47.99999994 dash). See the formula, worked examples, conversion table, history, and common uses.
Fluid ounces to Dashs converter
Converter
Cooking Converter
Convert cooking volume and mass units used in recipes and nutrition workflows.
Context values
Some unit families need one extra value for a physically accurate result.
A cooking dash approximated as 1/8 teaspoon.
Result = input x 2.95735296e-5 / 6.161152e-7.
Volume units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Fluid ounces to Dashs
Fluid ounce and Dash both show up in recipes, and converting between them matters whenever a recipe from one country's cookbook needs to be followed with another country's measuring tools. Fluid ounce is most often used for us beverage container sizing (soda, water bottles).
Formula
dashs = fluid ounces × 47.9999999391
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 dash equals 6.161152e-7 base units, so dividing one by the other gives the direct fluid ounce-to-dash factor of 47.9999999391.
Simple example
1 fl oz × 47.99999994 = 47.99999994 dash
1 fluid ounce = 47.99999994 dashs.
Real-world example
2 fl oz × 47.99999994 = 95.99999988 dash
2 fluid ounces = 95.99999988 dashs.
Conversion table
| Fluid ounce (fl oz) | Dash (dash) |
|---|---|
| 0.25 fl oz | 11.99999998 dash |
| 0.5 fl oz | 23.99999997 dash |
| 1 fl oz | 47.99999994 dash |
| 2 fl oz | 95.99999988 dash |
| 4 fl oz | 191.9999998 dash |
| 8 fl oz | 383.9999995 dash |
Reverse conversion: Dash to Fluid ounce
47.99999994 dash × 0.02083333336 = 1 fl oz
47.99999994 dashs = 1 fluid ounces.
fluid ounces = dashs × 0.0208333333598
For a page dedicated to this direction, see Dash 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 Dash (dash)
A cooking dash approximated as 1/8 teaspoon.
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 dashs are in 1 fluid ounce?
1 fluid ounce equals 47.99999994 dashs, using the exact defined conversion factor rather than an estimate.
How do I convert fluid ounce to dash?
Multiply the fluid ounce value by 47.99999994. The converter above does this instantly to whatever precision you set.
How do I convert dash back to fluid ounce?
Use the reverse factor: 1 dash equals 0.0208333334 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 dash?
Dash (dash) is a unit of cooking.
Is the fluid ounce to dash 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)