1 US fluid ounce (fl oz (US)) = 1.8046875 cubic inches (in³). To convert, multiply by 1.8046875: in³ = fl oz (US) × 1.8046875. For example, 5 fl oz (US) = 9.0234375 in³.
in³ = fl oz (US) × 1.8046875
US fluid ounces to cubic inches table
| US fluid ounces (fl oz (US)) | Cubic inches (in³) |
|---|---|
| 1 | 1.8046875 |
| 2 | 3.609375 |
| 3 | 5.4140625 |
| 4 | 7.21875 |
| 5 | 9.0234375 |
| 10 | 18.046875 |
| 20 | 36.09375 |
| 25 | 45.1171875 |
| 50 | 90.234375 |
| 100 | 180.46875 |
| 250 | 451.171875 |
| 500 | 902.34375 |
| 1,000 | 1,804.6875 |
The two units
US fluid ounce (fl oz (US)). One 128th of a US gallon.
Cubic inch (in³). A cube one inch on each side: exactly 16.387064 cubic centimeters.
Because both units are defined in terms of the same base unit, the factor 1.8046875 is exact, not a rounded measurement.
Convert US fluid ounces to other units
- US fluid ounces to liters — 1 fl oz (US) = 0.0295735296 L
- US fluid ounces to milliliters — 1 fl oz (US) = 29.57352956 mL
- US fluid ounces to cubic meters — 1 fl oz (US) = 0.0000295735 m³
- US fluid ounces to US gallons — 1 fl oz (US) = 0.0078125 gal (US)
- US fluid ounces to US quarts — 1 fl oz (US) = 0.03125 qt (US)
- US fluid ounces to US pints — 1 fl oz (US) = 0.0625 pt (US)
- US fluid ounces to US cups — 1 fl oz (US) = 0.125 cup
- US fluid ounces to US tablespoons — 1 fl oz (US) = 2 tbsp
- US fluid ounces to US teaspoons — 1 fl oz (US) = 6 tsp
- US fluid ounces to imperial gallons — 1 fl oz (US) = 0.0065052671 gal (UK)
- US fluid ounces to imperial pints — 1 fl oz (US) = 0.0520421365 pt (UK)
- US fluid ounces to cubic feet — 1 fl oz (US) = 0.0010443793 ft³
Convert other units to cubic inches
- Cubic inches to US fluid ounces
- Liters to cubic inches
- Milliliters to cubic inches
- Cubic meters to cubic inches
- US gallons to cubic inches
- US quarts to cubic inches
- US pints to cubic inches
- US cups to cubic inches
- US tablespoons to cubic inches
- US teaspoons to cubic inches
- Imperial gallons to cubic inches
- Imperial pints to cubic inches
- Cubic feet to cubic inches
Questions people ask
- How many cubic inches are in a US fluid ounce?
- 1.8046875, exactly.
- How do you convert US fluid ounces to cubic inches?
- in³ = fl oz (US) × 1.8046875. It is the same as dividing by 0.5541125541.
- How do you convert cubic inches back to US fluid ounces?
- fl oz (US) = in³ ÷ 1.8046875. See cubic inches to US fluid ounces.
Results use the legal definitions of each unit and are checked against the Pint unit library. Display rounds to 10 significant digits. All unit conversions · More tools
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