Convert Imperial Fluid Ounce to Cubic Foot
Convert imperial fluid ounces to cubic feet instantly. 1 imperial fluid ounce = 0.0010033978 cubic foot — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Cubic Foot to Imperial Fluid Ounce converter for the reverse conversion.
Units explained
Imperial Fluid Ounce
An imperial fluid ounce is 1/160 of an imperial gallon (28.4131 mL).
Defined so that ten fluid ounces make an imperial half-pint.
Used in UK and Commonwealth recipes and labels.
UK, 1824.
Cubic Foot
A cubic foot is the volume of a cube one foot on a side (28.3168 L).
Derived by cubing the international foot (0.3048 m).
Used for natural gas, refrigerators, shipping and HVAC.
1959 yard agreement.
Imperial Fluid Ounce to Cubic Foot conversion formula
The relationship between imperial fluid ounces and cubic feet:
To convert imperial fluid ounces to cubic feet, multiply the value in imperial fluid ounces by 0.0010033978. To reverse, multiply cubic feet by 996.6136734469.
How to use this converter
Type a value into the calculator. The result in cubic feet updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Cubic Foot to Imperial Fluid Ounce converter for the reverse direction.
Step-by-step: convert imperial fluid ounces to cubic feet
- Write down the value in imperial fluid ounces (fl oz).
- Multiply that value by the factor 0.0010033978.
- The product is the equivalent value in cubic feet (ft³).
- To reverse, multiply the cubic foot value by 996.6136734469.
Worked examples
Example 1 — Convert 1 fl oz to ft³:
1 × 0.0010033978 = 0.0010033978 ft³
Example 2 — Convert 100 fl oz to ft³:
100 × 0.0010033978 = 0.1003397833 ft³
Real-world example — Packaging gauge
A 4-imperial fluid ounce plastic bag thickness is a common spec for grocery and freezer bags. Converting from imperial fluid ounces to cubic feet is what packaging buyers do whenever they bridge US and metric supplier quotes.
4 fl oz × 0.0010033978 = 0.0040135913 ft³
Real-world example — Plastic film and laminate thickness
A 500-imperial fluid ounce sheet is a typical spec for ID-card laminates and film overlays. Converting to cubic feet aligns the value with the unit most CAD systems and material datasheets prefer.
500 fl oz × 0.0010033978 = 0.5016989164 ft³
Imperial Fluid Ounce to Cubic Foot conversion table
Standard reference values for converting imperial fluid ounces to cubic feet:
| Imperial Fluid Ounce [fl oz] | Cubic Foot [ft³] |
|---|---|
| 0.01 | 1.003398e-5 |
| 0.1 | 0.0001003398 |
| 1 | 0.0010033978 |
| 2 | 0.0020067957 |
| 3 | 0.0030101935 |
| 4 | 0.0040135913 |
| 5 | 0.0050169892 |
| 10 | 0.0100339783 |
| 20 | 0.0200679567 |
| 30 | 0.030101935 |
| 40 | 0.0401359133 |
| 50 | 0.0501698916 |
| 100 | 0.1003397833 |
| 500 | 0.5016989164 |
| 1000 | 1.0033978327 |
Frequently asked questions
How many cubic feet is 1 imperial fluid ounce?
How do I convert imperial fluid ounces to cubic feet?
How do I convert cubic feet back to imperial fluid ounces?
How many cubic feet is 100 imperial fluid ounces?
Popular volume unit conversions
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Metric / SI (8 units)
US Customary (Liquid) (8 units)
Imperial (UK) (3 units)
Cubic (length-derived) (3 units)
Sources & references
Conversion factor (1 fl oz = 0.0010033978 ft³) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Astronomical Union — System of Astronomical Constants
The IAU defines astronomical units including the AU (149597870700 m exactly) light-year and parsec used in astronomy and astrophysics.