Convert Cubic Foot to Fluid Ounce (ft³ → fl oz)
The cubic foot is the American standard for HVAC capacity, natural gas billing, and refrigerator volume.
Cubic Foot to Fluid Ounce Conversion Table
10 common values| Cubic Foot | Fluid Ounce |
|---|---|
| 1 ft³ | 957.50649 fl oz |
| 2 ft³ | 1,915.013 fl oz |
| 5 ft³ | 4,787.5325 fl oz |
| 10 ft³ | 9,575.0649 fl oz |
| 20 ft³ | 19,150.13 fl oz |
| 50 ft³ | 47,875.325 fl oz |
| 100 ft³ | 95,750.649 fl oz |
| 200 ft³ | 191,501.3 fl oz |
| 500 ft³ | 478,753.25 fl oz |
| 1,000 ft³ | 957,506.49 fl oz |
How to Convert Cubic Foot to Fluid Ounce Manually
Step by StepConverting cubic feet to fluid ounces is straightforward: multiply by the conversion factor. Follow these three steps to do it by hand or in your head.
- 1Take your value in cubic feetStart with the number of cubic feet (ft³) you want to convert.
- 2Multiply by 957.50649The conversion factor from ft³ to fl oz is 957.50649. Multiply your value by this number.
- 3Read the result in fluid ouncesThe result is your value in fluid ounces (fl oz).
Formula
Multiply the value in cubic feet by 957.50649. For the reverse direction, multiply by 0.001044.
fl oz = ft³ × 957.50649ft³ = fl oz × 0.001044Tips
Use these in everyday conversions- 1 ft³ = 28.317 L = 0.0283 m³.
- CFM to m³/h: multiply CFM by 1.699.
- 1 m³ ≈ 35.3 ft³.
Common Mistakes
Avoid these- Confusing ft³ with ft² in US real-estate contexts.
- Using 28 L instead of 28.32 L in precision HVAC calculations.
- Mixing CCF (100 cubic feet) with CFM (cubic feet per minute) on utility bills.
About Cubic Foot and Fluid Ounce
What is the Cubic Foot?
The cubic foot equals approximately 28.317 liters (or exactly 1,728 cubic inches) and is the American standard volume unit for HVAC capacity, natural-gas billing, refrigerator interior volume, and bulk material like concrete or mulch. American gas utilities measure delivered gas in 'CCF' (hundred cubic feet) or 'MCF' (thousand cubic feet), even when the customer thinks in terms of monthly bills. Refrigerators are advertised by their interior cubic-foot capacity (typical home unit: 18–25 ft³). Air-conditioning systems are rated in CFM (cubic feet per minute) airflow. Concrete is sometimes priced by the cubic yard (27 ft³), and mulch and topsoil are often sold by cubic foot bags. The cubic foot relates to the cubic yard (27 ft³ = 1 yd³), the cubic inch (1,728 in³ = 1 ft³), the cubic meter (1 ft³ ≈ 0.0283 m³), and the gallon (1 ft³ ≈ 7.481 US gal).
- US air-conditioning and ventilation flow (CFM)
- US natural gas consumption
- Refrigerator and freezer capacity in the US
A typical US fridge is 20 cu ft (566 L). US HVAC flow rated in CFM. US residential gas billed per 100 cu ft (CCF).
What is the Fluid Ounce?
The US fluid ounce equals exactly 29.5735295625 milliliters and is the standard small-volume unit for beverages, cocktails, personal-care products, and cooking in the United States. It is distinct from the (weight) ounce: 1 fluid ounce of water weighs about 1 ounce by weight at room temperature, but other liquids may weigh more or less. Soft-drink cans (12 fl oz), beer bottles (12 fl oz), shampoo bottles, and skin-cream tubs all label volume in fluid ounces. The US fluid ounce is slightly different from the UK imperial fluid ounce (28.4131 mL — about 4% smaller), reflecting the different gallon definitions. The US fl oz relates to the gallon (128 fl oz = 1 gal), the cup (8 fl oz = 1 cup), the tablespoon (2 tbsp = 1 fl oz), and the milliliter (1 fl oz ≈ 29.57 mL). Cocktail recipes universally use fluid ounces.
- US beverage and soda can sizes (12 fl oz)
- Cosmetic and personal-care product volumes
- US fluid recipes and cocktail measures
A US soda can is 12 fl oz (355 ml). A Starbucks Tall is 12 fl oz; Grande is 16; Venti is 20.