Cubic feet to Fluid ounces Converter — ft3 to fl oz

Convert Cubic foot (ft3) to Fluid ounce (fl oz) using the exact conversion factor (1 cubic foot = 957.5064935 fluid ounce). See the formula, worked examples, conversion table, unit comparison, history, and common uses.

Cubic feet to Fluid ounces converter

Converter

Volume Converter

Convert metric, US customary, imperial, cooking, dry, and industrial volume units.

Result 1 cubic foot = 957.5064935 fluid ounce
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From definition

A cubic foot is exactly 0.028316846592 cubic meters.

To definition

A US fluid ounce is 1/128 of a US gallon.

Formula

Result = input x 0.02831684659 / 2.95735296e-5.

Volume uses the cubic meter as the base unit.

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About Converting Cubic feet to Fluid ounces

Cubic foot and Fluid ounce 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. Cubic foot is typically associated with united States (construction, HVAC, natural gas billing), while Fluid ounce is typically associated with united States (beverage, nutrition labeling).

Formula

fluid ounces = cubic feet × 957.506493506

This factor comes from each unit's defined relationship to the category's base unit: 1 cubic foot equals 0.028316846592 base units, and 1 fluid ounce equals 0.0000295735295625 base units, so dividing one by the other gives the direct cubic foot-to-fluid ounce factor of 957.506493506.

Simple example

1 ft3 × 957.5064935 = 957.5064935 fl oz

1 cubic foot = 957.5064935 fluid ounces.

Real-world example

10 ft3 × 957.5064935 = 9,575.064935 fl oz

10 cubic feet = 9,575.064935 fluid ounces.

Conversion table

Cubic foot (ft3)Fluid ounce (fl oz)
1 ft3957.5064935 fl oz
5 ft34,787.532468 fl oz
10 ft39,575.064935 fl oz
25 ft323,937.66234 fl oz
50 ft347,875.32468 fl oz
100 ft395,750.64935 fl oz

Reverse conversion: Fluid ounce to Cubic foot

957.5064935 fl oz × 0.00104437934 = 1 ft3

957.5064935 fluid ounces = 1 cubic feet.

cubic feet = fluid ounces × 0.00104437934028

For a page dedicated to this direction, see Fluid ounce to Cubic foot.

Cubic foot vs. Fluid ounce

AspectCubic footFluid ounce
FamilyUS/imperial customary unitUS customary unit
Typical useUS natural gas utility billing (often in hundreds or thousands of cubic feet)US beverage container sizing (soda, water bottles)
Where it's usedUnited States (construction, HVAC, natural gas billing)United States (beverage, nutrition labeling)

Understanding the Cubic foot

Cubic foot (ft3) measures volume. A cubic foot is exactly 0.028316846592 cubic meters, derived from the 1959 international foot. It is classified as a US/imperial customary unit.

Where it's used: United States (construction, HVAC, natural gas billing)

Uses of the Cubic foot today

  • US natural gas utility billing (often in hundreds or thousands of cubic feet)
  • HVAC airflow and building-volume calculations
  • Lumber, concrete, and construction material estimation in the US

History of the Cubic foot

The cubic foot, like the square foot, follows from the standardized foot (exactly 0.3048 m since the 1959 international agreement) rather than having a separate historical definition.

Historical origin. Cubic foot was not the invention of a single named person; it developed through the process described above.

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.

Cubic foot — sources

  • NIST — International yard and pound (1959) — Basis for the modern foot and its derived volume unit.

Fluid ounce — sources

  • NIST Handbook 44, Appendix C — General tables of units including the US fluid ounce definition.
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Frequently asked questions

How many fluid ounces are in 1 cubic foot?

1 cubic foot equals 957.5064935 fluid ounces, using the exact defined conversion factor rather than an estimate.

How do I convert cubic foot to fluid ounce?

Multiply the cubic foot value by 957.5064935. The converter above does this instantly to whatever precision you set.

How do I convert fluid ounce back to cubic foot?

Use the reverse factor: 1 fluid ounce equals 0.0010443793 cubic feet. You can also use the swap control in the converter above to flip the direction instantly.

What is a cubic foot?

Cubic foot (ft3) measures volume. A cubic foot is exactly 0.028316846592 cubic meters, derived from the 1959 international foot. It is classified as a US/imperial customary unit.

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.

Is the cubic foot to fluid ounce 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 cubic foot still used today?

United States (construction, HVAC, natural gas billing)