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Convert US fluid ounces to Cubic feet

1 US fluid ounce is 0.001044 ft³. One US fluid ounce is exactly 0.00104437934028 cubic feet.

One US fluid ounce is 0.0010443793 cubic feet. To convert US fluid ounces to cubic feet, multiply by 0.0010443793; to go the other way, divide by 0.0010443793 or multiply by 957.50649. The relation is exact but the figure is not: it is a rounding of a number that does not terminate, and it follows from NIST Handbook 130. Exactly one 128th of a US gallon, which makes it 29.5735295625 ml exactly.

Factor checked against the defining standard · How we check

Cubic feet
0.001044 ft³
US fluid ounces × 0.0010443793
1 * 0.00104440.001 ft³

1 US fluid ounce in every volume unit

1 US fluid ounce expressed in every volume unit
UnitValueExact factor
US teaspoons6 tsp× 6
US tablespoons2 tbsp× 2
US fluid ounces (as entered)1 fl oz—
US cups0.125 cup× 0.125
US pints0.0625 pt× 0.0625
US quarts0.03125 qt× 0.03125
US gallons0.0078125 gal× 0.0078125
milliliters29.57352956 ml× 29.5735295625
liters0.02957352956 L× 0.0295735295625
imperial gallons0.006505267067 gal (UK)× 0.00650526706741
imperial quarts0.02602106827 qt (UK)× 0.0260210682697
imperial pints0.05204213654 pt (UK)× 0.0520421365393
imperial fluid ounces1.040842731 fl oz (UK)× 1.04084273079
imperial gills0.2081685462 gi (UK)× 0.208168546157
cubic millimetres29,573.52956 mm³× 29,573.5295625
cubic centimetres29.57352956 cm³× 29.5735295625
cubic inches1.8046875 in³× 1.8046875
cubic feet0.00104437934 ft³× 0.00104437934028
cubic yards0.00003868071631 yd³× 0.0000386807163066
cubic metres0.00002957352956 m³× 0.0000295735295625

Factors are entered by hand from NIST Handbook 130 rather than derived from a units library, so the ones that terminate are exact rather than rounded.

How do you convert US fluid ounces to cubic feet? The converter and the working

  1. 1.Take the measurement in US fluid ounces.
  2. 2.Multiply by 0.0010443793 — that is how many cubic feet fit in one US fluid ounce.
  3. 3.To go back the other way, divide by 0.0010443793, or multiply by 957.50649.

Worked example: 25 US fluid ounces to cubic feet

Formula
fl oz × 0.0010443793 = ft³
Arithmetic
25 × 0.0010443793 = 0.03 ft³
Answer
25 fl oz = 0.03 ft³

The factor is rounded for display; the figure above is computed from the full value.

US fluid ounces to cubic feet conversion table

US fluid ounces to cubic feet conversion table
US fluid ouncesCubic feet
1 fl oz0.001044 ft³
2 fl oz0.002089 ft³
3 fl oz0.003133 ft³
4 fl oz0.004178 ft³
5 fl oz0.01 ft³
6 fl oz0.01 ft³
7 fl oz0.01 ft³
8 fl oz0.01 ft³
9 fl oz0.01 ft³
10 fl oz0.01 ft³
12 fl oz0.01 ft³
15 fl oz0.02 ft³
20 fl oz0.02 ft³
25 fl oz0.03 ft³
50 fl oz0.05 ft³
100 fl oz0.1 ft³
200 fl oz0.21 ft³
300 fl oz0.31 ft³
500 fl oz0.52 ft³
1000 fl oz1.04 ft³
2000 fl oz2.09 ft³
5000 fl oz5.22 ft³
10000 fl oz10.44 ft³

What is a US fluid ounce?

Exactly one 128th of a US gallon, which makes it 29.5735295625 ml exactly. The imperial fluid ounce is a different unit at exactly 28.4130625 ml, so a UK recipe calling for 10 fl oz means 284 ml and a US one means 296 ml. It is also a volume, not a weight: an ounce of flour is not a fluid ounce of flour.

What is a cubic foot?

Exactly 28.316846592 litres, or 7.48 US gallons. The working unit of natural gas billing, air flow and refrigerator capacity in the US.

How many cubic feet are in a US fluid ounce?

One US fluid ounce is 0.0010443793 cubic feet. Going the other way, one cubic foot is 957.50649 US fluid ounces. Both figures come from the same defined relation rather than from a measurement, which is why they are the same today as they were in 1959.

Every volume unit here

The whole group — 20 units with their symbols and the size of each one in liters — is on the conversion index, along with every pair it makes. The table above already gives each of them relative to a US fluid ounce.

Source: NIST Handbook 130 — US customary liquid measure

Cite this page

APA
Rule Calculator. (2026). Convert US fluid ounces to cubic feet. Rule Calculator. https://rulecalculators.com/convert/fluid-ounce-to-cubic-foot
MLA
"Convert US fluid ounces to cubic feet." Rule Calculator, August 16, 2026, https://rulecalculators.com/convert/fluid-ounce-to-cubic-foot.
Chicago
Rule Calculator. "Convert US fluid ounces to cubic feet." Rule Calculator. Last reviewed August 16, 2026. https://rulecalculators.com/convert/fluid-ounce-to-cubic-foot.

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Questions people actually ask

How many cubic feet are in a US fluid ounce?
0.0010443793. Exactly 28.316846592 litres, or 7.48 US gallons. The working unit of natural gas billing, air flow and refrigerator capacity in the US.
How do I convert cubic feet back to US fluid ounces?
Divide by 0.0010443793, or multiply by 957.50649 — they are the same operation.

Other volume conversions

Cubic feet to US fluid ounces — the same conversion the other way.

Calculators that work in volume