Convert US fluid ounces to Cubic metres
1 US fluid ounce is 0.00002957 m³. One US fluid ounce is exactly 0.0000295735295625 cubic metres.
One US fluid ounce is 2.9574 × 10^-5 cubic metres. To convert US fluid ounces to cubic metres, multiply by 2.9574 × 10^-5; to go the other way, divide by 2.9574 × 10^-5 or multiply by 33814.023. 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
- US fluid ounces × 2.9574 × 10^-5
1 * 0.00002960 m³
1 US fluid ounce in every volume unit
| Unit | Value | Exact factor |
|---|---|---|
| US teaspoons | 6 tsp | × 6 |
| US tablespoons | 2 tbsp | × 2 |
| US fluid ounces (as entered) | 1 fl oz | — |
| US cups | 0.125 cup | × 0.125 |
| US pints | 0.0625 pt | × 0.0625 |
| US quarts | 0.03125 qt | × 0.03125 |
| US gallons | 0.0078125 gal | × 0.0078125 |
| milliliters | 29.57352956 ml | × 29.5735295625 |
| liters | 0.02957352956 L | × 0.0295735295625 |
| imperial gallons | 0.006505267067 gal (UK) | × 0.00650526706741 |
| imperial quarts | 0.02602106827 qt (UK) | × 0.0260210682697 |
| imperial pints | 0.05204213654 pt (UK) | × 0.0520421365393 |
| imperial fluid ounces | 1.040842731 fl oz (UK) | × 1.04084273079 |
| imperial gills | 0.2081685462 gi (UK) | × 0.208168546157 |
| cubic millimetres | 29,573.52956 mm³ | × 29,573.5295625 |
| cubic centimetres | 29.57352956 cm³ | × 29.5735295625 |
| cubic inches | 1.8046875 in³ | × 1.8046875 |
| cubic feet | 0.00104437934 ft³ | × 0.00104437934028 |
| cubic yards | 0.00003868071631 yd³ | × 0.0000386807163066 |
| cubic metres | 0.00002957352956 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 metres? The converter and the working
- 1.Take the measurement in US fluid ounces.
- 2.Multiply by 2.9574 × 10^-5 — that is how many cubic metres fit in one US fluid ounce.
- 3.To go back the other way, divide by 2.9574 × 10^-5, or multiply by 33814.023.
Worked example: 25 US fluid ounces to cubic metres
- Formula
- fl oz × 2.9574 × 10^-5 = m³
- Arithmetic
- 25 × 2.9574 × 10^-5 = 0.0007393 m³
- Answer
- 25 fl oz = 0.0007393 m³
The factor is rounded for display; the figure above is computed from the full value.
US fluid ounces to cubic metres conversion table
| US fluid ounces | Cubic metres |
|---|---|
| 1 fl oz | 0.00002957 m³ |
| 2 fl oz | 0.00005915 m³ |
| 3 fl oz | 0.00008872 m³ |
| 4 fl oz | 0.0001183 m³ |
| 5 fl oz | 0.0001479 m³ |
| 6 fl oz | 0.0001774 m³ |
| 7 fl oz | 0.000207 m³ |
| 8 fl oz | 0.0002366 m³ |
| 9 fl oz | 0.0002662 m³ |
| 10 fl oz | 0.0002957 m³ |
| 12 fl oz | 0.0003549 m³ |
| 15 fl oz | 0.0004436 m³ |
| 20 fl oz | 0.0005915 m³ |
| 25 fl oz | 0.0007393 m³ |
| 50 fl oz | 0.001479 m³ |
| 100 fl oz | 0.002957 m³ |
| 200 fl oz | 0.01 m³ |
| 300 fl oz | 0.01 m³ |
| 500 fl oz | 0.01 m³ |
| 1000 fl oz | 0.03 m³ |
| 2000 fl oz | 0.06 m³ |
| 5000 fl oz | 0.15 m³ |
| 10000 fl oz | 0.3 m³ |
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 metre?
Exactly a thousand litres, by the definition of the litre. The SI unit of volume, and how the rest of the world orders concrete.
How many cubic metres are in a US fluid ounce?
One US fluid ounce is 2.9574 × 10^-5 cubic metres. Going the other way, one cubic metre is 33814.023 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.
Cite this page
- APA
- Rule Calculator. (2026). Convert US fluid ounces to cubic metres. Rule Calculator. https://rulecalculators.com/convert/fluid-ounce-to-cubic-meter
- MLA
- "Convert US fluid ounces to cubic metres." Rule Calculator, August 16, 2026, https://rulecalculators.com/convert/fluid-ounce-to-cubic-meter.
- Chicago
- Rule Calculator. "Convert US fluid ounces to cubic metres." Rule Calculator. Last reviewed August 16, 2026. https://rulecalculators.com/convert/fluid-ounce-to-cubic-meter.
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Questions people actually ask
- How many cubic metres are in a US fluid ounce?
- 2.9574 × 10^-5. Exactly a thousand litres, by the definition of the litre. The SI unit of volume, and how the rest of the world orders concrete.
- How do I convert cubic metres back to US fluid ounces?
- Divide by 2.9574 × 10^-5, or multiply by 33814.023 — they are the same operation.
Other volume conversions
Cubic metres to US fluid ounces — the same conversion the other way.