Convert Fluid Ounce (US) to millilitres
Americas · Cooking Measures · active · modern
Conventional value The unit is customary but its modern value is settled and widely cited; the arithmetic itself is exact.
1 Fluid Ounce (US) = 29.5735 millilitres
millilitres = Fluid Ounce (US) × 29.5735
Convert any amount
Fluid Ounce (US) to millilitres table
| Fluid Ounce (US) | millilitres |
|---|---|
| 0.25 Fluid Ounce (US) | 7.39337 millilitres |
| 0.5 Fluid Ounce (US) | 14.7867 millilitres |
| 1 Fluid Ounce (US) | 29.5735 millilitres |
| 2 Fluid Ounce (US) | 59.147 millilitres |
| 3 Fluid Ounce (US) | 88.7205 millilitres |
| 4 Fluid Ounce (US) | 118.294 millilitres |
| 5 Fluid Ounce (US) | 147.868 millilitres |
| 10 Fluid Ounce (US) | 295.735 millilitres |
| 20 Fluid Ounce (US) | 591.47 millilitres |
| 25 Fluid Ounce (US) | 739.337 millilitres |
| 50 Fluid Ounce (US) | 1,478.67 millilitres |
| 100 Fluid Ounce (US) | 2,957.35 millilitres |
About the Fluid Ounce (US)
US fl oz = 29.57ml.
- Symbol
- fl oz
- Value in SI
- 1 Fluid Ounce (US) = 0.0295735 litre
- Typical use
- cooking
- Source
- UnitConvertLab measurement atlas
Every atlas conversion routes through the SI litre. See our methodology and data provenance pages for how these values are sourced and verified.
Related units and variant risk
Other cooking measures units in the Americas family, least settled first. If your figure came from a land record, invoice or historical document rather than a calculator, check these before assuming a single standard.
Related conversions
Frequently asked
How many millilitres are in a Fluid Ounce (US)?
1 Fluid Ounce (US) = 29.5735 millilitres. Multiply the number of Fluid Ounce (US) by 29.5735 to get millilitres.
What is Fluid Ounce (US) used for?
US fl oz = 29.57ml. It is classified as active and dates from the modern period.
Is the Fluid Ounce (US) value exact?
Yes for practical purposes. UnitConvertLab converts every atlas unit through the SI litre, so the arithmetic itself introduces no rounding beyond the digits shown.
How reliable is this Fluid Ounce (US) conversion?
Conventional value — The unit is customary but its modern value is settled and widely cited; the arithmetic itself is exact. Source: UnitConvertLab measurement atlas.
Cite this page
UnitConvertLab. (2026). Convert Fluid Ounce (US) to millilitres. UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/fl-oz-us-to-milliliter
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