US Fluid Ounce to Milliliter Converter
Convert US Fluid Ounce to Milliliter — free, instant, accurate. Part of Volume converters.
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US Fluid Ounce to Milliliter: values and formula
1 US Fluid Ounce = 29.573515625 Milliliter, and 1 Milliliter = 0.0338140386 US Fluid Ounce. To convert a volume value from US Fluid Ounce to Milliliter, multiply it by 29.573515625. For example, 10 US Fluid Ounce equals 295.73515625 Milliliter, and 250 US Fluid Ounce equals 7393.3789063 Milliliter.
| US Fluid Ounce | Milliliter |
|---|---|
| 1 US Fluid Ounce | 29.573515625 Milliliter |
| 2 US Fluid Ounce | 59.14703125 Milliliter |
| 5 US Fluid Ounce | 147.86757813 Milliliter |
| 10 US Fluid Ounce | 295.73515625 Milliliter |
| 25 US Fluid Ounce | 739.33789063 Milliliter |
| 50 US Fluid Ounce | 1478.6757813 Milliliter |
| 100 US Fluid Ounce | 2957.3515625 Milliliter |
| 500 US Fluid Ounce | 14786.757813 Milliliter |
| 1000 US Fluid Ounce | 29573.515625 Milliliter |
When to use the US Fluid Ounce to Milliliter converter
- Recipe conversion — cups, millilitres, and fluid ounces for international cooking.
- Fuel economy — comparing miles-per-gallon (US vs imperial) and litres-per-100 km.
- Brewing and bartending — switching pints, half-pints, and millilitres.
- Chemistry and lab work — precise mL-to-cubic-cm conversions.
A short history of volume units
Volume units split into two main families: metric (litre, derived from the cubic decimetre) and imperial (gallon, quart, pint, fluid ounce). The litre was defined in 1795 alongside the metre. The US gallon (231 cubic inches, 3.785 L) and the imperial gallon (4.546 L) diverged after the UK redefined its gallon in 1824, which is why an American pint is 473 mL and a British pint is 568 mL.
Common mistakes when converting volume
US vs imperial gallon
A US gallon is about 16% smaller than an imperial gallon. A car rated 30 US mpg is roughly 36 imperial mpg.
Fluid ounce vs ounce
A fluid ounce is a volume; an ounce is a weight. They are different quantities and only match for water at specific conditions.
Confusing cubic centimetre with millilitre rules of thumb
1 cm³ equals 1 mL exactly — this is by definition, not approximation.
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