3 Fluid Ounce (US) to Milliliter
3 Fluid Ounce (US) (fl oz) equals
88.720589 mL
3 × 29.5735295625 = 88.720589 Milliliter
Convert Fluid Ounce (US) (fl oz) to Milliliter (mL) instantly. 1 fl oz = 29.57353 mL.
Worked example: converting Fluid Ounce (US) to Milliliter
- Step 1 — start with the formula. mL = fl oz × 29.5735295625
- Step 2 — substitute your figure. 3 fl oz × 29.5735295625
- Step 3 — read the result. 3 fl oz = 88.720589 mL
- Step 4 — check it in reverse. fl oz = mL × 0.0338140227 returns 3 fl oz, which matches the figure you started with.
Volume Converter
40 units available
3 fl oz = 88.720589 mL
Formula:
mL = fl oz × 29.5735295625With your value: 3 fl oz = 88.72058869 mL
How big is that?
Everyday references on a logarithmic scale, all expressed in fluid ounce (us) so you can sanity-check the result.
Other Fluid Ounce (US) to Milliliter conversions
Fluid Ounce (US) to Milliliter Conversion Table
| Fluid Ounce (US) (fl oz) | Milliliter (mL) |
|---|---|
| 0.5 | 14.786765 |
| 1 | 29.57353 |
| 2 | 59.147059 |
| 5 | 147.867648 |
| 10 | 295.735296 |
| 15 | 443.602943 |
| 20 | 591.470591 |
| 25 | 739.338239 |
| 50 | 1,478.676478 |
| 100 | 2,957.352956 |
| 250 | 7,393.382391 |
| 500 | 14,786.764781 |
| 1000 | 29,573.529563 |
Milliliter to Fluid Ounce (US) Conversion Table
| Milliliter (mL) | Fluid Ounce (US) (fl oz) |
|---|---|
| 0.5 | 0.016907 |
| 1 | 0.033814 |
| 2 | 0.067628 |
| 5 | 0.16907 |
| 10 | 0.33814 |
| 15 | 0.50721 |
| 20 | 0.67628 |
| 25 | 0.845351 |
| 50 | 1.690701 |
| 100 | 3.381402 |
| 250 | 8.453506 |
| 500 | 16.907011 |
| 1000 | 33.814023 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Fluid Ounce (US) (fl oz)
Volume
Derived from the cubic metre. The litre is exactly 10⁻³ m³; US and imperial capacity units are exact multiples fixed by statute.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
Milliliter (mL)
Volume
Derived from the cubic metre. The litre is exactly 10⁻³ m³; US and imperial capacity units are exact multiples fixed by statute.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
Standards and context behind Fluid Ounce (US) to Milliliter
- US fluid ounce
- 1/128 US gallon = 29.5735295625 mL.
- US nutrition labelling ounce
- FDA labelling rounds the fluid ounce to 30 mL, which is why pack figures differ slightly from exact conversion.
- Imperial fluid ounce
- 28.4130625 mL — smaller than the US one, unlike every other imperial/US volume pair.
How to Convert Fluid Ounce (US) to Milliliter
To convert from Fluid Ounce (US) (fl oz) to Milliliter (mL), multiply the value by 29.5735295625.
Formula: mL = fl oz × 29.5735295625
Reverse: fl oz = mL × 0.0338140227
Step-by-Step Example
- Start with your value in Fluid Ounce (US). For example: 5 fl oz
- Multiply by the conversion factor: 5 x 29.5735295625
- The result is: 147.867648 mL
About Fluid Ounce (US)
The US fluid ounce equals approximately 29.57 mL. It is commonly used for beverage and liquid measurements.
Common uses: beverages, cooking, cocktails.
About Milliliter
The milliliter equals one thousandth of a liter and is used for small liquid measurements.
Common uses: medicine dosage, cooking, chemistry.
Frequently Asked Questions
What is 3 Fluid Ounce (US) in Milliliter?
3 Fluid Ounce (US) equals 88.720589 Milliliter.
How many Milliliter are in 1 Fluid Ounce (US)?
There are exactly 29.5735295625 Milliliter in 1 Fluid Ounce (US). This means the conversion factor from Fluid Ounce (US) to Milliliter is 29.5735295625.
What is the formula to convert Fluid Ounce (US) to Milliliter?
The formula to convert Fluid Ounce (US) to Milliliter is: mL = fl oz × 29.5735295625. For example, to convert 10 Fluid Ounce (US) to Milliliter, you would multiply 10 by 29.5735295625.
What is a Fluid Ounce (US)?
The US fluid ounce equals approximately 29.57 mL. It is commonly used for beverage and liquid measurements.
What is a Milliliter?
The milliliter equals one thousandth of a liter and is used for small liquid measurements.
What are the common uses of Fluid Ounce (US)?
The Fluid Ounce (US) is commonly used in beverages, cooking, cocktails.
Why does my drink label say 30 mL per fl oz?
FDA nutrition labelling permits rounding the US fluid ounce to 30 mL. The exact value is 29.5735 mL.
Related Volume Conversions
Cite this page
UnitConvertLab. (2026). 3 Fluid Ounce (US) to Milliliter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/3-fluid_ounce_us-to-milliliter