US fluid ounces to Millilitres
1 US fluid ounce = 29.574 millilitres · 1 mL = 0.033814 fl oz (US)
1 US fluid ounce = 29.574 millilitres
How it’s calculated
mL = fl oz (US) × 29.57352956
- Multiply the value in US fluid ounces by 29.57352956.
- To go back, divide by 29.57352956 (or multiply by 0.0338140227).
- 1 fl oz (US) = 29.57352956 mL · 1 mL = 0.0338140227 fl oz (US)
Show worked solutionFactor, unit cancellation and rounding, step by step
Find the conversion factor
By definition 1 fl oz (US) = 0.0000295735295625 m³ and 1 mL = 0.000001 m³, so 1 fl oz (US) = 29.5735295625 mL. Source: NIST SP 811 / Handbook 44; BIPM SI Brochure (9th ed.).
Multiply by the factor written as a fraction
Put fl oz (US) in the denominator so it cancels, leaving mL.
Calculate (unrounded)
Round the answer
Rounded to 5 significant figures.
Answer: 29.574 mL
1 fl oz (US) in other units
Batch convert fl oz (US) → mL
- 1 fl oz (US) = 29.574 mL
- 5 fl oz (US) = 147.87 mL
- 10 fl oz (US) = 295.74 mL
- 25 fl oz (US) = 739.34 mL
Quick examples
- 1 US fluid ounce = 29.574 millilitres
- 5 US fluid ounces = 147.87 millilitres
- 10 US fluid ounces = 295.74 millilitres
- 25 US fluid ounces = 739.34 millilitres
- 100 US fluid ounces = 2,957.4 millilitres
About these units
US fluid ounce (fl oz (US))
US customary
Exactly 1/128 US gallon = 29.573 529 562 5 mL.
1 fl oz (US) = 0.00002957352956 m³
Source: NIST SP 811 / Handbook 44
Millilitre (mL)
metric (non-SI)
Exactly 1 cm³. Also written cc.
1 mL = 0.000001 m³
Source: BIPM SI Brochure (9th ed.)
US fluid ounces to millilitres conversion table
| US fluid ounces (fl oz (US)) | Millilitres (mL) |
|---|---|
| 0.1 fl oz (US) | 2.9574 mL |
| 0.5 fl oz (US) | 14.787 mL |
| 1 fl oz (US) | 29.574 mL |
| 2 fl oz (US) | 59.147 mL |
| 3 fl oz (US) | 88.721 mL |
| 4 fl oz (US) | 118.29 mL |
| 5 fl oz (US) | 147.87 mL |
| 6 fl oz (US) | 177.44 mL |
| 7 fl oz (US) | 207.01 mL |
| 8 fl oz (US) | 236.59 mL |
| 9 fl oz (US) | 266.16 mL |
| 10 fl oz (US) | 295.74 mL |
| 15 fl oz (US) | 443.6 mL |
| 20 fl oz (US) | 591.47 mL |
| 25 fl oz (US) | 739.34 mL |
| 30 fl oz (US) | 887.21 mL |
| 40 fl oz (US) | 1,182.9 mL |
| 50 fl oz (US) | 1,478.7 mL |
| 75 fl oz (US) | 2,218 mL |
| 100 fl oz (US) | 2,957.4 mL |
| 250 fl oz (US) | 7,393.4 mL |
| 500 fl oz (US) | 14,787 mL |
| 1,000 fl oz (US) | 29,574 mL |
Related conversions
Frequently asked questions
How do I convert US fluid ounces to millilitres?
Use mL = fl oz (US) × 29.57352956. Multiply the value in US fluid ounces by 29.57352956.
How many millilitres are in 1 US fluid ounce?
1 US fluid ounce (fl oz (US)) equals 29.574 millilitres (mL); more precisely 29.57352956.
How many US fluid ounces are in 1 millilitre?
1 millilitre (mL) equals 0.033814 US fluid ounces (fl oz (US)); more precisely 0.0338140227.
What is 10 fl oz (US) in mL?
10 US fluid ounces = 295.74 millilitres.
Is the US fluid ounce a US or a UK unit?
This converter uses the US customary US fluid ounce. Exactly 1/128 US gallon = 29.573 529 562 5 mL. US and UK units with the same name can differ, so check which one your source uses.
What is a US fluid ounce?
Exactly 1/128 US gallon = 29.573 529 562 5 mL.
What is a millilitre?
Exactly 1 cm³. Also written cc.
Formula: mL = fl oz (US) × 29.57352956. Factors last reviewed 2026-10-27.