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US fluid ounces to Millilitres

Convert US fluid ounces to millilitres instantly.

US fluid ounces to Millilitres (fl oz (US) to mL) Converter

1 US fluid ounce = 29.574 millilitres

1 fl oz (US) = 29.5735295625 mL (exact)
From
  • LitresL
  • US gallonsgal (US)
  • US fluid ouncesfl oz (US)
To
  • LitresL
  • MillilitresmL
  • US gallonsgal (US)

Permanent link to this conversion

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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)

Quick examples

1 US fluid ounce = 29.574 millilitres · 1 mL = 0.033814 fl oz (US)

  • 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

US fluid ounces to millilitres conversion table

US fluid ounce (fl oz (US)) to millilitre (mL)
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

About these units

US fluid ounce (fl oz (US))

US customary

1 fl oz (US) = 0.0000295735295625 m³ (exact)

Defined as exactly 1/128 US gallon = 29.5735295625 mL.

Source: NIST SP 811 / Handbook 44

Millilitre (mL)

metric (non-SI)

1 mL = 0.000001 m³ (exact)

Defined as exactly 1 cm³. Also written cc.

Source: BIPM SI Brochure (9th ed.)

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. Defined as exactly 1/128 US gallon = 29.5735295625 mL. US and UK units with the same name can differ, so check which one your source uses.

What is a US fluid ounce?

Defined as exactly 1/128 US gallon = 29.5735295625 mL.

What is a millilitre?

Defined as exactly 1 cm³. Also written cc.

Related conversions

Formula: mL = fl oz (US) × 29.57352956. Factors last reviewed 2026-10-27.