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Volume

mLtofl oz (US)

Convert millilitres (mL) to US fluid ounces (fl oz (US)).

Factor1 mL = 0.03381402 fl oz (US)

Converter

mL

Accepts numbers or expressions, e.g. 150 + 14.7

Result
1.01442fl oz (US)

Rendered to 6 significant figures.

Formula

Formula
fl oz (US) = mL × 0.03381402

Multiply any value in millilitres by 0.03381402 to obtain the value in US fluid ounces.

Worked example

Convert 30 mL to fl oz (US).

  1. 01Start with 30 mL.
  2. 02Multiply by the conversion factor: 30 × 0.03381402 = 1.01442 fl oz (US).
Result30 mL = 1.01442 fl oz (US)

Conversion table

mLfl oz (US)
10.033814
20.067628
50.16907
100.33814
200.67628
501.6907
1003.3814
2006.7628
50016.907
100033.814

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from mL to fl oz (US)?
1 mL equals 0.03381402 fl oz (US). To convert, multiply the value in millilitres by 0.03381402.
How do I convert 1 mL to fl oz (US)?
1 mL = 0.033814 fl oz (US). For any value, multiply by 0.03381402.
How do I convert fl oz (US) back to mL?
Divide by the same factor — or equivalently, multiply by 29.57353. So 1 fl oz (US) = 29.5735 mL.
When would I need to convert millilitre to US fluid ounce?
Volume conversions are used for tank sizing, batch calculations, and bridging between vendor specs (gallons, barrels, ft³) and process documentation (m³, litres).
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).

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