Convert Millilitre to US Fluid Ounce

1 millilitre = 0.03381402 us fluid ounce (US fl oz). For example, 10 millilitre = 0.3381402 us fluid ounce and 100 millilitre = 3.381402 us fluid ounce. Type any value below to convert millilitre to us fluid ounce both ways — it runs entirely in your browser.

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Quick answer: Millilitre to US Fluid Ounce

1 Millilitre = 0.03381402US Fluid Ounce (mL → US fl oz). To convert millilitre to us fluid ounce, multiply by 0.03381402. To convert us fluid ounce to millilitre, multiply by 29.57353. The converter at the top does this instantly and both ways; the sections below give the formula, worked examples, a full conversion chart and answers to the most common millilitre-to-us fluid ounce questions.

How to convert Millilitre to US Fluid Ounce

To convert millilitre to us fluid ounce, multiply the number of millilitre by the conversion factor 0.03381402, because 1 mL = 0.03381402US fl oz. The conversion is linear, so the same factor works for any value — whole numbers, decimals or fractions. For the reverse direction, 1 US fl oz = 29.57353mL, so you divide by 0.03381402 (or multiply by 29.57353) to turn us fluid ounce back into millilitre.

US fl oz = mL × 0.03381402  ·  mL = US fl oz × 29.57353

  1. Write down the value you want to convert, in millilitre.
  2. Multiply it by 0.03381402.
  3. The result is the same area/length/quantity expressed in us fluid ounce.

Millilitre to US Fluid Ounce — worked examples

Each row shows the exact arithmetic so you can follow the conversion step by step. For example, 5millilitre is 0.1690701us fluid ounce because 5 mL × 0.03381402 = 0.1690701 US fl oz.

MillilitreCalculationUS Fluid Ounce
1mL1 mL × 0.03381402 = 0.03381402 US fl oz0.03381402US fl oz
2mL2 mL × 0.03381402 = 0.06762805 US fl oz0.06762805US fl oz
3mL3 mL × 0.03381402 = 0.1014421 US fl oz0.1014421US fl oz
5mL5 mL × 0.03381402 = 0.1690701 US fl oz0.1690701US fl oz
7mL7 mL × 0.03381402 = 0.2366982 US fl oz0.2366982US fl oz
10mL10 mL × 0.03381402 = 0.3381402 US fl oz0.3381402US fl oz
12mL12 mL × 0.03381402 = 0.4057683 US fl oz0.4057683US fl oz
15mL15 mL × 0.03381402 = 0.5072103 US fl oz0.5072103US fl oz
20mL20 mL × 0.03381402 = 0.6762805 US fl oz0.6762805US fl oz
25mL25 mL × 0.03381402 = 0.8453506 US fl oz0.8453506US fl oz
50mL50 mL × 0.03381402 = 1.690701 US fl oz1.690701US fl oz
100mL100 mL × 0.03381402 = 3.381402 US fl oz3.381402US fl oz

Common Millilitre to US Fluid Ounce conversions

These are the millilitre-to-us fluid ounce values people look up most often. Every figure is computed from the exact factor, so you can rely on them for quick reference:

  • 1 millilitre = 0.03381402 us fluid ounce
  • 2 millilitre = 0.06762805 us fluid ounce
  • 2.5 millilitre = 0.08453506 us fluid ounce
  • 3 millilitre = 0.1014421 us fluid ounce
  • 4 millilitre = 0.1352561 us fluid ounce
  • 5 millilitre = 0.1690701 us fluid ounce
  • 6 millilitre = 0.2028841 us fluid ounce
  • 7 millilitre = 0.2366982 us fluid ounce
  • 8 millilitre = 0.2705122 us fluid ounce
  • 9 millilitre = 0.3043262 us fluid ounce
  • 10 millilitre = 0.3381402 us fluid ounce
  • 12 millilitre = 0.4057683 us fluid ounce
  • 15 millilitre = 0.5072103 us fluid ounce
  • 20 millilitre = 0.6762805 us fluid ounce
  • 25 millilitre = 0.8453506 us fluid ounce
  • 30 millilitre = 1.014421 us fluid ounce
  • 50 millilitre = 1.690701 us fluid ounce
  • 75 millilitre = 2.536052 us fluid ounce
  • 100 millilitre = 3.381402 us fluid ounce
  • 200 millilitre = 6.762805 us fluid ounce
  • 500 millilitre = 16.90701 us fluid ounce
  • 1000 millilitre = 33.81402 us fluid ounce

Millilitre to US Fluid Ounce conversion chart (both directions)

The chart below converts millilitre to us fluid ounce and us fluid ounce to millilitre side by side, so it works whichever way you need. 1 millilitre = 0.03381402us fluid ounce, and 1 us fluid ounce = 29.57353millilitre.

Millilitre → US Fluid OunceUS Fluid Ounce → Millilitre
0.25mL = 0.008453506US fl oz0.25US fl oz = 7.393382mL
0.5mL = 0.01690701US fl oz0.5US fl oz = 14.78676mL
1mL = 0.03381402US fl oz1US fl oz = 29.57353mL
2mL = 0.06762805US fl oz2US fl oz = 59.14706mL
3mL = 0.1014421US fl oz3US fl oz = 88.72059mL
4mL = 0.1352561US fl oz4US fl oz = 118.2941mL
5mL = 0.1690701US fl oz5US fl oz = 147.8676mL
6mL = 0.2028841US fl oz6US fl oz = 177.4412mL
7mL = 0.2366982US fl oz7US fl oz = 207.0147mL
8mL = 0.2705122US fl oz8US fl oz = 236.5882mL
9mL = 0.3043262US fl oz9US fl oz = 266.1618mL
10mL = 0.3381402US fl oz10US fl oz = 295.7353mL
12mL = 0.4057683US fl oz12US fl oz = 354.8824mL
15mL = 0.5072103US fl oz15US fl oz = 443.6029mL
20mL = 0.6762805US fl oz20US fl oz = 591.4706mL
25mL = 0.8453506US fl oz25US fl oz = 739.3382mL
30mL = 1.014421US fl oz30US fl oz = 887.2059mL
40mL = 1.352561US fl oz40US fl oz = 1,182.941mL
50mL = 1.690701US fl oz50US fl oz = 1,478.676mL
75mL = 2.536052US fl oz75US fl oz = 2,218.015mL
100mL = 3.381402US fl oz100US fl oz = 2,957.353mL
150mL = 5.072103US fl oz150US fl oz = 4,436.029mL
200mL = 6.762805US fl oz200US fl oz = 5,914.706mL
250mL = 8.453506US fl oz250US fl oz = 7,393.382mL
500mL = 16.90701US fl oz500US fl oz = 14,786.76mL
1000mL = 33.81402US fl oz1000US fl oz = 29,573.53mL

Millilitre vs US Fluid Ounce: which is bigger?

1 mL1 US fl oz
Relative size of 1 Millilitre (mL) and 1 US Fluid Ounce (US fl oz).

A us fluid ounce is the larger unit: one us fluid ounce equals 29.57353 millilitres. Put another way, you need 29.57353 millilitres to make a single us fluid ounce.

What is a Millilitre? History, origin and usage

The millilitre is the litre scaled by the metric prefix milli- (Latin mille, a thousandth), so it inherits the litre's origin in the 1795 French metric reforms. Because the litre was defined in relation to the metre, the millilitre became exactly one cubic centimetre when the litre was tied to the cubic decimetre. It has been part of the coherent metric vocabulary ever since the SI prefixes were standardised.

The millilitre is the workhorse small-volume unit almost everywhere outside the United States: medicine doses, syringes and IV bags, drink and food nutrition labels, perfume and cosmetics, and home cooking. Laboratories and pharmacies use it constantly for measuring liquids. In medicine the equivalent term cubic centimetre (cc) is still heard, especially for syringes.

One millilitre is identical in volume to one cubic centimetre, because a litre is exactly one cubic decimetre. A standard metric teaspoon is taken as five millilitres, which is why liquid-medicine dosing cups are graduated in millilitres rather than spoons.

What is a US Fluid Ounce? History, origin and usage

The US fluid ounce is one sixteenth of a US pint and one one-hundred-twenty-eighth of the US gallon, deriving from the Queen Anne wine gallon kept by the United States. It is the liquid cousin of the avoirdupois ounce of weight, the shared name reflecting their common medieval origin.

The US fluid ounce labels American drink containers, spirits pours, baby-bottle volumes and many recipe ingredients. It is the small liquid unit Americans use before stepping up to cups and pints.

The US fluid ounce is slightly larger than the imperial fluid ounce, by about four percent, because the two systems define their pints and gallons differently. A US fluid ounce of water weighs a little more than one avoirdupois ounce.

Convert 1 Millilitre to other units

It can help to see a millilitre next to the other units it is commonly compared with. One millilitre (mL) is equal to:

1 Millilitre equalsUnit
0.1cLCentilitre
0.001LLitre
0.000001m³Cubic Metre
1cm³Cubic Centimetre
0.06102374in³Cubic Inch
0.00003531467ft³Cubic Foot
0.0002641721US galUS Gallon
0.0002641721galUS Gallon
0.001056688US qtUS Quart
0.001056688qtUS Quart
0.002113376US ptUS Pint
0.002113376ptUS Pint
0.03381402US fl ozUS Fluid Ounce
0.03381402fl ozUS Fluid Ounce
0.03519508imp fl ozImperial Fluid Ounce
0.06762805tbspUS Tablespoon
0.2028841tspUS Teaspoon
0.008453506giUS Gill
0.00002837759buUS Bushel
0.000006289811bblOil Barrel
1,000µLMicrolitre
0.004226753US cupUS Cup
0.03381402US fl ozUS Fluid Ounce

Convert 1 US Fluid Ounce to other units

One us fluid ounce (US fl oz) is equal to:

1 US Fluid Ounce equalsUnit
29.57353mLMillilitre
2.957353cLCentilitre
0.02957353LLitre
0.00002957353m³Cubic Metre
29.57353cm³Cubic Centimetre
1.804688in³Cubic Inch
0.001044379ft³Cubic Foot
0.0078125US galUS Gallon
0.0078125galUS Gallon
0.03125US qtUS Quart
0.03125qtUS Quart
0.0625US ptUS Pint
0.0625ptUS Pint
1fl ozUS Fluid Ounce
1.040843imp fl ozImperial Fluid Ounce
2tbspUS Tablespoon
6tspUS Teaspoon
0.25giUS Gill
0.0008392256buUS Bushel
0.0001860119bblOil Barrel
29,573.53µLMicrolitre
0.125US cupUS Cup
1US fl ozUS Fluid Ounce

Tips for converting Millilitre to US Fluid Ounce

  • To go from millilitre to us fluid ounce, multiply by 0.03381402; to go back, divide by 0.03381402 (or multiply by 29.57353).
  • For a quick mental estimate, remember that 1 millilitre ≈ 0.03381402 us fluid ounce, so 10 millilitre ≈ 0.3381402 us fluid ounce.
  • The converter above keeps full precision; the tables round for readability, so use the tool for exact figures.
  • Both fields update live as you type — change either side to convert in that direction.

How to use this Millilitre to US Fluid Ounce converter

Type a number into the Millilitre field and the equivalent in US Fluid Ounce appears instantly — there is no “convert” button to press and nothing is sent to a server, so it works offline once the page has loaded and is safe for any data. You can also type into the US Fluid Ounce field to convert the other way (us fluid ounce to millilitre). Use the swap control to flip the two units, and copy the result with a single click. Because the calculation runs in your browser with full floating-point precision, the converter is more exact than the rounded figures shown in the reference chart above — use the chart for quick look-ups and the tool for precise work.

Accuracy and method

Every figure on this page — the formula, the worked examples, the conversion chart and the “convert to other units” tables — is computed from a single verified conversion factor (1 mL = 0.03381402US fl oz), never copied from a hand-typed lookup table that could drift. That factor is derived from each unit’s definition in terms of a common base unit, and an automated check re-verifies all of the site’s factors on every update, so the numbers here stay correct over time. This matters for millilitre-to-us fluid ounce conversions because a small rounding error in a published table compounds quickly at larger quantities; computing from the exact factor avoids that.

Watch the system: a <strong>US</strong> gallon, quart, pint and fluid ounce are <strong>not</strong> the same size as the <strong>imperial (UK)</strong> ones — a US gallon is 3.785 L while an imperial gallon is 4.546 L, and a US fluid ounce (29.57 mL) is slightly larger than an imperial fluid ounce (28.41 mL). The units on this page are labelled US or Imperial so the result is unambiguous.

Frequently asked questions

How many us fluid ounce are in 1 millilitre?
1 millilitre = 0.03381402 us fluid ounce (US fl oz). To convert any number of millilitre to us fluid ounce, multiply by 0.03381402.
How do I convert millilitre to us fluid ounce?
Multiply the number of millilitre by 0.03381402. For example, 10 millilitre = 10 × 0.03381402 = 0.3381402 us fluid ounce, and 25 millilitre = 0.8453506 us fluid ounce.
How many millilitre are in 1 us fluid ounce?
1 us fluid ounce = 29.57353 millilitre. So to convert us fluid ounce back to millilitre, multiply by 29.57353.
What is the formula to convert millilitre to us fluid ounce?
us fluid ounce = millilitre × 0.03381402. The reverse formula is millilitre = us fluid ounce × 29.57353.
How much is 100 millilitre in us fluid ounce?
100 millilitre = 3.381402 us fluid ounce. (And 1000 millilitre = 33.81402 us fluid ounce.)
Which is bigger, a millilitre or a us fluid ounce?
A us fluid ounce is larger: 1 us fluid ounce = 29.57353 millilitre.
Is this millilitre to us fluid ounce converter accurate?
Yes — every value is computed from the exact 0.03381402 US fl oz per mL factor (not rounded look-up tables), and the factors are re-verified automatically on every update.
Can I convert us fluid ounce to millilitre too?
Yes. The converter works both ways — enter a value in either field. 1 us fluid ounce = 29.57353 millilitre.

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