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Volume conversion

US fluid ounce to Millilitre

One us fluid ounce is 29.57353 millilitres. Enter any value below to convert it instantly, or use the reference table further down for the numbers you need most often.

1 fl oz = 29.57353 mlInstantFree

Conversion rate

1 fl oz = 29.57353 ml

ml = fl oz × 29.57353

Result29.57353

1 fl oz = 29.57353 ml

1 fl oz in every volume unit
ml29.57353
L0.029574
0.000029574
tsp6
tbsp2
fl oz1
cup0.125
pt0.0625
qt0.03125
gal0.0078125
gal (UK)0.0065053

Reference

US fluid ounce to Millilitre table

The values people look up most often, rounded for practical use.

US fluid ounce (fl oz)Millilitre (ml)
1 fl oz29.57353 ml
2 fl oz59.14706 ml
3 fl oz88.72059 ml
5 fl oz147.868 ml
10 fl oz295.735 ml
15 fl oz443.603 ml
20 fl oz591.471 ml
25 fl oz739.338 ml
50 fl oz1,478.676 ml
100 fl oz2,957.353 ml
250 fl oz7,393.382 ml
500 fl oz14,786.765 ml
1,000 fl oz29,573.53 ml

How to convert fluid ounces to millilitres

Multiply the number of fluid ounces by 29.57353. That is the whole calculation: ml = fl oz × 29.57353. To go back the other way, divide instead, or multiply by 0.033814.

Worked example: 12 fluid ounces × 29.57353 = 354.882 millilitres.

Where this conversion comes up

Volume conversions are mostly a cooking problem, and there is a trap: US and imperial measures share names but differ in size. A US pint is 473 ml, an imperial pint is 568 ml. The units here are US measures unless labelled otherwise.

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Answers

Frequently asked questions

One us fluid ounce equals 29.57353 millilitres. Going the other way, one millilitre is 0.033814 fluid ounces.

Use ml = fl oz × 29.57353. The converter above applies it for you, but the formula is useful in a spreadsheet — put your value in column A and the formula in column B.

The underlying factor is the exact internationally defined value. Results are rounded for readability, so very long decimals are trimmed — but the calculation itself carries full double precision.

Yes — press the ⇄ swap button in the converter, or use the dedicated Millilitre to US fluid ounce page.

No. The converter runs entirely in your browser, there is no account, and nothing you type is sent anywhere.

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