Volume converter
US Fluid Ounces to Milliliters
If you need to know how many Milliliters one US Fluid Ounces contains, the answer is 29.57353. The conversion is linear, so 10 fl oz is 295.735296 mL and 100 fl oz is 2,957.35 mL. Use the converter for any other value.
Formula 1 fl oz = 29.57353 mL
Need the other direction? Milliliters to US Fluid Ounces.
How to convert US Fluid Ounces to Milliliters
The US fluid ounce is about 29.57 millilitres; the imperial fluid ounce is about 28.41 millilitres. The millilitre is one thousandth of a litre and is the usual unit for liquids in cooking and medicine.
To convert US Fluid Ounces to Milliliters, multiply the value in fl oz by 29.57353. For example, 10 fl oz × 29.57353 = 295.735296 mL. This works because the ratio between the two units is constant for every value in volume.
Worked examples
| fl oz | mL |
|---|---|
| 1 fl oz | 29.57353 mL |
| 2.5 fl oz | 73.933824 mL |
| 5 fl oz | 147.867648 mL |
| 10 fl oz | 295.735296 mL |
| 25 fl oz | 739.338239 mL |
| 50 fl oz | 1,478.68 mL |
| 100 fl oz | 2,957.35 mL |
Reverse conversion
| mL | fl oz |
|---|---|
| 1 mL | 0.03381402 fl oz |
| 5 mL | 0.16907011 fl oz |
| 10 mL | 0.33814023 fl oz |
| 25 mL | 0.84535057 fl oz |
| 50 mL | 1.690701 fl oz |
| 100 mL | 3.381402 fl oz |
When this conversion is useful
This is the calculation you need when you are cooking, dosing a liquid or planning a shipment and the units do not match. Because the factor is fixed, you can use the same number for a single measurement or for a batch: 1,000 fl oz is 29,573.53 mL.
Is the conversion exact?
Yes for practical use: the factors come from international definitions, with rounding applied only for display.
Reference: BIPM SI Brochure and NIST SP 811. Last reviewed: 2026-11-01.
fl oz to mL conversion chart
The chart lists the most requested values. For a value that is not here, use the converter at the top of the page.
| US Fluid Ounces (fl oz) | Milliliters (mL) |
|---|---|
| 1 fl oz | 29.57353 mL |
| 2 fl oz | 59.147059 mL |
| 3 fl oz | 88.720589 mL |
| 4 fl oz | 118.294118 mL |
| 5 fl oz | 147.867648 mL |
| 6 fl oz | 177.441177 mL |
| 7 fl oz | 207.014707 mL |
| 8 fl oz | 236.588237 mL |
| 9 fl oz | 266.161766 mL |
| 10 fl oz | 295.735296 mL |
| 11 fl oz | 325.308825 mL |
| 12 fl oz | 354.882355 mL |
| 13 fl oz | 384.455884 mL |
| 14 fl oz | 414.029414 mL |
| 15 fl oz | 443.602943 mL |
| 16 fl oz | 473.176473 mL |
| 17 fl oz | 502.750003 mL |
| 18 fl oz | 532.323532 mL |
| 19 fl oz | 561.897062 mL |
| 20 fl oz | 591.470591 mL |
| 21 fl oz | 621.044121 mL |
| 22 fl oz | 650.61765 mL |
| 23 fl oz | 680.19118 mL |
| 24 fl oz | 709.76471 mL |
| 25 fl oz | 739.338239 mL |
| 26 fl oz | 768.911769 mL |
| 27 fl oz | 798.485298 mL |
| 28 fl oz | 828.058828 mL |
| 29 fl oz | 857.632357 mL |
| 30 fl oz | 887.205887 mL |
| 31 fl oz | 916.779416 mL |
| 32 fl oz | 946.352946 mL |
| 33 fl oz | 975.926476 mL |
| 34 fl oz | 1,005.5 mL |
| 35 fl oz | 1,035.07 mL |
| 36 fl oz | 1,064.65 mL |
| 37 fl oz | 1,094.22 mL |
| 38 fl oz | 1,123.79 mL |
| 39 fl oz | 1,153.37 mL |
| 40 fl oz | 1,182.94 mL |
| 41 fl oz | 1,212.51 mL |
| 42 fl oz | 1,242.09 mL |
| 43 fl oz | 1,271.66 mL |
| 44 fl oz | 1,301.24 mL |
| 45 fl oz | 1,330.81 mL |
| 46 fl oz | 1,360.38 mL |
| 47 fl oz | 1,389.96 mL |
| 48 fl oz | 1,419.53 mL |
| 49 fl oz | 1,449.1 mL |
| 50 fl oz | 1,478.68 mL |
| 60 fl oz | 1,774.41 mL |
| 70 fl oz | 2,070.15 mL |
| 80 fl oz | 2,365.88 mL |
| 90 fl oz | 2,661.62 mL |
| 100 fl oz | 2,957.35 mL |
Frequently asked questions
How many Milliliters are in 1 US Fluid Ounces?
1 fl oz equals 29.57353 mL.
How do I convert US Fluid Ounces to Milliliters?
Multiply the fl oz value by 29.57353. Example: 25 fl oz = 739.338239 mL.
What is 2.5 fl oz in mL?
2.5 fl oz = 73.933824 mL.
Is the fl oz to mL conversion exact?
Yes for practical use: the factors come from international definitions, with rounding applied only for display.
Does the calculator work offline?
Yes. The conversion runs in your browser with JavaScript, so it works after the page has loaded, even without a connection.