A US fluid ounce is 1/128 of a US gallon, equal to about 29.57 milliliters.
Fluid ounce to Milliliter
Convert Fluid ounce to Milliliter instantly. Free online cooking unit converter with exact formula, conversion table and FAQ.
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Convert cooking volume and mass units used in recipes and nutrition workflows.
The milliliter is one-thousandth of a liter, a standard metric unit of volume.
mL = fl oz × 29.57352956
Results update instantly for Fluid ounce to Milliliter conversions.
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Formula
mL = fl oz × 29.57352956
fl oz = mL × 0.0338140227
Conversion table
| 1 fl oz | 29.57353 mL |
| 5 fl oz | 147.867648 mL |
| 10 fl oz | 295.735296 mL |
| 20 fl oz | 591.470591 mL |
| 50 fl oz | 1478.676478 mL |
| 100 fl oz | 2957.352956 mL |
| 500 fl oz | 14786.764781 mL |
| 1000 fl oz | 29573.529562 mL |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the fluid ounce (fl oz). A US fluid ounce is 1/128 of a US gallon, equal to about 29.57 milliliters.
What is the destination unit in this conversion?
The destination unit is the milliliter (mL). The milliliter is one-thousandth of a liter, a standard metric unit of volume.
How do I convert fluid ounce to milliliter?
Multiply the fluid ounce value by 29.57352956. For example, 10 fl oz × 29.57352956 = 295.735296 mL.
Is the fluid ounce to milliliter conversion exact?
Yes. This conversion uses a fixed factor defined for cooking measurement standards, so results are consistent every time.
Where is this conversion commonly used?
It's used when following recipes, adjusting ingredient quantities, or converting between US customary and metric cooking measurements.
Can I convert milliliter back to fluid ounce?
Yes. Multiply the milliliter value by 0.0338140227 to get fluid ounce.
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About this conversion
This page converts fluid ounce (fl oz) to milliliter (mL) within the cooking converter.
A US fluid ounce is 1/128 of a US gallon, equal to about 29.57 milliliters. The milliliter is one-thousandth of a liter, a standard metric unit of volume.
The formula is mL = fl oz × 29.57352956, based on each unit's fixed relationship to the cooking converter's reference units.
Results are consistent because the conversion relies on a fixed numerical ratio rather than an estimate.
Use the calculator above for instant results, or the table below for common fluid ounce values already converted to milliliter.