An avoirdupois ounce equals 1/16 pound, or about 28.35 grams, common in US recipes.
Ounce to Milliliter
Convert 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.
Context values
Some unit families need one extra value for a physically accurate result.
The milliliter is one-thousandth of a liter, a standard metric unit of volume.
mL = oz × 28.34952313
Results update instantly for Ounce to Milliliter conversions.
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Formula
mL = oz × 28.34952313
oz = mL × 0.03527396195
Conversion table
| 1 oz | 28.349523 mL |
| 5 oz | 141.747616 mL |
| 10 oz | 283.495231 mL |
| 20 oz | 566.990463 mL |
| 50 oz | 1417.476156 mL |
| 100 oz | 2834.952313 mL |
| 500 oz | 14174.761562 mL |
| 1000 oz | 28349.523125 mL |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the ounce (oz). An avoirdupois ounce equals 1/16 pound, or about 28.35 grams, common in US recipes.
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 ounce to milliliter?
Multiply the ounce value by 28.34952313. For example, 10 oz × 28.34952313 = 283.495231 mL.
Is the 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 ounce?
Yes. Multiply the milliliter value by 0.03527396195 to get ounce.
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About this conversion
This page converts ounce (oz) to milliliter (mL) within the cooking converter.
An avoirdupois ounce equals 1/16 pound, or about 28.35 grams, common in US recipes. The milliliter is one-thousandth of a liter, a standard metric unit of volume.
The formula is mL = oz × 28.34952313, 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 ounce values already converted to milliliter.