A US fluid ounce is 1/128 of a US gallon, equal to about 29.57 milliliters.
Fluid ounce to Gram
Convert Fluid ounce to Gram 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 gram is one-thousandth of a kilogram, a standard metric unit of mass.
g = fl oz × 29.57352956
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Formula
g = fl oz × 29.57352956
fl oz = g × 0.0338140227
Conversion table
| 1 fl oz | 29.57353 g |
| 5 fl oz | 147.867648 g |
| 10 fl oz | 295.735296 g |
| 20 fl oz | 591.470591 g |
| 50 fl oz | 1478.676478 g |
| 100 fl oz | 2957.352956 g |
| 500 fl oz | 14786.764781 g |
| 1000 fl oz | 29573.529562 g |
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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 gram (g). The gram is one-thousandth of a kilogram, a standard metric unit of mass.
How do I convert fluid ounce to gram?
Multiply the fluid ounce value by 29.57352956. For example, 10 fl oz × 29.57352956 = 295.735296 g.
Is the fluid ounce to gram 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 gram back to fluid ounce?
Yes. Multiply the gram value by 0.0338140227 to get fluid ounce.
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About this conversion
This page converts fluid ounce (fl oz) to gram (g) within the cooking converter.
A US fluid ounce is 1/128 of a US gallon, equal to about 29.57 milliliters. The gram is one-thousandth of a kilogram, a standard metric unit of mass.
The formula is g = 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 gram.