Fluid Ounces to Grams Converter
One US fluid ounce of water weighs 29.57 grams, 1 fl oz of whole milk weighs 30.31 grams, and 1 fl oz of vegetable oil weighs 27.21 grams.
Use our interactive calculator below to perform instant conversions, inspect reference tables, and view worked formulas for precision baking.
Fluid Ounces to Grams Converter
Perform instant live conversions for fluid ounces to grams across 540+ baking ingredients.
Custom package weights override standard database densities for this session without altering official database records.
Mathematical Formula & Step-by-Step Example
Worked Step-by-Step Example
To convert 8 fl oz of heavy cream (density 29.80g/fl oz): 8 fl oz × 29.80g/fl oz = 238.4 grams.
Fluid Ounces to Grams Converter Reference Matrix
Fluid Ounces to Grams Converter pre-calculated values for common recipe amounts.
| Input Amount (fluid ounces) | Converted Result (grams) | Culinary Usage Note |
|---|---|---|
| 0.5 fl oz (1 tbsp) | 14.79g (Water) / 13.60g (Oil) | Standard kitchen recipe portion |
| 1 fl oz | 29.57g (Water) / 27.21g (Oil) | Standard kitchen recipe portion |
| 2 fl oz (¼ cup) | 59.15g (Water) / 54.42g (Oil) | Standard kitchen recipe portion |
| 3 fl oz | 88.72g (Water) / 81.62g (Oil) | Standard kitchen recipe portion |
| 4 fl oz (½ cup) | 118.29g (Water) / 108.83g (Oil) | Standard kitchen recipe portion |
| 5 fl oz | 147.87g (Water) / 136.04g (Oil) | Standard kitchen recipe portion |
| 6 fl oz (¾ cup) | 177.44g (Water) / 163.25g (Oil) | Standard kitchen recipe portion |
| 7 fl oz | 207.01g (Water) / 190.46g (Oil) | Standard kitchen recipe portion |
| 8 fl oz (1 cup) | 236.59g (Water) / 217.66g (Oil) | Standard kitchen recipe portion |
| 10 fl oz | 295.74g (Water) / 272.08g (Oil) | Standard kitchen recipe portion |
| 12 fl oz (1.5 cups) | 354.88g (Water) / 326.49g (Oil) | Standard kitchen recipe portion |
| 14 fl oz | 414.03g (Water) / 380.91g (Oil) | Standard kitchen recipe portion |
| 16 fl oz (1 pint) | 473.18g (Water) / 435.33g (Oil) | Standard kitchen recipe portion |
| 20 fl oz | 591.47g (Water) / 544.16g (Oil) | Standard kitchen recipe portion |
| 24 fl oz (1.5 pints) | 709.76g (Water) / 652.99g (Oil) | Standard kitchen recipe portion |
| 32 fl oz (1 quart) | 946.35g (Water) / 870.65g (Oil) | Standard kitchen recipe portion |
| 40 fl oz | 1182.94g (Water) / 1088.31g (Oil) | Standard kitchen recipe portion |
| 64 fl oz (½ gallon) | 1892.71g (Water) / 1741.30g (Oil) | Standard kitchen recipe portion |
| 80 fl oz | 2365.88g (Water) / 2176.62g (Oil) | Standard kitchen recipe portion |
| 128 fl oz (1 gallon) | 3785.41g (Water) / 3482.60g (Oil) | Standard kitchen recipe portion |
20-Ingredient Density Variance Comparison Table
Demonstrating how different ingredient densities change the volume and mass relationships for this conversion.
| Ingredient Name | Category | US Cup Density | Conversion Output |
|---|---|---|---|
| All-Purpose Flour | flours-and-starches | 125g / US Cup | 15.6g |
| Bread Flour | flours-and-starches | 130g / US Cup | 16.3g |
| Cake Flour | flours-and-starches | 115g / US Cup | 14.4g |
| Whole Wheat Flour | flours-and-starches | 120g / US Cup | 15.0g |
| Almond Flour | flours-and-starches | 112g / US Cup | 14.0g |
| Granulated Sugar | sugars-and-sweeteners | 200g / US Cup | 25.0g |
| Packed Brown Sugar | sugars-and-sweeteners | 220g / US Cup | 27.5g |
| Powdered Sugar (Confectioners) | sugars-and-sweeteners | 120g / US Cup | 15.0g |
| Butter (Softened / Sticks) | fats-and-oils | 227g / US Cup | 28.4g |
| Vegetable / Canola Oil | fats-and-oils | 218g / US Cup | 27.3g |
| Olive Oil | fats-and-oils | 216g / US Cup | 27.0g |
| Water (Pure / Filtered) | liquids | 237g / US Cup | 29.6g |
| Whole Milk (3.25%) | dairy-and-eggs | 245g / US Cup | 30.6g |
| Heavy Whipping Cream (36%) | dairy-and-eggs | 238g / US Cup | 29.8g |
| Rolled Oats (Old-Fashioned) | grains-and-rice | 90g / US Cup | 11.3g |
| Uncooked White Rice | grains-and-rice | 185g / US Cup | 23.1g |
| Unsweetened Cocoa Powder | chocolate-and-cocoa | 85g / US Cup | 10.6g |
| Honey | sugars-and-sweeteners | 340g / US Cup | 42.5g |
| Pure Maple Syrup | sugars-and-sweeteners | 322g / US Cup | 40.3g |
| Cornstarch (Corn Flour) | flours-and-starches | 112g / US Cup | 14.0g |
Understanding Fluid Ounces to Grams Converter in Professional Baking
Translating fluid ounces into grams lets you convert liquid volume recipe steps directly into digital scale measurements.
Because liquid measuring cups present meniscus reading challenges, weighing fluids in grams eliminates measurement variance across batches.
Our converter computes exact gram equivalents by multiplying fluid volume by specific gravity metrics for all 540+ food ingredients in our database.
Frequently Asked Questions
How many grams is 8 fluid ounces of water?
8 US fluid ounces of water (1 cup) weighs exactly 236.59 grams.
How many grams is 1 fluid ounce of honey?
One US fluid ounce of honey weighs approximately 42.5 grams due to its high sugar density.
Is 1 fl oz of water equal to 1 oz by weight?
Nearly. 1 US fl oz of water weighs 1.043 dry net weight ounces (29.57g), making them very close but mathematically distinct.
Why does 8 fl oz of oil weigh less than 8 fl oz of water?
Oil is less dense than water (0.92 g/ml vs 1.00 g/ml). Thus 8 fl oz of oil weighs 217.7g compared to 236.6g for water.
Related Culinary Calculators & Tools
Calculations on this page are strictly audited against official USDA bulk density metrics, NIST physical constants, and professional baking references. Reviewed by master bakers for culinary accuracy and kitchen scale safety.