FL OZ to Grams Converter
Precise fluid ounces to grams for any substance
0 grams
Conversion Formula
Grams = fluid ounces × 29.5735 × density (g/mL)
- Enter fl oz volume.
- Select substance density or input custom value.
- Multiply: volume by 29.5735 mL/fl oz, then by density.
Reverse: fl oz = grams / (29.5735 × density)
Common Conversions Table
| Fl Oz | Water | Milk | Cooking Oil | Flour | Sugar |
|---|---|---|---|---|---|
| 1 | 29.57 g | 30.46 g | 26.02 g | 15.64 g | 20.85 g |
| 2 | 59.15 g | 60.92 g | 52.05 g | 31.29 g | 41.70 g |
| 4 | 118.29 g | 121.84 g | 104.10 g | 62.58 g | 83.40 g |
| 8 | 236.59 g | 243.69 g | 208.20 g | 125.16 g | 166.79 g |
| 16 | 473.18 g | 487.37 g | 416.40 g | 250.31 g | 333.59 g |
| 32 | 946.35 g | 974.74 g | 832.79 g | 500.62 g | 667.18 g |
Visual Density Comparison
1 fl oz volume equals these weights:
Water: 29.57 g
Milk: 30.46 g
Oil: 26.02 g
Flour: 15.64 g
Regional Notes
US fluid ounce (29.5735 mL) differs from UK/imperial (28.4131 mL). US recipes often list fl oz; metric countries use grams/ml directly. Adjust density for accuracy in international baking.
FAQ
How many grams in 1 fl oz water?
29.57 grams for water at standard density.
Why does density matter for fl oz to g?
Same volume weighs different by substance; water = 1 g/mL baseline.
US vs UK fl oz difference?
US: 29.5735 mL; UK: 28.4131 mL; use presets for US.
Convert 8 fl oz milk to grams?
243.69 grams using 1.03 g/mL density.
Custom density example?
For alcohol (0.79 g/mL), 5 fl oz = 117.2 g.
Fl oz for dry ingredients?
Volume-based; weigh for precision as densities vary.
Reverse grams to fl oz?
Swap units, enter grams, select density.
Accuracy for recipes?
Scales best; this provides reliable estimates.
References
- ConvertUnits.com, “Convert fl oz to gram”, accessed December 2025.
- InchCalculator.com, “Fluid Ounces to Grams Converter”, accessed December 2025.
- OmniCalculator.com, “Ounces to Grams Converter”, accessed December 2025.