Accurate US ounce to gram converter for American baking and cooking. Convert ounces to grams for US recipes, kitchen scales, and food labeling. Perfect for professional bakers and home cooks using US measurement standards.
Convert US ounces to grams using the official US customary standard conversion factor of 1 ounce = 28.349523125 grams. Perfect for American baking recipes, cooking measurements, and kitchen scales.
Accurate US ounce to gram converter for American baking and cooking. Convert ounces to grams for US recipes, kitchen scales, and food labeling. Perfect for professional bakers and home cooks using US measurement standards.
Convert US ounces to grams using the official US customary standard conversion factor of 1 ounce = 28.349523125 grams. Perfect for American baking recipes, cooking measurements, and kitchen scales.
High precision critical for professional baking and pastry work. Home baking can use whole grams for most ingredients, but precise measurements recommended for leavening agents and chocolate. Remember: 1 oz = 28.35g, 4 oz = 113.4g, 8 oz = 226.8g.
Common mistake: Confusing weight ounces with fluid ounces. Fluid ounces measure volume (for liquids), while ounces (avoirdupois) measure weight (for dry ingredients). Using the wrong unit can ruin baking recipes. Also, using metric cup (250mL) instead of US cup (236.59mL).
| Item | Ounces (oz) | Grams (g) |
|---|---|---|
| 1 oz chocolate | 1 | 28.35 |
| 1 oz butter | 1 | 28.35 |
| 1 cup flour | 4.5 | 127.6 |
| 1 cup sugar | 7 | 198.4 |
| 1 stick butter | 4 | 113.4 |
| 1 egg | 1.75 | 49.6 |
| 4 oz cream cheese | 4 | 113.4 |
| 8 oz sour cream | 8 | 226.8 |
1 US ounce equals approximately 28.35 grams. The exact conversion is 1 oz = 28.349523125 grams.
4 ounces of flour equals approximately 113.4 grams, which is about 1 cup of all-purpose flour.
8 ounces equals approximately 226.8 grams, which is 1 cup of water or 1 stick of butter.
No, fluid ounces measure volume while ounces measure weight. They are different units. 1 US fluid ounce = 29.57mL, 1 US weight ounce = 28.35g.
The official US customary standard defines 1 avoirdupois ounce as exactly 28.349523125 grams.
For casual cooking, 28 grams ≈ 1 ounce works fine. For baking and precision recipes, use the exact 28.35 grams.
Baking requires precise measurements. Using grams ensures consistency and better results than volume measurements, especially for American recipes.
This converter helps convert between US customary units (ounces, cups, tablespoons) and metric units (grams, milliliters) for American cooking and baking.
Last Updated: 2026 · Reviewed by the UnitFig editorial team