How to Convert Ounces to Grams
Converting ounces to grams is done by multiplying the weight in ounces by 28.3495. This converter uses the avoirdupois ounce, which is the standard ounce used in the United States for food, cooking, postal weight, and general everyday measurements. One avoirdupois ounce equals exactly 28.349523125 grams.
This conversion is particularly useful for cooking and baking, where many international recipes list ingredient weights in grams while American recipes use ounces. Precise weight measurements are especially important in baking, where small differences can significantly affect the texture and rise of baked goods. Using a kitchen scale and converting between ounces and grams helps achieve consistent results.
The reference table below includes common baking and cooking weights with helpful notes identifying quarter-pound, half-pound, and full-pound equivalents. Note that 16 ounces equals one pound (453.59 grams), which is another frequently used conversion in the kitchen and at the grocery store.