Ounces to Grams Converter

One avoirdupois ounce equals exactly 28.349523125 grams. For most cooking and everyday purposes, rounding to 28.35 g per ounce is accurate enough.

Multiply the number of ounces by 28.3495. For example, 5 oz × 28.3495 = 141.75 g. To convert grams to ounces, divide grams by 28.3495.

No. A fluid ounce (fl oz) measures volume, while an avoirdupois ounce (oz) measures weight. One fluid ounce of water weighs approximately 1.043 avoirdupois ounces (29.57 g). This converter handles weight ounces only.

An avoirdupois ounce (the common everyday ounce) equals 28.3495 g. A troy ounce, used for precious metals like gold and silver, equals 31.1035 g — about 10% heavier. This tool converts avoirdupois ounces.

Use the same formula: multiply ounces by 28.35. Common baking conversions:

• 4 oz (1 stick of butter) = 113.4 g
• 8 oz (1 cup of flour, approximate) = 226.8 g
• 16 oz (1 pound) = 453.6 g

For precision baking, always use a kitchen scale.

Grams provide more precision at small quantities. Measuring 7 g of baking powder is more accurate than measuring 0.25 oz. Most professional bakers and international recipes use grams because metric weights are easier to scale and reproduce consistently.

100 grams equals approximately 3.527 ounces. To convert grams to ounces, divide the gram value by 28.3495.

Yes. Nutrition labels use avoirdupois ounces and grams, which is exactly what this converter handles. The conversion factor (1 oz = 28.3495 g) matches the standard used by the FDA and international food labeling authorities.

Yes. All conversions run locally in your browser using JavaScript. No data is sent to any server. When you refresh the page, your inputs are cleared completely.