Ounces to Grams Converter
Convert imperial ounces (oz) to metric grams (g) instantly. A precise tool for international recipes, culinary measurements, postal calculations, and light shipping.
Grams (g)
The Precision of Grams
Ounces are an imperial unit used mainly in the US for moderate weights (food, mail, small parcels). Grams are the metric system standard, offering much higher resolution for scientific and baking applications where precision is critical.
What is an Ounce?
The avoirdupois ounce is exactly 28.349523125 grams. It is used specifically for dry goods. 16 ounces equal one pound.
What is a Gram?
A gram is the fundamental metric unit of mass. 1,000 grams equal one kilogram, approximately the mass of one liter of water.
Conversion Formula
Exact Multiplier
g = oz × 28.3495
Multiply ounces by 28.35 for quick estimating in the kitchen. For a rough mental note, think of an ounce as roughly 30g.
Ounces to Grams Quick Reference
Ounces (oz) Grams (g) 1 oz 28.35 g 2 oz 56.70 g 8 oz (1/2 lb) 226.80 g 16 oz (1 lb) 453.59 g 35.27 oz 1,000 g (1 kg) Culinary Reference & Common Portions
Ingredient / Portion Imperial (oz) Metric (g) Standard snack serving 1 oz 28.35 g Quarter pounder patty 4 oz 113.40 g Small yogurt container 6 oz 170.10 g Standard 1/2 lb steak 8 oz 226.80 g Dry pasta (1 serving) 2 oz 56.70 g Standard box of pasta 12 oz 340.19 g 1 lb Butter/Flour 16 oz 453.59 g Cooking Weight FAQ