How many grams are in a 12 ounce serving? You can find the answer using a conversion formula, table or an ounces-to-grams conversion calculator. To convert an ounce into grams, multiply 0.0029394968291317 times the ounce’s weight by the gram’s mass. This will give you a result of approximately 348 grams. These conversion factors are not accurate for all purposes.
The ounce is the primary unit for measuring the weight of fabrics in North America and Asia. However, ounces are no longer a legal unit of measurement in the UK. They are still widely used informally, for example in restaurant portion sizes. To properly measure the food’s weight, regardless of where they came from, you must know how many grams are contained in each 12 oz.