So, we can see that the answer for converting 1 oz to g is: 1 Ounce equals 28.349523 Grams . See also: 1 Gram to Ounces. Convert 1 oz to g. How many g in an oz? Our free converter quickly and accurately converts 1 Ounce to Grams, offering reliable results and calculations. How to convert Ounces to Grams How to convert Ounces ( oz ) to Grams (g). How to convert Ounces to Grams 1 ounce ( oz ) is equal to 28.34952 grams (g). 1 oz = 28.34952 g The mass m in grams (g) is equal to the mass m in ounces ( oz ) times 28.34952: m(g) = m( oz ) × 28.34952 Example Convert 5 oz to grams : m(g) = 5 oz × 28.34952 = 141.7476 g Ounces to ... Convert ounces to grams (oz to g) with the weight conversion calculator, and learn the ounce to gram formula. How do I convert ounces to grams? To convert ounces to grams, you need to know that 1 ounce is equal to approximately 28.35 grams . This conversion factor allows you to easily convert between the two units. For example, if you have 5 ounces, you would multiply 5 by 28.35 to get 141.75 grams.