On average, a grape weighs about 5 to 6 grams. However, the weight can vary depending on the variety of grape and its size.
For instance, smaller grape varieties, such as champagne grapes, may weigh closer to 3 grams, while larger varieties, such as Concord grapes, can weigh up to 9 grams or more. This variation is due to factors like growing conditions, water content, and the grape’s ripeness. Measuring the weight of grapes individually can provide a more accurate number for specific types, but generally speaking, you can expect an average weight of around 5 to 6 grams per grape.