How much does a 5x7 picture and envelope weigh?

A typical 5x7 photo print weighs around 0.4 to 0.5 ounces, while a standard envelope for that size picture adds approximately 0.5 ounces. Therefore, the total weight of a 5x7 picture and envelope combined is roughly 0.9 to 1 ounce. This can vary slightly depending on the thickness of the paper and the envelope material.