How much does a alto saxophone way?

The weight of an alto saxophone can vary depending on the brand, model, and material used. On average, an alto saxophone made of brass weighs around 2.27 kilograms (5 pounds). However, some models can be heavier or lighter. For example, a student model alto saxophone may weigh around 2 kilograms (4.4 pounds), while a professional model may weigh up to 2.5 kilograms (5.5 pounds).