How much does a trombone in its case weigh?

The weight of a Trombone in its case can vary depending on the specific make and model of the trombone, as well as the materials used in the case. On average, a trombone in its case typically weighs between 10 to 20 pounds (4.5 to 9 kilograms). It is important to consider the weight of the case itself, as well as any additional accessories or attachments that may be included with the trombone.