How many bullets can hold a 47 caliber?

The term "47 caliber" is not standard in firearms terminology, as calibers are typically measured in either inches or millimeters. If you meant a specific firearm that uses a .47 caliber round, please clarify the model. Generally, the number of bullets a magazine can hold depends on the design of the firearm and magazine capacity, which can vary widely among different models. For instance, typical semi-automatic pistols or rifles may hold anywhere from 5 to 30 rounds or more, depending on their design.