What length do adult American Roaches reach?

Adult American cockroaches typically reach a length of about 1.5 inches. This size can vary slightly, but generally, they are recognized as one of the larger species of cockroaches commonly found in the United States. Understanding the typical dimensions of these pests is crucial for identification and pest control measures. While some other cockroach species might be smaller, the American cockroach's notable size can help in promptly identifying an infestation within a household or commercial property.