How long is a Hercules beetle?

Hercules beetles can reach impressive lengths, typically measuring between 4 to 7 inches (10 to 18 centimeters) long, with some exceptional individuals exceeding 8 inches (20 centimeters). Their size can vary based on species, with the most recognized being the Dynastes hercules. These beetles are known for their large horns and robust bodies, making them one of the largest beetle species in the world.