Here's a general idea:
* Western Lowland Gorillas: The most common type of gorilla, adult males can weigh between 140-200 kilograms (308-440 lbs). Females are typically smaller, weighing around 70-110 kilograms (154-242 lbs).
* Eastern Gorillas: These gorillas are generally larger than Western Lowland Gorillas. Adult males can weigh up to 220 kilograms (485 lbs), while females weigh around 90-120 kilograms (198-264 lbs).
* Mountain Gorillas: These gorillas are the largest, and adult males can reach 200 kilograms (440 lbs) or more. Females are slightly smaller, weighing around 100-130 kilograms (220-286 lbs).
Remember: These are just estimates. Individual gorillas can vary significantly in size.