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How big can an adult male tiger grow?

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A Bengal tiger with orange fur and black stripes lies on the ground, facing forward with its front legs crossed. — tiger The forests of West Bengal are inhabited by the endangered Bengal tiger (*Panthera tigris tigris*).

The size of an adult male tiger varies significantly depending on the subspecies, as these mammals have adapted to different environments across their range.12

The Siberian tiger (also known as the Amur tiger) is the largest subspecies. The largest males can reach lengths of up to 3.7 meters (12.1 feet), including the tail, and weigh as much as 423 kg (about 933 pounds). Some sources note that they can reach a total length of up to 4 meters (13 feet) and weigh up to 300 kg (660 pounds), reflecting the variation in recorded measurements.3415

The Bengal tiger, which is the second-largest subspecies, typically grows to about 3.2 meters (10.5 feet) in length and can weigh nearly 295 kg (about 650 pounds).36

Generally, tigers from northern regions are larger than those from the south, an adaptation that helps them conserve heat in colder climates.35