Femur vs. Pelvis: Size Comparison & Anatomy

The pelvis is a large, bowl-shaped bone that forms the lower part of the trunk. The femur, also known as the thigh bone, is the longest and strongest bone in the human body. It connects the hip to the knee.

The pelvis is wider and larger than the femur. The average adult pelvis measures about 12 inches (30 centimeters) wide and 8 inches (20 centimeters) high. The average adult femur measures about 18 inches (45 centimeters) long.