5'11" vs 6'11": how big is the difference?

6'11" (210.8 cm) is 12 inches (30.5 cm) taller than 5'11" (180.3 cm), about 16.9% taller.

A 12-inch gap is obvious: the shorter person’s eyes are around the taller person’s chin or mouth level.

5'11"6'11"
cm180.3210.8
Taller than men (world)91%99+%
Taller than women (world)99+%99+%

Is 5'11" tall? · Is 6'11" tall? · Height difference chart