Approximately eight inches is the width of a normal notebook or printer sheet. This length is also equal to two-thirds of a foot-long ruler.
Eight inches is equal to 203.20 millimetres or 20.320 cm in metric measurements. The screen height of the majority of tablet computers is approximately eight inches, however many varieties are one or two inches taller or shorter. Eight inches is equivalent to two “hands,” where a hand is a conventional unit of measurement for measuring the height of a horse, based on the average width of a human hand. Up to eight-inch-long fossilised teeth belonging to the predatory dinosaur Tyrannosaurus Rex have been discovered.