How tall is a five year old boy?

The height of a five-year-old boy can vary widely, but on average, he typically stands between 39 to 45 inches tall (about 99 to 114 cm). Factors such as genetics, nutrition, and overall health can influence individual height. It's important to remember that growth patterns can differ significantly from one child to another. For a more precise assessment, consulting growth charts or a pediatrician can be helpful.