When fans of mega-popular anime series like Naruto watch all the episodes and familiarize themselves with the lore and combat system, the next step is to have fun exploring all the fluff details. Casual Naruto fans might not care that much about everyone's favorite foods or height/weight, but devoted fans may be curious about these personal details that help make Naruto's main characters feel more real. There's more to Naruto Uzumaki and his friends than their cool outfits and jutsu, after all.
Source:https://www.cbr.com/how-tall-are-the-naruto-characters/