Banana For Scale is an internet phenomenon used to illustrate the size of an object in a photo. The joke originated in 2005 on a blog where a man used a banana to show the size of a hidden safe, but it truly went viral on Reddit and Imgur around 2013. Because bananas vary slightly in size, using them as a universal measuring tool is inherently absurd and hilarious. Today, the meme serves as a staple of internet culture, often appearing in product photos or bizarre sightings to mock traditional units of measurement or simply to provide a relatable reference point.