Fits perfectly in a Footlong Christmas stocking. You couldn't ask for a better fit. This ruler totally rules. It has centimeters. It ha inches. It's got not one but two straight edges. This ruler totally rules. And it's got a location. When she asks "Where's my ruler?" We yell back "It's in your Christmas stocking. A win-win for the entire family. NB We yell because we are never in the same room when we ask questions in our family.