Feline BMI is as cute as your cat, but it is powered by a simple yet reliable assessments of body fat content in cats based on the actual formula of Feline Body Mass Index (FBMI). Understand your cat's BMI will help you to better identify cats at risk of obesity-related conditions, as well as providing a tool with which to monitor the effects of dietary and exercise programmes on body fat content. Apart from serious stuff, measuring your cat is fun too! This formula only works on common household cats but may not be accurate for Munchkin cat breed. (Cat doodles courtesy of @koekoecrunch)