Calculate Daily Calorie Need for your Cat to be healthy Enter your cat's weight in kilograms: Select your cat's activity level: Sedentary (little to no activity) Moderate (regular activity) Active (highly active) Enter your cat's current Body Condition Score (BCS):Go here and calculate BCS for your Cat Enter your cat's desired Body Condition Score (BCS):Best BCS is for healthy Cat is 5 Calculate Calories Go here to Calculate ideal weight for your Cat Note: If your cat is in the overweight or obesity category, you need to have your cat do these exercises to reach its ideal weight.