Kittens (under 12 months) grow rapidly and need a high-calorie, complete kitten food to support development. For the calculator, choose "Active" and "Maintain" to approximate a growing kitten's needs.
The 10% treat rule still applies. For most kittens that's only 10–25 kcal of treats per day — often just 3–6 small training treats.
Use treats designed for kittens or tiny pieces of plain cooked chicken. Avoid cow's milk (most cats are lactose intolerant) and never give onions, garlic, chocolate, or raw fish.