Every calculator uses veterinary-standard formulas. All data stays in your browser — we never see it.
Calculate daily calorie needs using RER/MER formulas. Input weight, age, activity, and spay/neuter status for a precise target.
Log weight over time, view trend charts, and export reports. Spot problems before your next vet visit.
See how many treats your cat can have per day without exceeding their calorie budget. Compare treat types.
Interactive 1-9 BCS visual guide. Score your cat at home using the WSAVA look-feel-look protocol.
Generate a personalized meal schedule based on your cat's calorie needs and your daily routine.
Compare calorie density, protein, and fat across wet food, dry food, and raw diets side by side.
Assess your senior cat's (11+) nutritional needs. Adjusted calorie targets for aging metabolism.
Track your kitten's weight against veterinary growth curves from birth to 12 months. Spot red flags early.
Month 1: lost 1 pound. Month 2: lost 0.8. Month 3: nothing. Month 4: gained 0.2. The plateau is real. Here is what actually works.
That innocent treat jar on your counter might be adding 30% more calories than you think. Learn the math behind treat calories and how to budget them ...
The WSAVA 1-9 scale explained for home use. No scale needed.
One cat is 8 pounds. The other is 14. They share a bowl. The 14-pounder eats everything. The 8-pounder waits. This is a problem.
Most cats are chronically dehydrated. Here's how to calculate exactly how much water your cat needs.
The raw feeding community loves percentages. 80% meat, 10% bone, 10% organ. But calories? Nobody talks about calories.