CatCulateThe app that plans your cat's meals.
CatCulate builds every bowl — right portions, right nutrients — then checks what you fed and quietly fixes the next one.
Chiku: breakfast looked light — I added a little extra to dinner.
Meet Chiku. He does the worrying.
Missed a meal? Poured extra? Chiku notices, rebalances the day, and tells you only what matters.
Built careful. Never paywalled.
CatCulate handles daily nutrition. Your vet handles health. Always.
How much should your cat actually eat?
Get the vet-standard answer in seconds. Free, no signup, and the same math the CatCulate app uses.
Per day, pick one food for the whole day — not all three.
Adjust ±10% over a few weeks based on body shape.
How this number is worked out
The same math the CatCulate app runs. Resting energy: RER = 70 × (weight in kg)0.75. Adults: RER × activity (low 1.2, moderate 1.4, high 1.6, very high 1.8), × 0.8 if neutered, × 0.95 at 7–11 years. Body shape changes the weight portions are sized for: rounded cats are fed for an ideal weight about 12% lighter (very rounded 20%), lean cats about 10% heavier (very lean 15%). A gentle glide, never a crash diet. Kittens: RER × 2.5 up to 4 months, easing 0.15 a month to 1.3 by their first birthday. Portions divide calories by typical energy density: commercial wet food ~85 kcal / 100 g, kibble ~350, a home-cooked chicken-based bowl ~160.
This is one day, averaged. CatCulate does this every morning for your exact cat — then checks the taurine, moisture, and protein inside those calories, and fixes tomorrow's bowl.
Get the app*Guidance for a healthy cat, not veterinary advice. Cats with a diagnosed condition, kittens under 6 weeks, and pregnant or nursing cats need portions from their vet.
Your cat's next bowl is in a few hours. Get it right.
Free on Android · 2 minutes to set up