How to use it
- Enter your cat's current weight and pick the correct unit.
- Choose the closest age or reproductive stage.
- Use the result as the calorie budget for food splitting, not as a one-food portion.
Cat Calorie Calculator
Estimate a cat's daily calorie target from weight, age, neuter status, activity, and feeding goal.
When to double-check
- Kittens, pregnant cats, and lactating cats can need frequent adjustments.
- Weight is changing quickly, appetite is unusual, or body condition is unclear.
- You need advice for a medical condition or prescription food.
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Frequently Asked Questions
How many calories does a cat need per day?
It depends on their weight, life stage (kitten, adult, senior), neuter status, and activity level. A typical 4.5kg (10lb) neutered adult indoor cat needs around 200-220 kcal per day. Use this calculator to find the perfect starting point for your cat.
Why does neuter status affect a cat's calorie target?
Neutering or spaying lowers a cat's metabolic rate by about 20-30% and often decreases physical activity. Therefore, neutered cats require significantly fewer calories than intact cats to maintain a healthy weight.
How do I calculate calories for a growing kitten?
Kittens have extremely high energy demands to support rapid bone and muscle growth. A young kitten under 4 months may need 2 to 3 times the calories of an adult cat of the same weight. Their caloric needs change weekly, so update their weight in this calculator frequently.
What should I do if my cat is overweight?
If your cat needs to lose weight, select 'Gradual weight loss' in the Goal Mode. This will safely reduce their daily calorie target by roughly 20%. Always consult your vet before starting a weight loss plan to ensure it's safe and gradual (losing 1-2% of body weight per week).
This site provides estimates and planning tools only. It does not replace veterinary advice, diagnosis, or treatment.