Cat Calorie Calculator
Use our Cat Calorie Calculator to work out how many calories your cat needs each day, based on weight, age, activity level, and any health goals.
Recommended Calories
Daily Amount
— kcal
Per Meal
— kcal
Important Disclaimer
This calculator provides general calorie guidelines based on standard veterinary energy-requirement formulas. Individual cats may need more or less depending on metabolism, breed, muscle mass, and health conditions. Always check in with your veterinarian before making a big change to your cat's diet, especially if they have an existing health condition.
How To Use The Calorie Calculator
- Select your preferred unit system
- Enter your cat's weight
- Choose their age group
- Select their activity level
- Note any health considerations, like an ongoing weight loss or weight gain goal
- Set your preferred feeding frequency
- Review the recommended daily and per-meal calorie amounts
Tips For Managing Your Cat's Calories
- Weigh, don't eyeball: A kitchen scale is far more accurate than a measuring cup, especially with calorie-dense dry food.
- Treats count too: Treats and table scraps add to the daily total. As a rule of thumb, keep treats under 10% of daily calories.
- Recalculate after spay or neuter: Calorie needs typically drop once a cat is fixed, so it's worth running the numbers again a few weeks after surgery.
- Reassess every few months: Weight, activity, and life stage shift over time, so revisit this calculator if your cat's routine changes.
- Multi-cat households: Calculate each cat separately. A shared bowl makes it hard to know who's actually eating what.
- Watch body condition, not just the scale: If you can't feel your cat's ribs easily, or they're very easy to feel, it may be time to adjust the numbers up or down.
Frequently Asked Questions
How many calories does an average cat need per day? Most healthy adult indoor cats need somewhere between 200 and 300 kcal per day, depending on weight and activity level. Larger or more active cats can need more.
Do kittens need more calories than adults? Yes, significantly more relative to their size. A growing kitten can need more than double the calories per pound of body weight compared to an adult cat.
How does neutering affect calorie needs? Neutered cats generally need fewer calories than intact cats of the same weight, since their metabolism slows down somewhat after the procedure. This calculator's "Activity Level" and "Health Considerations" fields can be adjusted to account for that.
Do treats count towards my cat's daily calories? Yes. Treats, table scraps, and anything besides plain water add to the daily total, and should be factored into the calorie budget rather than added on top of it.
How often should I recalculate my cat's calorie needs? Every few months, or any time your cat's weight, activity level, or life stage changes, such as after spaying or neutering, moving from kitten to adult, or entering their senior years.
What if my cat is overweight or underweight? Select the matching option under "Health Considerations" for an adjusted estimate, but treat that as a starting point. A structured weight plan is safest when set up with your vet, especially for weight loss, since cutting calories too fast can cause health problems in cats