Free Cat Food Calculator
This cat food calculator shows how much to feed a cat each day. Enter its weight and the calories on your food label.
Cat feeding chart: daily calories by weight
| Weight | kcal per day |
|---|---|
| 5 lb (2.3 kg) | 155 |
| 7 lb (3.2 kg) | 200 |
| 8 lb (3.6 kg) | 221 |
| 10 lb (4.5 kg) | 261 |
| 12 lb (5.4 kg) | 299 |
| 14 lb (6.4 kg) | 336 |
| 16 lb (7.3 kg) | 371 |
How much wet food to feed a cat
Grams per day of a wet food with 85 kcal per 100 g, a common value for pâté and chunks (check your label). A 3 oz can is 85 g.
| Cat weight | Wet food per day | 3 oz cans |
|---|---|---|
| 5 lb | 183 g | 2.1 |
| 7 lb | 235 g | 2.8 |
| 8 lb | 260 g | 3.1 |
| 10 lb | 307 g | 3.6 |
| 12 lb | 352 g | 4.1 |
| 14 lb | 395 g | 4.7 |
| 16 lb | 437 g | 5.1 |
How much to feed a kitten
Growing kittens need about 2.5 times their resting energy. Daily calories by current weight, split into 3–4 meals:
| Kitten weight now | kcal per day |
|---|---|
| 1 lb | 97 |
| 2 lb | 163 |
| 3 lb | 220 |
| 4 lb | 274 |
| 5 lb | 323 |
| 6 lb | 371 |
How the cat food calculator works
Resting energy requirement (RER) = 70 × (weight in kg)0.75. Daily energy = RER × a life stage factor:
- Adult, neutered or spayed: ×1.2
- Adult, not neutered: ×1.4
- Adult, inactive or prone to weight gain: ×1
- Weight loss (use ideal weight): ×0.8
- Kitten (growing): ×2.5
- Senior: ×1.1
- Very active: ×1.6
Factors are typical values. Cats that are pregnant, nursing, sick or overweight need a vet's plan. Related: cat age calculator. The same formula makes this a cat calorie calculator: the daily calories shown are your cat's estimated need.
Frequently asked questions
How does the cat food calculator work?
It works out daily calories from your cat's weight and life stage, then divides by the calories in your food to give cups (dry) or grams (wet or dry).
How much should I feed my cat?
A neutered adult cat needs about 1.2 times its resting energy (70 × kg^0.75) per day. A 10 lb cat needs roughly 260 kcal. Divide by the food's calories to get the amount, then adjust to keep a healthy weight.
How much wet food does a cat need?
Choose "per 100 g" and enter the food's kcal per 100 g to get grams per day. Wet foods are often 70–100 kcal per 100 g, so a 10 lb cat might eat about 300 g a day if fed wet food only.
Is this also a cat calorie calculator?
Yes. The big number is your cat's estimated calories per day, so you can use it as a cat calorie calculator for any food, treats included.
Can I mix wet and dry food?
Yes. Work out the daily calories, then split them between the foods so the two add up to the total.
How often should cats eat?
Two or more small meals a day suits most adult cats; kittens do best with three or four.