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How much to feed a 20 lb cat
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439 kcal/day
Neutered adult cat, 20 lb (9.1 kg) · ≈ 1.16 cups dry or 4.6 cans wet
Daily food for a 20 lb cat
| Life stage | Calories | Dry (380 kcal/cup) | Wet (3 oz, 95 kcal) |
|---|---|---|---|
| Neutered adult | 439 kcal | 1.16 cups | 4.6 cans |
| Intact adult | 512 kcal | 1.35 cups | 5.4 cans |
| Weight loss (at target weight) | 293 kcal | 0.77 cups | 3.1 cans |
| Kitten (4–12 months) | 915 kcal | 2.41 cups | 9.6 cans |
| Senior, inactive | 402 kcal | 1.06 cups | 4.2 cans |
Split into 2–3 meals. Mixing wet and dry? Halve each amount. Treats should stay under 10% of calories.
FAQ
How much should a 20 lb cat eat?
A neutered adult 20 lb cat needs about 439 kcal a day – roughly 1.16 cups of a 380 kcal/cup dry food or 4.6 3-oz cans of wet food (≈95 kcal each).
How was this calculated?
Resting energy requirement = 70 × kg^0.75 = 366 kcal for 9.1 kg, multiplied by a life-stage factor. Always check the calorie figure on your food’s label and ask your vet, especially for overweight cats.
Other weights
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