The maths, with your numbers
No guesswork and no brand chart. This is the same calculation a vet does on paper, so you can check it.
What this means for the bowl
Felix Doubly Delicious Salmon & Vegetables is on the lighter side: at 3,670 kcal per kg it has less energy than 95% of the 20 dry cat foods in our list, so the bowl will look fuller for the same calories.
To show how much the food matters: a 4.5 kg spayed or neutered cat needs about 260 kcal a day. That is 71 g of this food, but 61 g of Purina Pro Plan Kitten Healthy Start Chicken and 73 g of Hill's Science Plan Sterilised Adult with Chicken. Same cat, same day, very different scoops.
Felix Doubly Delicious Salmon & Vegetables feeding chart
Daily amounts for healthy adult cats with no treats, from the label calories and the AAHA 2021 energy factors. Split the amount into meals.
| Weight | Lazy indoor | Spayed or neutered | Intact |
|---|---|---|---|
| 2 kg | 32 g | 38 g | 45 g |
| 3 kg | 43 g | 52 g | 61 g |
| 4 kg | 54 g | 65 g | 76 g |
| 5 kg | 64 g | 77 g | 89 g |
| 6 kg | 73 g | 88 g | 102 g |
| 7 kg | 82 g | 99 g | 115 g |
Label values: 3,670 kcal per kg. Source: purina.co.uk, checked 18 Oct 2026.
Questions
How much Felix Doubly Delicious Salmon & Vegetables should I feed a 5 kg cat?
About 77 g a day for a spayed or neutered cat, before treats. That is 281 kcal a day divided by the food’s label value. Use the calculator above to adjust for your pet.
How many calories are in Felix Doubly Delicious Salmon & Vegetables?
The label states 3,670 kcal per kg (checked 18 Oct 2026). Recipes change, so check your bag.
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