Where do I find the calorie content on dog food packaging?

Look for a metabolisable energy figure, usually given as kcal per 100g, in the small print alongside the guaranteed analysis on the back or side of the pack. Not every brand prints it as prominently as the protein and fat percentages, so you may need to look carefully.

Does higher fat content always mean more calories?

Generally yes, fat is the most calorie-dense part of a dog food and tends to drive calorie content up, but it's not an exact substitute for the actual printed kcal figure. Two foods with similar fat percentages can still differ in total calorie content.

Is high-calorie wet food good for weight gain in dogs?

It can help a genuinely underweight dog take in more energy without needing to eat a larger volume, but unexplained weight loss should be checked by a vet before changing food, since a food change alone doesn't address an underlying cause if one exists.

Should working dogs eat wet or dry food for extra calories?

Either can supply the calories a working dog needs, and many owners feed a working-dog dry formula alongside wet food rather than relying on wet food alone. What matters is the total calorie intake meeting the dog's actual energy output, not the format of the food.

Highest calorie wet dog food: how to actually find it

The way to find a genuinely high-calorie wet dog food is to read the kcal figure on the label, not the ingredients list or the marketing on the front of the pouch — it's the one number that tells you what a food actually delivers, and it varies more between products than most owners expect.

Where the calorie figure actually is

Every properly labelled dog food carries a metabolisable energy value, usually given as kcal per 100g and often also per can or pouch, somewhere in the small print on the back or side of the packaging — this is the figure that matters for comparing foods, not the guaranteed analysis of protein and fat percentages on their own. Two foods can have similar protein percentages and quite different calorie counts, because calories come from fat and carbohydrate content too, not protein alone.

Fat content is usually the biggest single driver of calorie density in wet food — a higher fat percentage generally means more calories per 100g, all else being similar. This is a useful shortcut for a rough comparison, but the printed kcal figure is always the accurate one to check rather than estimating from the fat percentage alone.

Reading a 'highest calorie' claim honestly

Any list or claim about 'highest calorie' foods is really a reading of what's printed on each label at a point in time, not a judgement about which food is best — a working dog burning a lot of energy and a sedentary older dog have completely different needs, and the 'highest calorie' food isn't automatically the right choice for either of them without that context. It's a useful way to narrow down a shortlist, not a health recommendation on its own.

It's also worth comparing like with like — a small 85g pouch and a large 400g can might have similar kcal per 100g but deliver very different total calories per meal, so the per-100g figure and the pack size both matter when you're actually working out what a dog will get from one feed.

Who actually needs a higher-calorie food

Working and sporting dogs with genuinely high energy output are the clearest case for seeking out a higher-calorie formula, since their daily energy needs can be substantially above a typical pet dog's. Dogs recovering from illness or surgery, or naturally lean dogs your vet is happy with, are other situations where a richer food makes sense.

For most dogs living an ordinary, moderately active life, a standard adult formula fed at the amount appropriate for their weight already meets their energy needs, and deliberately seeking out the highest-calorie option available isn't necessary and can contribute to unwanted weight gain. If you're unsure whether your dog's energy needs are unusually high, that's a good question to bring to a routine vet visit rather than guessing from a product label alone.

Forthglade Complete Adult Dog Grain Free Lamb & Veg: complete wet dog food with lamb 75% — 395G

£1.99

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Common questions

Where do I find the calorie content on dog food packaging?: Look for a metabolisable energy figure, usually given as kcal per 100g, in the small print alongside the guaranteed analysis on the back or side of the pack. Not every brand prints it as prominently as the protein and fat percentages, so you may need to look carefully.
Does higher fat content always mean more calories?: Generally yes, fat is the most calorie-dense part of a dog food and tends to drive calorie content up, but it's not an exact substitute for the actual printed kcal figure. Two foods with similar fat percentages can still differ in total calorie content.
Is high-calorie wet food good for weight gain in dogs?: It can help a genuinely underweight dog take in more energy without needing to eat a larger volume, but unexplained weight loss should be checked by a vet before changing food, since a food change alone doesn't address an underlying cause if one exists.
Should working dogs eat wet or dry food for extra calories?: Either can supply the calories a working dog needs, and many owners feed a working-dog dry formula alongside wet food rather than relying on wet food alone. What matters is the total calorie intake meeting the dog's actual energy output, not the format of the food.

Written by Matt Garnett, who runs Giddy Pets and is a lifelong pet owner — not a vet. This is general information, not veterinary advice, and it cannot replace an examination by the vet who knows your animal. How we write these guides.