Dogs and cats

How much wet food to feed

Wet food is mostly water, so the grams look large next to dry food. Here is how much a day, by weight, and how to split it when you mix wet and dry.

By the Hero Bowls teamUpdated 13 November 20263 min read

Key points
  • Wet food has about 110 kcal per 100 g for dogs and 87 kcal for cats, about a quarter of dry food.
  • Feed by calories, not by volume: the label figure for your food beats any chart.
  • Only "complete" wet food can be the whole diet. "Complementary" cans are toppers.
  • Mixing? Each 100 g of wet food replaces roughly 25 to 30 g of dry.
On this page
  1. Wet food for dogs
  2. Wet food for cats
  3. Mixing wet and dry
  4. Check and adjust
  5. Foods to consider
  6. Questions

Wet food for dogs

A neutered adult dog needs about 1.6 times its resting energy. At 110 kcal per 100 g (the middle of the complete wet foods we stock):

Dog's weightCalories a dayWet food a day375 g trays
5 kg374 kcal340 g0.9
10 kg630 kcal573 g1.5
15 kg854 kcal776 g2.1
20 kg1,059 kcal963 g2.6
30 kg1,436 kcal1,305 g3.5

For a large dog, wet food alone means a lot of trays. Most owners of big dogs use wet food as part of the meal.

Wet food for cats

A neutered adult cat needs about 1.2 times its resting energy. At 87 kcal per 100 g:

Cat's weightCalories a dayWet food a day85 g pouches
3 kg191 kcal221 g2.6
4 kg238 kcal274 g3.2
5 kg281 kcal324 g3.8
6 kg322 kcal371 g4.4

Wet food is a simple way to get more water into cats, many of whom drink little.

Mixing wet and dry

Decide the share of calories from each, then work out the grams. A common split is a quarter of the calories from wet food. Our wet vs dry guide has a calculator.

Check and adjust

Complete wet foods in our range

Questions

Is wet food enough on its own?

Yes, if the label says complete. Complementary foods lack some nutrients and should be mixed with a complete food.

How long can wet food stay in the bowl?

About 30 minutes at room temperature. Cover opened food and keep it in the fridge for up to 2 days.

Should I warm wet food?

Serving it at room temperature makes it smell stronger, which helps picky eaters. Never serve it hot.

This guide is general information for healthy pets, not veterinary advice. If your pet has a health condition, is pregnant, or is losing or gaining weight unexpectedly, talk to your vet.

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