Wet vs dry dog food: what the rubric actually rewards

Why the format barely matters to us

Every score we give a dog food is built from five sub-scores: Nutrition Fit, Brand Trust, Ingredient Clarity, Sensitivity Risk, and Value. Look down that list. You will not find a line that gives points for being wet, or one that gives points for being dry. What the five actually ask is whether the food meets a recognized nutritional standard, whether the company behind it has a credible track record, how clearly the label names what is inside, how the recipe lines up against common sensitivities, and what it costs to feed your dog. The package never comes up.

We did that on purpose. A can and a bag of kibble can both be well formulated, clearly labeled, and made by a company with a strong record. They can both be the opposite, too. Format is a packaging decision, not a verdict on quality, so we treat it like one. If you want to see exactly how the five dimensions are weighted, it is all laid out in our dog food methodology, and you will notice format never enters the math.

Where format does hit you: the price

There is one honest exception, and it comes down to water. Dry kibble is roughly 10 percent moisture. Canned food is roughly 75 to 78 percent moisture. So a big chunk of what you pay for in a can is, literally, water. That is fine for your dog, but it is expensive per unit of food energy. The same nutrition ends up costing far more per 1,000 kcal of metabolizable energy when it comes in a can than when it comes as kibble.

Because our Value sub-score is built on cost per 1,000 kcal, wet foods routinely score lower on Value even when their nutrition is perfectly fine. That is the honest way to show it, in our view. We are not docking you for choosing wet food. Convenience, palatability, and the extra hydration are all real reasons to reach for a can, and none of them are wrong. We just put the trade-off in the one place it actually lives instead of letting it quietly drag down the rest of the score.

How to compare a bag and a can fairly

The mistake almost everyone makes is reading the percentages straight off the two labels and calling it a day. The guaranteed analysis on a bag and a can are both reported "as fed," which means the canned numbers are watered down, literally, by all that moisture. A kibble showing 26 percent protein looks miles ahead of a canned food showing 9 percent. Convert both to a dry-matter basis, though, by stripping the water back out, and the gap often shrinks or disappears. So do that conversion before you compare protein, fat, or fiber. Skip it and you are mostly comparing water. The same goes for calorie density, since a cup of kibble and a can hold very different amounts of energy.

Protein is the number people argue about most, so it is the one worth checking carefully; our piece on how much protein a dog needs walks you through reading it without the marketing. And one myth is worth flagging on your way out: dry food is not a stand-in for dental care. The idea that kibble scrubs your dog's teeth is largely folklore, and the only dental signal we treat as tested is the VOHC seal, which we get into in our look at whether dental chews work. We keep that claim modest on purpose, because the evidence is.

So which should you buy

In our view, on our rubric, neither format is inherently better. A great dog food can come in a bag or a can, and so can a mediocre one. Your choice really comes down to a few practical things: your budget, your dog's hydration needs and tastes, and how much convenience matters to you. If your dog barely drinks or turns its nose up at kibble, wet food may suit it better. If you are watching the cost of every meal, you will probably lean dry. Either call is defensible, and our scores will tell you which specific products earn the pick.

The one thing we will not do is dress up a format preference as a medical recommendation. If your dog has a health condition, a weight problem, or a specific dietary need, that is a conversation for your veterinarian, who can actually examine the animal in front of them. Our job is to score what is on the label clearly enough that you walk into that conversation with a sharper question.

- The PetScored desk. If you want to go deeper, see how the five dimensions are weighted in the dog food methodology, or browse the foods we have scored, wet and dry alike, on the dog food hub.