🐾 Independent · Vet-standard formula · Works with any food

Dog Feeding Calculator

How many cups of food does your dog actually need? Enter their details and your food's calorie info for an exact daily feeding plan.

Spayed / Neutered
✓ Vet-standard RER/MER formula
✓ Works with any brand of food
✓ Free forever, no sign-up
cups per day
🥣 Per Meal
🍖 Meals Per Day
🔥 Daily Calories
⚡ Calories Per Meal

How Much Should You Feed Your Dog?

The answer depends on your dog's size, age, and activity level, but also on the specific food you're using. A calorie-dense kibble at 500 kcal/cup requires far less volume than a lighter food at 300 kcal/cup. That's why "2 cups per day" advice on the back of the bag is so unreliable. It doesn't account for your individual dog.

This calculator combines your dog's personalized calorie needs with the specific calorie content of your food to give you an exact daily amount in cups.

Why Bag Feeding Guides Are Often Wrong

Pet food manufacturers provide general feeding ranges on their packaging, but these tend to overestimate portions. They don't account for spay/neuter status, exact activity level, or metabolic differences between breeds. An independent calculation like ours gives you a more accurate starting point, and then you adjust based on your dog's body condition over time.

How to Weigh and Measure Food

A kitchen scale is more accurate than a measuring cup. If you use cups, level them off. Don't heap. And remember: a "cup" of kibble can vary by 15 to 20% depending on the kibble size and how it settles. For the most consistent portions, weigh your food in grams.

Accounting for Treats

If your dog gets regular treats, subtract those calories from their food portions. Veterinarians recommend that treats make up no more than 10% of daily calories. For a dog eating 1,000 calories per day, that's a 100-calorie treat budget, roughly 3 to 4 small commercial dog treats or one medium dental chew.

Frequently Asked Questions

It depends on your dog's size, age, and activity level, plus your food's calorie content. A 50-pound neutered adult dog eating 380 kcal/cup food typically needs about 3 cups per day. Use the calculator above with your specific food for an accurate answer.
The bag guidelines are a starting point, but they often overestimate and don't account for your dog's specific factors like spay/neuter status and exact activity level. An independent calculation like ours gives you a more accurate starting point. Then adjust based on your dog's body condition over time.
The quickest check is the rib test: place both hands flat against your dog's ribcage with thumbs on the spine. You should feel individual ribs through a thin layer of padding. If you need to press firmly, your dog is carrying extra weight. Beyond ribs, check for a visible hourglass waist when looking down from above and a clear belly tuck from the side. Weigh your dog monthly on the same scale at the same time of day. If weight trends up over 2-3 weigh-ins, reduce portions by 10% and reassess in two weeks.
Absolutely; many owners add a can of wet food to their dog's kibble for palatability and variety. The only rule is that total daily calories stay the same. If your dog needs 1,000 calories per day and you add a 250-calorie can of wet food, reduce the kibble to 750 calories worth. Use our calorie calculator for the baseline target, then split it across food types however works for your dog. Some owners feed dry in the morning and wet in the evening.

Last reviewed: April 1, 2026