Dog Food Calculator
How much should you feed your dog each day? Enter their weight, food type, and life stage for an accurate daily portion -- with a suggested meal schedule.
Why the Bag's Feeding Guide Is Often Wrong
Feeding guides on pet food bags are calculated for an average, intact adult dog at moderate activity. They do not account for neutered/spayed dogs (who need 15-25% less), senior dogs (who need 20% less), or highly active dogs. They also tend to recommend slightly more than necessary -- which sells more food.
Use this calculator as your baseline, then monitor your dog's body condition over 4-6 weeks. If ribs become hard to feel or the waist disappears, reduce by 10%. If ribs become too prominent, increase by 10%.
Calorie Density by Food Type
| Food type | Avg kcal/serving | Notes |
|---|---|---|
| Dry kibble (average) | 350 kcal/cup | Varies 280–420 by brand |
| Premium dry kibble | 450 kcal/cup | High-protein, grain-free formulas |
| Wet / canned food | 250 kcal/can (5.5 oz) | 70–80% moisture, fewer calories by volume |
| Raw food | 600 kcal/oz | Very calorie-dense -- small portions |
| Fresh cooked food | 200 kcal/oz | Lower density, higher volume |
Frequently Asked Questions
How often should I feed my dog?
Adult dogs do well on two meals per day (morning and evening). Puppies under 6 months should eat 3 times per day because their blood sugar can drop on longer fasts and their stomachs are smaller. Senior dogs generally stay on the two-meal schedule. Free-feeding (leaving food out all day) works for some dogs but makes weight management harder and can lead to obesity.
Is dry kibble or wet food better for dogs?
Neither is universally better -- it depends on your dog's age, health, and your budget. Dry kibble is calorie-dense, shelf-stable, and generally cheaper per serving. Wet food is more palatable, higher moisture content (good for hydration and urinary health), and often preferred by picky eaters. Many owners feed a combination. For dental health, dry food has a slight edge, but regular brushing matters more than food type.
How do I switch my dog to a new food?
Transition over 7-10 days to avoid digestive upset. Start with 75% old food / 25% new food for 3 days, then 50/50 for 3 days, then 25% old / 75% new for 3 days, then 100% new food. If your dog develops loose stools, slow the transition down. Some dogs with sensitive stomachs need a 2-3 week transition.
Is raw feeding safe for dogs?
Raw feeding (BARF or prey model) is controversial but practiced by many dog owners successfully. The main risks are bacterial contamination (Salmonella, Listeria) that can affect both the dog and humans handling the food, and nutritional imbalance if not properly formulated. If feeding raw, source from reputable suppliers, follow safe food handling, and have a veterinary nutritionist or vet confirm the diet is complete and balanced.
My dog is eating the right amount but still gaining weight. Why?
Several possibilities: the calorie density of your food is higher than the estimate used in this calculator (check the label), treats and scraps are adding significant calories, or your dog has a metabolic condition like hypothyroidism. Track treats as part of total daily calories (they should be no more than 10% of daily intake). If weight gain persists despite controlled feeding, have your vet check thyroid function.