How Much to Feed My Dog Calculator
Not sure how much to feed my dog each day? Enter a weight, life stage, and how many meals you serve, and this tool splits the daily amount into simple per-meal cups.
How much to feed my dog

How much to feed my dog, step by step
The honest answer to how much to feed my dog starts with calories, not cups. First estimate resting energy: RER = 70 x (weight in kg)^0.75. Then multiply by a life-stage factor - about 1.6 for adults, 1.4 for seniors, and 2.0 to 3.0 for puppies - to get daily calories.
To turn that into cups, this tool divides the daily calories by roughly 350 kcal per cup, a typical dry-food density, then splits the result across your chosen number of meals. Always confirm the real figure on your food's bag.
How many meals a day?
Puppies from about 8 weeks to 4 months usually eat three to four meals a day, dropping to three from four to six months, then to two meals by six months and through adulthood. As the American Kennel Club explains, scheduled meals beat free-feeding for growing dogs.
Getting the portion right
Use body condition as your guide: you should feel the ribs easily and see a waist from above. Treats should stay under about 10 percent of daily calories, a limit the AKC treat guideline spells out, and you should reduce meals slightly to make room for them.
Weigh your dog every few weeks and adjust. Pregnancy, illness, and very high activity all shift needs, so treat this as a starting point and check with your veterinarian for anything unusual.
Reading your dog food label
The single most useful number on any bag is calories per cup, usually printed as kcal/cup near the feeding chart. That figure lets you convert a calorie target into an accurate scoop, and it varies widely between brands and formulas.
Manufacturer feeding charts on the bag tend to suggest generous portions, so treat them as a ceiling rather than a target. If the chart's range spans several cups, start near the lower end for a less active dog and adjust based on body condition over a few weeks.
Keep fresh water available at all times, and remember that wet food is far less calorie-dense per cup than dry, so mixing the two changes the totals.
Frequently asked questions
How much should I feed my dog each day?
Estimate daily calories from weight and life stage, then divide by your food's kcal per cup. A 30-pound adult needs about 2.3 cups of a typical 350 kcal/cup food.
How much to feed my dog per meal?
Take the daily cups and divide by the number of meals. For 2.3 cups a day over two meals, that is roughly 1.1 cups per meal.
How many times a day should a dog eat?
Most adult dogs do well on two meals a day. Puppies usually need three to four smaller meals to fuel steady growth.
Does the food brand change how much to feed my dog?
Yes. Foods vary in calories per cup, so a richer food means fewer cups. Always check the kcal-per-cup figure on the label.
Should puppies eat more than adults?
Yes, relative to their weight. Growing puppies use a higher calorie multiplier - roughly two to three times resting needs - to support development.
When should I ask my vet about feeding?
If your dog is over- or underweight, pregnant, very active, or managing a health condition, your veterinarian can set a precise calorie target.
Want the calorie-first view with adjustable food density? Try the dog food calculator, or browse all pet calculators.
