Purina Dog Food Feeding Calculator
Short answer
Purina adult formulas run roughly 380–475 kcal per cup depending on the line. This calculator is pre-set to about 400 kcal/cup as a starting point — check the calories on your specific Purina bag and adjust the field for an exact cups-per-day figure.
Calories per cup is on your food’s bag (usually 300–500 kcal/cup). Adjust it for an accurate cups-per-day figure.
Your dog needs about 794 calories a day, roughly 2 cups.
Daily calories
794 kcal
Cups per day
2
Resting need (RER)
496 kcal
Per meal (×2)
1 cups
Each meal
1 cups (397 kcal) × 2 meals a day
Based on 400 kcal per cup — check your food’s label and adjust above.
Estimate only, from the RER = 70 × kg^0.75 formula with a life-stage factor. Confirm the right amount with your veterinarian and adjust to your dog’s body condition.
Consult your vet
These figures are planning estimates from the standard RER/MER formula and are not a substitute for veterinary advice. Your dog’s real needs depend on breed, body condition, health, and the specific food. Confirm the right amount with your veterinarian and adjust based on your dog’s body condition over time.
Related
Frequently asked questions
How much Purina should I feed my dog?
Calculate your dog’s daily calories (RER × life-stage factor), then divide by your Purina food’s calories per cup — roughly 400 kcal/cup for many adult formulas. Always confirm the number on your bag, as it varies by product.
How many calories are in a cup of Purina?
It depends on the formula: many Purina Pro Plan and Dog Chow adult kibbles fall around 380–475 kcal per cup. The exact figure is printed on the bag under the feeding guide.