The maths, with your numbers
No guesswork and no brand chart. This is the same calculation a vet does on paper, so you can check it.
What this means for the bowl
Purina Pro Plan Large Robust Puppy Healthy Start Chicken is one of the more calorie-dense dry dog foods we track: at 3,820 kcal per kg it has more energy than 71% of the 46 dry dog foods in our list. You will pour less of it than you might expect.
To show how much the food matters: a 7 kg puppy needs about 602 kcal a day. That is 158 g of this food, but 146 g of Purina Pro Plan Small and Mini Puppy Healthy Start Chicken and 184 g of Bakers Meaty Meals Chicken. Same dog, same day, very different scoops.
This food is made for puppies that will be big dogs. Large breeds should grow at a steady pace, so keep your puppy lean. Puppies need about three times their resting energy until 4 months, then about twice. Weigh weekly, because the portion changes as they grow.
Purina Pro Plan Large Robust Puppy Healthy Start Chicken feeding chart
Daily amounts for growing puppys with no treats, from the label calories and the AAHA 2021 energy factors. Split the amount into meals.
| Weight | Under 4 months | 4 months and older |
|---|---|---|
| 1 kg | 55 g | 37 g |
| 2 kg | 92 g | 62 g |
| 5 kg | 184 g | 123 g |
| 7 kg | 237 g | 158 g |
| 10 kg | 309 g | 206 g |
| 15 kg | 419 g | 279 g |
| 20 kg | 520 g | 347 g |
| 25 kg | 615 g | 410 g |
Label values: 3,820 kcal per kg. Source: purina.co.uk, checked 18 Oct 2026.
Questions
How much Purina Pro Plan Large Robust Puppy Healthy Start Chicken should I feed a 10 kg puppy?
About 206 g a day for a puppy aged 4 months or more, before treats. That is 787 kcal a day divided by the food’s label value. Use the calculator above to adjust for your pet.
How many calories are in Purina Pro Plan Large Robust Puppy Healthy Start Chicken?
The label states 3,820 kcal per kg (checked 18 Oct 2026). Recipes change, so check your bag.