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
Harringtons Senior Rich in Chicken & Rice is on the lighter side: at 3,480 kcal per kg it has less energy than 87% of the 46 dry dog foods in our list, so the bowl will look fuller for the same calories.
To show how much the food matters: a 18 kg spayed or neutered dog needs about 979 kcal a day. That is 281 g of this food, but 237 g of Purina Pro Plan Small and Mini Puppy Healthy Start Chicken and 298 g of Bakers Meaty Meals Chicken. Same dog, same day, very different scoops.
Senior recipes are made for older dogs, who often move less. If yours sleeps most of the day, choose the “Couch dog” setting and check the weight every few weeks.
Harringtons Senior Rich in Chicken & Rice feeding chart
Daily amounts for healthy adult dogs with no treats, from the label calories and the AAHA 2021 energy factors. Split the amount into meals.
| Weight | Couch dog | Spayed or neutered | Very active |
|---|---|---|---|
| 2 kg | 41 g | 54 g | 68 g |
| 5 kg | 81 g | 108 g | 135 g |
| 10 kg | 136 g | 181 g | 226 g |
| 15 kg | 184 g | 245 g | 307 g |
| 20 kg | 228 g | 304 g | 380 g |
| 25 kg | 270 g | 360 g | 450 g |
| 30 kg | 309 g | 413 g | 516 g |
| 35 kg | 347 g | 463 g | 579 g |
| 40 kg | 384 g | 512 g | 640 g |
| 45 kg | 419 g | 559 g | 699 g |
Label values: 3,480 kcal per kg. Source: groceries.morrisons.com, checked 18 Oct 2026.
Questions
How much Harringtons Senior Rich in Chicken & Rice should I feed a 25 kg dog?
About 360 g a day for a spayed or neutered dog, before treats. That is 1,252 kcal a day divided by the food’s label value. Use the calculator above to adjust for your pet.
How many calories are in Harringtons Senior Rich in Chicken & Rice?
The label states 3,480 kcal per kg (checked 18 Oct 2026). Recipes change, so check your bag.