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 Beneful Healthy Weight Farm-Raised Chicken Natural is on the lighter side: at 331 kcal per cup it has less energy than 90% of the 140 dry dog foods in our list, so the bowl will look fuller for the same calories.
To show how much the food matters: a 40 lb spayed or neutered dog needs about 985 kcal a day. That is 3 cups of this food, but 1 ⅞ cups of Purina Pro Plan All Ages Sport Performance 30/20 Salmon & Rice and 3 ⅝ cups of Kirkland Signature Healthy Weight Chicken and Vegetable. Same dog, same day, very different scoops.
A level 8 oz measuring cup holds about 103 g of this kibble. If you have kitchen scales, weighing is more accurate than scooping, because a heaped cup holds noticeably more than a level one.
This is a weight-control recipe. If your dog needs to slim down, tick “Needs to lose weight” in the calculator and enter the target weight your vet gave you; the portion is then worked out for the target, not the current weight.
Purina Beneful Healthy Weight Farm-Raised Chicken Natural 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 |
|---|---|---|---|
| 5 lb 2.3 kg | ½ cup48 g | ⅝ cup64 g | ¾ cup80 g |
| 10 lb 4.5 kg | ¾ cup81 g | 1 cup108 g | 1 ⅜ cups135 g |
| 15 lb 6.8 kg | 1 ⅛ cups110 g | 1 ⅜ cups146 g | 1 ¾ cups183 g |
| 20 lb 9.1 kg | 1 ⅜ cups136 g | 1 ¾ cups182 g | 2 ¼ cups227 g |
| 30 lb 13.6 kg | 1 ¾ cups185 g | 2 ⅜ cups246 g | 3 cups308 g |
| 40 lb 18.1 kg | 2 ¼ cups229 g | 3 cups306 g | 3 ¾ cups382 g |
| 50 lb 22.7 kg | 2 ⅝ cups271 g | 3 ½ cups361 g | 4 ⅜ cups452 g |
| 60 lb 27.2 kg | 3 cups311 g | 4 cups414 g | 5 cups518 g |
| 70 lb 31.8 kg | 3 ⅜ cups349 g | 4 ½ cups465 g | 5 ⅝ cups581 g |
| 80 lb 36.3 kg | 3 ¾ cups386 g | 5 cups514 g | 6 ¼ cups643 g |
| 90 lb 40.8 kg | 4 ⅛ cups421 g | 5 ½ cups562 g | 6 ⅞ cups702 g |
| 100 lb 45.4 kg | 4 ⅜ cups456 g | 5 ⅞ cups608 g | 7 ⅜ cups760 g |
Label values: 331 kcal per cup, 3,221 kcal per kg. Source: purina.com, checked 18 Oct 2026.
Questions
How much Purina Beneful Healthy Weight Farm-Raised Chicken Natural should I feed a 50 lb dog?
About 3 ½ cups or 361 g a day for a spayed or neutered dog, before treats. That is 1,164 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 Beneful Healthy Weight Farm-Raised Chicken Natural?
The label states 331 kcal per cup, 3,221 kcal per kg (checked 18 Oct 2026). Recipes change, so check your bag.
More from Purina Beneful
- Originals Farm-Raised Beef Natural
- IncrediBites with Farm-Raised Beef Small Breed
- Originals Natural with Real Farm-Raised Chicken
- Originals Natural with Real Salmon
- IncrediBites Small Dog With Farm-Raised Chicken
- Healthy Puppy with Real Farm-Raised Chicken
- Freshly Prepared Meals Beef and Chicken
- IncrediBites Small Breed Loaf with Real Chicken
- Freshly Prepared Stews Chicken Dinner with Carrots and Rice in Gravy