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.
A healthy adult Parson Russell Terrier weighs 13–17 lb (AKC official breed standard). Below are daily amounts for that range, for a typical dry dog food (382 kcal per cup, the middle of the dog foods in our list). For your own food, use the calculator above: it is already set to a Parson Russell Terrier weight.
| Weight | Couch potato | Spayed or neutered | Very active |
|---|---|---|---|
| 13 lb 5.9 kg | ⅞ cup87 g · 318 kcal | 1 ⅛ cups116 g · 424 kcal | 1 ⅜ cups145 g · 530 kcal |
| 17 lb 7.7 kg | 1 cup106 g · 389 kcal | 1 ⅜ cups142 g · 518 kcal | 1 ¾ cups177 g · 648 kcal |
Daily totals with no treats. Worked out from resting energy (70 × kg0.75) and the AAHA 2021 life-stage factors. Weight source note: Weight of a terrier in hard working condition usually between 13 and 17 pounds.
Good to know
The AKC sums up the Parson Russell Terrier in three words: friendly, clever, athletic. How active yours really is matters more for the bowl than the breed name, so pick the column that fits your own dog.