Dog Food Calculator
Estimate daily calorie needs and convert them to cups using your dog's weight, life stage, activity, and food label.
About calculating dog food portions
Dog food calculation examples
| Dog and profile | Daily energy | Food portion |
|---|---|---|
| 5 kg growing puppy | 702 kcal | 2.01 cups at 350 kcal per cup |
| 10 kg typical adult | 630 kcal | 1.57 cups at 400 kcal per cup |
| 20 kg inactive adult | 795 kcal | 2.04 cups at 390 kcal per cup |
How to calculate daily dog food
- Weigh the dog and convert the measurement to kilograms if needed.
- Choose the profile that most closely reflects life stage and activity.
- Find kilocalories per cup on the exact food package and enter that value.
- Select Calculate Daily Food, divide the daily amount among meals, and include treats in the total.
- Track weight and body condition, then review adjustments with a veterinarian.
Dog food calculator FAQ
How many cups should I feed my dog?
The answer depends on calorie need and the energy density of the exact food. Two foods can require different cup amounts for the same dog, so use the package calorie statement.
What are RER and MER?
Resting energy requirement, or RER, estimates energy used at rest from metabolic body weight. Maintenance energy requirement applies a factor for life stage, activity, and other needs.
Should treats be included?
Yes, treats and chews add to the daily calorie total and can materially change body weight. Many veterinary guidelines suggest keeping extras to a small share of total calories so the complete diet supplies most nutrients.
How often should portions be adjusted?
Start with a consistent measured portion and monitor weight and body condition over several weeks. Adjust gradually with veterinary guidance rather than reacting to normal day-to-day appetite changes.
Can I use this for a puppy or a dog losing weight?
The profiles provide broad starting estimates, but both situations need closer oversight. A veterinarian can protect growth, nutrient intake, muscle mass, and a safe rate of weight change.