Dog Food Portion Calculator
Daily food portion for your dog by weight and activity.
Enter your values
ⓘ Live results
Results
- Daily food portion
- 4.02 cups
- Daily calorie need
- 1,409 kcal
- Resting energy requirement (RER)
- 783 kcal
- Suggested split
- 2.01 cups x 2 meals
Quick answer
Daily calorie needs are based on resting energy requirement (RER) scaled by an activity factor for age and energy level.
RER = 70 x (weight kg)^0.75; daily calories = RER x activity factor
How to use the Dog Food Portion Calculator
- 1Enter your dog's weight in kg and their life stage/activity level.
- 2Check the calories per cup on your dog food bag label.
- 3Split the daily portion into 2 meals for most adult dogs, or more frequently for puppies.
Worked example
Using the values the calculator loads with:
Inputs
- Dog weight25 kg
- Activity/life stageAdult, active
- Calories per cup of food350
Results
- Daily food portion4.02 cups
- Daily calorie need1,409 kcal
- Resting energy requirement (RER)783 kcal
- Suggested split2.01 cups x 2 meals
Frequently asked questions
Should I adjust for weight loss?
Yes, use the weight loss factor and monitor body condition, adjusting food down further if needed under vet guidance.
Is this accurate for all breeds?
It's a solid starting estimate, but very active working breeds or specific medical conditions may need vet-guided adjustments.
About this calculator
- Built and reviewed by James Whitfield · How we build and test calculators
- Report an error
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.