What is Pet Food Calculator?
Multiplies the resting energy requirement (RER = 70 × weight^0.75) by factors for age, neuter status and activity to get the daily energy requirement (DER), then uses the kcal/kg on the food bag to calculate the daily portion in grams.
How to use
- 1
Choose dog or cat and enter the weight.
- 2
Pick the life stage and activity level.
- 3
Enter the food's calories (kcal/kg) to see the daily portion.
Use cases
Weight-loss diet
Calculate portions for an overweight dog based on its target weight.
Switching foods
Adjust the amount when changing to a food with different calories.
FAQ
Is the information I enter saved?+
No. All calculations happen in your browser and nothing is stored or sent anywhere.