The Dog Food Calculator helps you calculate how much food to feed your dog each day. Simply fill in the fields above and click Calculate to get an instant result.
This calculator is part of Calculate Wiki’s Pet Calculators collection.
What You’ll Need
- Weight (lb)
- Life Stage / Activity
- Food Energy Density (kcal/cup)
Formula Used
Daily Calories = RER × Life Stage Factor (RER = 70 × kg^0.75)
Cups per Day = Daily Calories ÷ Food's kcal per Cup
Example Calculation
Using example inputs — Weight = 40 lb; Life Stage / Activity = 1.6; Food Energy Density = 350 kcal/cup — the Dog Food Calculator returns:
| Value | Result |
|---|---|
| Daily calories | 985 kcal |
| Food per day | 2.81 cups |
| Per meal (2x/day) | 1.41 cups |
2.81 cups per day. 985 kcal/day needed. Split into 2 meals of 1.41 cups each.
Helpful Information
Results from the Dog Food Calculator are estimates based on standard formulas used in the pet calculators field. For projects with significant cost, health, or safety implications, consider verifying results with a qualified professional.