The Cat Food Calculator helps you calculate how much food to feed your cat 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 = 10 lb; Life Stage / Activity = 1.2; Food Energy Density = 300 kcal/cup — the Cat Food Calculator returns:
| Value | Result |
|---|---|
| Daily calories | 261 kcal |
| Food per day | 0.87 cups |
| Per meal (2x/day) | 0.44 cups |
0.87 cups per day. 261 kcal/day needed. Split into 2 meals of 0.44 cups each.
Helpful Information
Results from the Cat 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.