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Cat Food Calculator

Estimate daily cat food portions from a daily calorie target and the food’s calories per cup.

Cat Food Calculator

FREE ONLINE TOOL
Assumptions and limits

A portion estimate only. Calorie needs vary by life stage, activity, health and body condition. Use a veterinarian-approved daily calorie target, count treats, and adjust portions based on weight and body condition. Food labels and cup sizes vary.

Formula

Cups/day = daily calorie target ÷ food kcal per cup. Cups/meal = cups/day ÷ meals/day.

Example

200 kcal/day ÷ 200 kcal/cup = 1 cup per day; split into 2 meals = 0.5 cup per meal.

Method source — Merck Veterinary Manual

STEP BY STEP

How to use cat food calculator

  1. Calculate and read the result in the displayed units.
  2. Review the formula, example and limits.

IN PRACTICE

Example

200 kcal/day ÷ 200 kcal/cup = 1 cup per day; split into 2 meals = 0.5 cup per meal.

GOOD TO KNOW

How much should I feed my pet?

A portion estimate only. Calorie needs vary by life stage, activity, health and body condition. Use a veterinarian-approved daily calorie target, count treats, and adjust portions based on weight and body condition. Food labels and cup sizes vary.

Practical guides

Cat Calorie Calculator: Estimate Daily RER by Weight →

How Much Water Should a Cat Drink? Daily Estimate by Weight →

Cat Food Calculator: Convert a Calorie Target to Cups per Day →

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