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Cat Food Calculator

Calculate how much food to feed your cat daily based on weight, age, and activity level.
Get recommendations in cups, grams, and cans.

Daily Feeding Guide

Resting Energy Requirement (RER) for Cats:

RER = 70 × (body weight in kg)^0.75

Daily Energy Requirement (DER):

Life Stage Factor
Kitten (under 1 year) 2.5
Adult (neutered) 1.2
Adult (intact) 1.4
Active indoor cat 1.4
Overweight/weight loss 0.8-1.0
Senior (11+) 1.1

Typical calorie content:

  • Dry food: ~350-400 kcal per cup
  • Wet food (5.5 oz can): ~150-200 kcal per can

Average daily needs:

  • Most adult cats need 200-300 calories per day
  • Kittens need more per pound than adults

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