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Cat Food Nutrition Calculator
Based on The Cornell Book of Cats Nutrition Information*

I developed this "calculator" because I became frustrated that pet foods don't list the carbohydrates in their "Guaranteed Analysis", and diabetic cats are very sensitive to the carbohydrates in their diet.  I think you'll be amazed if you compare the carbohydrate content of different foods -- I know I was.
(To see calculations for a variety of common cat foods, click here.)


To use:

  1. Read the "Guaranteed Analysis" statement on the package of cat food, and use the yellow boxes to enter the protein, fat, fiber, and moisture percentages from the label. If "ash" is listed, or if any other minerals add up to more than 1%, enter the total in the yellow box for Ash.
  2. Don't worry about the fact that the percentages are listed as "minimum" or "maximum" - just enter the numbers.  The actual analysis is supposed to be within a percent or two of what they list.  But if you get weird results, like negative values for carbohydrates, this inaccuracy in the guaranteed analysis is why.
  3. Click "Calculate"
  4. Read the percentage of carbs in the food, the calories per 100g of food, and the calories per ounce of food, based on the numbers you entered.

 

  % of Food
(from label) 		Calories per
100g of nutrient
%
Fat
%
Fiber
%
Moisture
%
Ash / other minerals
%
Carbohydrates
%
Calories per 100g of food:
Calories per ounce of food:

* Siegal, Mordecdai, Ed. (1989).  The Cornell Books of Cats: The Comprehensive and Authoritative Medical Reference for Every Cat and Kitten.  New York:  Villard Books.  Page 81.

Disclaimer:  This calculator is NOT meant to diagnose, prevent, treat or cure any medical condition in your pets.  I am NOT a veterinarian or other medical professional, and this calculator only does the math on the numbers you enter, so I cannot be responsible for the results.  Please make sure that your pets get regular veterinary care!

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