These posters can be found at “One-page Nutrition Guides.” (If you click on any of the above images, you can drag and drop a full-size poster to your desktop and print it out from there.) You can also get tons of info at http://feline-nutrition.org/. Similar guidelines apply to dogs, as well.
PLUS: here’s a great article on cat obesity and how to avoid it (feline-nutrition.org/nutrition/slimming-your-cat-what-works-what-doesnt).
“You can look it up!” (Susan Sarandon in Bull Durham.)