Hello how may I help you? I kist adopted a cat. How much room does a cat take up in a one bedroom apartment? *just You need at least 300 square feet My apartment is 350 Square feet. will he fit in there with me? That would be perfect What does a cat eat? You can feed the cat soft or hard cat food How much room will cat food take up? No much at all okay. Thank you. Have a nice day!