It’s important to know that dog crates can provide a safe place for your dog. As they are referred to as den animals they use crates as a place of rest and safety. They use crates as a place they can go when they aren’t feeling well, have an injury or they are scared. If they have a place to go and can just relax it can improve their quality of life. When measuring your dog from nose to tail and measuring their height when they are in a sitting position and then add 2 inches. Your dog crate should be big enough that your dog can stand up easily, fit through the door comfortably, when sitting there should be a 2″ clearance above your dogs head, Lastly, when your dog is lying down they should be able to stretch their legs