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What Pet Door Size Should You Buy?

Once you have decided to buy a pet door, your first consideration will be wht flap size to get. Pet doors are not ‘one size fits all,’ and the dimensions will vary as per the size of your pet. Well, we just made it a lot easier for you!


Choose the most suitable pet door size you need as per the breed of your furry friend. 


Dog and Cat Door Sizes by Breed

Pet Door Size

Pet Door Dimensions

Suitable For


6” x 7”

Cats, Chihuahua, Yorkie, Pomeranian, Maltese, Papillon


8” x 15”

Beagle, Pekingese, Cocker Spaniel, Poodle, Dachshund


10” x 19”

Labrador, Boxer, German Shepherd, Golden Retriever, Bulldog, Doberman


12” x 23”

Irish Wolfhound, Great Pyrenees, St. Bernard, Rottweiler, Old English Sheepdog, Great Dane


In case you have more than one pet, make sure that the step-over height is low for the smaller pet, while the maximum height of the flap should allow the tallest pet to get through as well.


We've made the following graphic for you to find the perfect size for your pet. Just find their breed, and see what size they use! It's worth noting that this is only referential, and heights can vary within a breed. The best thing to do is measure measure measure!

Pet Door Size Chart - get the perfect dog door height for your dog


Got any questions on choosing the best door size for your pet? Feel free to ask us in the comments section below. Check out our best selling pet doors to find the perfect door for you and your dog. Now that your dog is going to be spending more time outdoors, check out 5 treatments for their seasonal allergies



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1 comment

  • Seems like everyone around here thinks they will have a big dog if the puppy has big feet.

    Cris Castro

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