Find Your Dog Door Size

Use the chart below to find the perfect PlexiDor size for your dog.

Download Full Size Chart (PDF)
Size Chart Header
Plexidor Size
Dog Weight
Opening Width
Opening Height
Installation Cut Hole Sizes
Breed Size Examples
MediumMD
Up to 40 lbs
9 inches
12 inches
11 1/2" x 13 5/8" (Door Series) 12 1/8" x 15"† (Wall Series)
Cats, Poodles, Corgis, Dachshunds, Beagles, Pekingese, Shelties, Schnauzers, Cocker Spaniels and most Terriers
LargeLG
Up to 100 lbs
11 3/4 inches
16 inches
14 1/4" x 17 7/8" (Door Series) 14 1/2" x 18 5/8" (Wall Series)
Labradors, German Shepherds, Golden Retrievers, Boxers, Collies, Setters, Bulldogs, Pointers and Dobermans
LargeLGP
Up to 150 lbs
13 3/8 inches
22 3/8 inches
16 1/8" x 24 1/8" (Door Series) 16 1/2" x 25"† (Wall Series)
Standard Poodle, Bernese Mountain Dog, Leonberger, Cane Corso, Akita, Black Russian Terrier, Beauceron
Extra LargeXL
Up to 220 lbs
15 3/4 inches
23 5/8 inches
18 1/8" x 25 3/8" (Door Series) 18 3/4" x 26 1/2"† (Wall Series)
Great Danes, St. Bernards, Rottweiler, Old English Sheepdogs, Newfoundlands, Irish Wolfhounds and Great Pyrenees
ElectronicPDE
Up to 125 lbs
12 5/8 inches
19 5/8 inches
14 3/8" x 21 5/8" (Door Series) 14 1/2" x 23 1/2"† (Wall Series)
Large breed examples as listed including Malamutes, Weimaraners, Rhodesian Ridgebacks and all Cats

† Note: There are two dimensions for the Wall Series cut hole, interior and exterior. Read the installation instructions carefully before cutting. ‡ Dimensions listed in chart are Width by Height.

How to Measure Your Dog

  • Measure your dog’s height (floor to back)
  • Measure your dog’s width (widest part)
  • The door opening should be at least 2 inches taller than your dog