Dog Door Size Calculator

Dog Door Sizing and Installation

1. How do I know what size dog door I need?
   • Measure your dog’s width (at their widest point) and height (from the floor to the top of their shoulders). For comfortable clearance, add 1–2 inches to both measurements.
2. How big should a dog house door be?
   • The width should be about 1–2 inches wider than your dog, and the height can be around 75% of your dog’s standing height.
3. How big should a dog flap be?
   • The flap should be at least as wide as your dog, with 1–2 inches for clearance.
4. How high off the floor should a dog door be?
   • The bottom should be about 1–2 inches lower than your dog’s chest to allow easy access.
5. How do I know what size door I need?
   • Match the door’s width and height to your dog’s measurements, factoring in a few inches for comfort.
6. Can a small dog use a large dog door?
   • Yes, but it may feel less secure for them. If you have both large and small dogs, go with the larger door size.
7. Is it better to put a dog door in the wall or door?
   • Wall installations are more durable and allow for better insulation but are more labor-intensive. Doors are easier for installation but may need reinforcement.
8. Where is the best place to install a dog door?
   • Install it in a location sheltered from the elements and convenient for both you and your dog, often leading to a backyard or fenced area.

Choosing Dog House and Door Sizes by Dog Breed

9. What size dog door for an English Springer Spaniel?
   • A medium-sized door is typically sufficient (approximately 8–10 inches wide and 15 inches high).
10. What size dog door for a Staffy?
    • Staffies generally need a medium door, similar to a Springer Spaniel, around 8–10 inches wide and 15 inches high.
11. What size doggie door for a Labrador?
    • Labradors typically need a large door, roughly 10–12 inches wide and 20 inches high.
12. What size dog door for a Cocker Spaniel?
    • A medium door (8–10 inches wide and 15 inches high) is usually ideal.
13. What size dog door for a Jack Russell?
    • A small door (around 6–8 inches wide and 12–14 inches high) should suit a Jack Russell well.

Other Dog Door Considerations

It can be highly convenient, offering freedom for your pet, though it may not be ideal for everyone due to security or insulation considerations.

Can a dog house be too big?

Yes, if a house is too large, it may not retain warmth effectively, which can be uncomfortable for your dog.

Do doors have to be exact size?

Precision is key for weatherproofing and security. The dog door should fit securely, without large gaps.

Do dog doors let cold air in?

Some doors can let drafts in, especially single-flap models. Double-flap or insulated models offer better insulation.

How much should I charge to install a doggie door?

Professional installation typically costs $75–$300, depending on door type and complexity.

How long does it take to install a doggie door?

DIY installations can take 1–2 hours for doors, but wall installations can be more complex and time-consuming.

What is the disadvantage of a doggie door?

Security risks, drafts, and potential for other animals entering are common concerns. High-quality, lockable doors mitigate many of these issues.

What can I use instead of a doggie door?

Alternatives include electronic pet doors, magnetic locks, or simply letting your pet out manually when needed.

How do you position a dog door?

Position it so that the bottom edge aligns with your dog’s chest height.