How to Choose the Right Size Dog Kennel: A Complete Buyer's Guide

Choosing the right size outdoor dog kennel is one of those decisions that looks simple on the surface but has real consequences for your dog's comfort, safety, and wellbeing. Too small, and your dog feels confined and stressed. Too large without adequate shelter, and they lose the security of a den-like space. Get it right, and your dog has a safe, comfortable outdoor retreat they'll actually want to use.

This complete guide walks you through exactly how to size a dog kennel, what features matter most, and which Coziwow options are the best fit for your dog's breed and lifestyle.

Why Kennel Size Matters

Dogs are den animals by instinct. A well-sized kennel satisfies that instinct — giving them a defined space that feels safe and secure. But "well-sized" doesn't mean "just big enough to turn around." An outdoor kennel is your dog's primary outdoor living space, and it needs to comfortably accommodate:

• Sleeping and resting in multiple positions
• Standing, turning, and stretching without restriction
• A separate area for elimination (in runs with adequate length)
• Food and water bowls
• Basic enrichment like toys or a bed

A kennel that's undersized leads to frustration, bar-chewing, excessive barking, and in severe cases, stereotypic behaviors from chronic stress. The right size kennel, by contrast, gives your dog a comfortable outdoor base that supports both physical health and mental wellbeing.

Step 1: Measure Your Dog Correctly

Before looking at any kennel dimensions, you need two key measurements of your dog:

Length (nose to tail base)

Measure from the tip of your dog's nose to the base of their tail (not the tip — the base where the tail meets the body). Add at least 6–12 inches (15–30 cm) to this measurement for comfortable movement room inside the sleeping/shelter section of the kennel.

Height (floor to top of head)

Measure from the floor to the top of your dog's head while they're standing naturally. Add at least 3–6 inches (8–15 cm) to determine the minimum interior height of the kennel. Your dog should be able to stand fully upright without their head or ears touching the roof.

Quick reference by breed size:

• Small breeds (under 25 lbs): Chihuahua, Dachshund, Shih Tzu, Pomeranian — Kennel shelter section: minimum 24″W x 24″D x 24″H
• Medium breeds (25–60 lbs): Beagle, Cocker Spaniel, Border Collie, Bulldog — Kennel shelter section: minimum 30″W x 36″D x 30″H
• Large breeds (60–100 lbs): Labrador, Golden Retriever, German Shepherd, Husky — Kennel shelter section: minimum 36″W x 48″D x 36″H
• Giant breeds (100+ lbs): Great Dane, Bernese Mountain Dog, Saint Bernard — Kennel shelter section: minimum 42″W x 60″D x 48″H

These are minimums. Always size up when in doubt — a slightly larger kennel is always better than a slightly smaller one.

Step 2: Consider the Run Length

Most quality outdoor dog kennels are designed as a 2-in-1 structure: an enclosed shelter section where your dog can sleep and rest, plus an open run area where they can move around, stretch, and get exercise.

The run length matters as much as the shelter size. A dog confined to a small run cannot get adequate exercise, which leads to pent-up energy, frustration, and destructive behavior.

Run length guidelines by breed activity level:

• Low-energy breeds (Basset Hound, Bulldog, Shih Tzu) — Minimum 4–6 ft run length in addition to the shelter section
• Moderate-energy breeds (Labrador, Golden Retriever, Beagle) — Minimum 6–8 ft run length
• High-energy breeds (Border Collie, Husky, Vizsla, working breeds) — 8+ ft run length; consider the longest available option

The Coziwow 87″L 2-in-1 Metal Reinforced Wooden Outdoor Dog Kennel provides 87 inches (over 7 feet) of total length, combining a solid wood sleeping shelter with an extended metal-reinforced open run. This makes it suitable for medium to large breeds and provides adequate run space for moderate-energy dogs without needing a separate exercise pen.

Step 3: Factor in Your Dog's Breed Characteristics

Beyond basic size measurements, certain breed characteristics affect which kennel features matter most:

Coat Type

• Double-coated and heavy-coated breeds (Husky, Malamute, Bernese Mountain Dog) — These breeds tolerate cold well but overheat easily. Prioritize ventilation, shade, and a kennel positioned out of direct afternoon sun.
• Short-coated and thin-coated breeds (Doberman, Whippet, Greyhound, Boxers) — These breeds feel the cold much more acutely. Prioritize a well-insulated shelter section and consider adding a door flap or weatherproof cover for fall and winter.

Activity Level

• High-energy working breeds need maximum run length and will benefit from raised platforms, toys, and enrichment added to the kennel environment.
• Lower-energy breeds or seniors may prioritize comfort in the shelter section over run size.

Chewing Tendency

• Power chewers (Rottweiler, Pitbull, Mastiff) need metal-reinforced components. A purely wooden kennel may not withstand sustained chewing pressure from a determined large dog.
• The Coziwow 87″L kennel's metal reinforcement addresses this — the structural integrity is significantly higher than all-wood designs for large, strong breeds.

Jumping and Climbing

• Escape-artist breeds (Huskies, Beagles, some terriers) need a kennel with secure latching and adequate height. Some dogs also benefit from a covered run to prevent jumping out.

Step 4: Evaluate Material and Construction Quality

For an outdoor kennel that will last through seasons of weather, construction quality is non-negotiable.

What to look for:

• Solid wood framing — Fir and pine are excellent choices for outdoor kennels. They're naturally weather-resistant, structurally strong, and safe for dogs. Engineered wood or particleboard is not suitable for outdoor use.
• Metal reinforcement — Wire mesh or metal panels on run sections should be heavy-gauge and rust-resistant. Lightweight mesh can be bent or broken by determined large dogs.
• Waterproof roof — The shelter roof should be solid and sloped for rain runoff. Check that there are no gaps at the roof-wall junction where water could penetrate.
• Secure latches — All doors should have dog-proof latches that can't be nosed open. For smart dogs and power breeds, consider adding a secondary latch.
• Treated or sealable wood — Exterior wood surfaces should be treatable with a pet-safe sealant to extend their life through rain and seasonal weathering.

Step 5: Think About Placement and Setup

The best kennel in the world underperforms if it's placed poorly. Before purchasing, think about where the kennel will go:

• Shade — Position the kennel so the run area has access to natural shade during the hottest part of the day (typically 11 AM–3 PM). Direct sun exposure in summer can cause heat stroke, even in a ventilated kennel.
• Drainage — Place the kennel on level, well-draining ground. Low spots that collect rainwater will result in muddy, flooded runs and damp bedding.
• Wind exposure — Orient the kennel so the solid shelter wall faces the prevailing wind direction. This dramatically reduces drafts and improves warmth in the shelter section during cold months.
• Security — The kennel should be visible from the house so you can monitor your dog, and positioned away from fences that your dog could use as a jumping-off point.

Featured Product: Coziwow 87″L 2-in-1 Metal Reinforced Wooden Outdoor Dog Kennel

For medium to large breed owners looking for a high-quality, all-in-one outdoor kennel solution, the Coziwow 87″L 2-in-1 Metal Reinforced Wooden Outdoor Dog Kennel delivers on every key criteria:

• ✅ 87″ total length — Generous combined shelter and run space suitable for most medium and large breeds
• ✅ Metal-reinforced run section — Heavy-duty structural integrity that stands up to strong, active dogs
• ✅ Solid wood shelter — Quality fir construction with a weatherproof roof that provides genuine thermal protection
• ✅ Secure door latch — Reliable closure on both the shelter and run access doors
• ✅ Treatable exterior wood — Apply a pet-safe sealant annually for maximum weather resistance and longevity
• ✅ Clean, durable aesthetic — Looks at home in any backyard setting without the industrial look of chain-link alternatives

Quick Size Reference Chart

Final Thoughts

Choosing the right dog kennel size comes down to three things: accurate measurements of your dog, honest assessment of their activity level and breed characteristics, and selecting a kennel built with materials that will hold up to your dog and your climate.

Measure twice, buy once — a well-chosen kennel is a long-term investment in your dog's outdoor comfort and safety.

Shop Coziwow's full Dog Kennel collection and find the perfect outdoor setup for your dog →