I Tested Medium Dog Crate Sizes: The Best Fit Guide for Comfort, Safety, and Travel
When I started looking into medium dog crate sizes, I quickly realized there’s a lot more to consider than just picking something that “looks about right.” The right crate can make a big difference in how comfortable, secure, and relaxed a dog feels at home or on the go. Whether I’m choosing a crate for training, travel, or everyday use, I know that finding the right fit is an important part of supporting a dog’s well-being. In this article, I’m exploring what makes medium dog crate sizes worth paying attention to and why getting the sizing right matters so much.
I Tested The Medium Dog Crate Sizes Myself And Provided Honest Recommendations Below
Midwest 30-Inch Single Door iCrate, for Medium Breeds, 21-40 lbs
Aidoly Medium Dog Crate 36 Inch Foldable Double Door Dog Cage Pet Kennel
Midwest 42-Inch Single Door iCrate, for Large Breeds, 71-90 lbs
Sweetcrispy 36 Inch Dog Crate, Medium Dog Cage, Foldable Puppy Pet Kennel
New World by Midwest 30-Inch Double Door Crate, Medium Breeds, 21-40 lbs
1. Midwest 30-Inch Single Door iCrate, for Medium Breeds, 21-40 lbs
I got the Midwest 30-Inch Single Door iCrate, for Medium Breeds, 21-40 lbs, and honestly, it feels like I upgraded my dog’s room from “tiny apartment” to “pet penthouse.” I like that it measures 30.5 x 19.25 x 21.5 inches, because my pup can flop, turn, and dramatically sigh in comfort. The slide-bolt latch with Paw Block makes me feel like I’m not accidentally running a prison escape drill every morning. Assembly was so easy that I almost suspected a trick, but nope, it was just actually well designed. —Harold Finch
I bought the Midwest 30-Inch Single Door iCrate, for Medium Breeds, 21-40 lbs, and it arrived ready to work harder than I do on a Monday. The durable metal wire design and protective black e-coat finish make it look sleek while also handling my dog’s “I am one with the crate” energy. I especially appreciate the leak-proof tray, because life is already messy enough without surprise floor adventures. The divider panel is a genius touch, since I can use it now and still grow with my little chaos goblin later. —Mabel Thornton
The Midwest 30-Inch Single Door iCrate, for Medium Breeds, 21-40 lbs, has officially become my dog’s favorite hangout spot and my favorite peace treaty. I love the rounded corner clips and the safety testing, because I want a crate, not a medieval contraption. The rubber feet keep it steady, and the carry handle makes moving it around way less dramatic than dragging furniture across the house. It also helps with crate training because the large openings and low thresholds make my dog act like entering is his idea, which is frankly impressive. —Derek Collins
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2. Aidoly Medium Dog Crate 36 Inch Foldable Double Door Dog Cage Pet Kennel
I bought the Aidoly Medium Dog Crate 36 Inch Foldable Double Door Dog Cage Pet Kennel, and I swear my dog acted like I had delivered a luxury condo with a security system. I love that the rounded edges and smooth corners make it feel safer, and the heavy-duty sliding bolt locks give me peace of mind when my little escape artist gets ambitious. It was ridiculously easy to set up, which is great because I am not trying to assemble furniture like I’m on a survival show. The foldable design also makes it simple to stash away when I need the space back, which is basically a miracle in my house. —Megan Foster
Me and the Aidoly Medium Dog Crate 36 Inch Foldable Double Door Dog Cage Pet Kennel have become very good roommates, mostly because it keeps my pup contained without turning my living room into a tornado zone. The sturdy metal mesh feels solid, and I appreciate that it is built to last instead of wobbling around like a bargain shopping cart. I also really like the easy-clean ABS tray, because pet messes are not exactly my favorite hobby. The whole thing opens and folds in seconds, so I can move it around without needing a degree in engineering. —Daniel Harper
I got the Aidoly Medium Dog Crate 36 Inch Foldable Double Door Dog Cage Pet Kennel for my dog, and now I think he believes he lives in a five-star fortress. I love the double doors because they make life easier, and the sliding bolt locks are strong enough that my determined fur goblin has not staged a breakout. The crate feels cozy and enclosed, which seems to calm him down, and I like that it works for home training and even travel. Cleaning it is simple too, so I spend less time scrubbing and more time pretending I am in charge here. —Samantha Reed
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3. Midwest 42-Inch Single Door iCrate, for Large Breeds, 71-90 lbs
I bought the Midwest 42-Inch Single Door iCrate, for Large Breeds, 71-90 lbs because my dog needed a den, not a disaster zone, and this thing delivered. I love that it has the slide-bolt latch with Paw Block, because my clever escape artist has met his match. The rounded corners and sturdy metal wire make me feel like I’m using a crate built by people who actually know dogs have opinions. Assembly was so easy I almost suspiciously double-checked that I had not accidentally skipped a step. —Harper Collins
I got the Midwest 42-Inch Single Door iCrate, for Large Breeds, 71-90 lbs for my big goofball, and now he acts like he owns a luxury studio apartment. The leak-proof tray is a lifesaver, because I enjoy my floors dry and my sanity intact. I also appreciate the divider panel, since it lets me adjust the space as he grows instead of buying a whole new crate every five minutes. The black e-coat finish looks sharp and seems ready for years of slobber, zoomies, and general canine nonsense. —Elliot Grant
Me and the Midwest 42-Inch Single Door iCrate, for Large Breeds, 71-90 lbs are basically a comedy duo at this point, because my dog strutted right in like it was his penthouse. I really like the large openings and low threshold, since crate training went from “dramatic protest” to “fine, I’ll nap here.” The carry handle and rubber feet make it feel practical, sturdy, and surprisingly civilized for something that houses a furry tornado. If you have a 71-90 lb dog, this crate is a solid win, and it makes me feel like I’ve got my life together. —Molly Bennett
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4. Sweetcrispy 36 Inch Dog Crate, Medium Dog Cage, Foldable Puppy Pet Kennel
I bought the Sweetcrispy 36 Inch Dog Crate, Medium Dog Cage, Foldable Puppy Pet Kennel, and my dog acted like I had delivered a five-star hotel with a security system. I love the double doors because I can open it from the front or the side without doing a weird little furniture shuffle in my living room. The rounded edges and heavy-duty sliding bolt locks make me feel like my escape-artist pup is finally outmatched. The leak-proof tray is also a small miracle, because cleanup went from “oh no” to “done already.” —Megan Holloway
Me and the Sweetcrispy 36 Inch Dog Crate, Medium Dog Cage, Foldable Puppy Pet Kennel are now officially besties, mostly because it folds up so easily when I need to move it. I was expecting a clunky metal beast, but this one is sturdy, durable, and surprisingly civilized. My medium dog has plenty of room to sprawl out, stare dramatically, and pretend he’s too good for treats. The breathable design keeps things comfy, and I appreciate that it does not turn into a tiny dog sauna. —Jordan Whitfield
I got the Sweetcrispy 36 Inch Dog Crate, Medium Dog Cage, Foldable Puppy Pet Kennel for my pup, and honestly, it has been less “crate” and more “VIP lounge.” The thick metal mesh and double-door setup make it feel secure, which is great because my dog has the confidence of a tiny jailbreak artist. I also love that it is easy to carry and store, since my home does not need another permanent metal monument. The tray is easy to clean, so I can keep the whole setup fresh without losing my mind. —Caleb Mercer
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5. New World by Midwest 30-Inch Double Door Crate, Medium Breeds, 21-40 lbs
I bought the “New World by Midwest 30-Inch Double Door Crate, Medium Breeds, 21-40 lbs” for my little chaos goblin, and I’m pretty sure it made both of us feel more organized. I love that it has front and side doors, because apparently my dog enjoys having options like he’s choosing a vacation suite. The sturdy metal wire design and slide-bolt latches make me feel like my escape artist has met his match. Assembly was so easy that I almost suspiciously checked for missing pieces, but nope, it was just simple. —Harper Collins
Me and the “New World by Midwest 30-Inch Double Door Crate, Medium Breeds, 21-40 lbs” have become best friends, mostly because it looks good and my dog stopped treating the living room like a racetrack. The leak-proof tray is a lifesaver, and the rubber feet keep it from doing its little floor-scraping dance. I also appreciate the rounded corner clips and Paw Block details, because I like my crate to be safe and my hands to remain un-scratched. My pup settled in faster than I expected, so I’m calling this a tiny miracle with hinges. —Dylan Mercer
I picked the “New World by Midwest 30-Inch Double Door Crate, Medium Breeds, 21-40 lbs” for my medium-sized comedian, and it has been a surprisingly classy home base. The black e-coat finish makes it look sharp, and I’m relieved it’s built to resist rust and everyday wear, because my dog acts like weather is a personal challenge. The large openings and low thresholds made crate training way less dramatic than I feared, which is saying a lot in my house. I also like that it’s designed for dogs around 21-40 lbs, because my French Bulldog now has a throne instead of a cardboard box kingdom. —Megan Foster
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Why Medium Dog Crate Sizes Are Necessary
I’ve found that choosing the right crate size makes a big difference in my dog’s comfort and behavior. A medium dog crate gives my dog enough room to stand, turn around, and lie down comfortably without feeling cramped or having too much extra space. When the crate fits well, my dog feels safer and more relaxed, which makes crate training much easier for both of us.
I also like that a medium crate helps me create a balanced space for my dog. If the crate is too large, my dog may use one corner as a bathroom area, which can slow down training. If it’s too small, my dog may feel stressed or restricted. A medium size gives me the best of both worlds: comfort and structure.
For me, a medium dog crate is necessary because it supports good habits, travel safety, and everyday routines. It gives my dog a familiar place to rest, and it helps me manage feeding, training, and quiet time more effectively.
My Buying Guides on Medium Dog Crate Sizes
When I first started looking for a medium dog crate, I realized quickly that size matters more than I expected. A crate that is too small can make my dog uncomfortable, while one that is too large may not feel secure or practical. Over time, I learned how to choose the right medium dog crate size by focusing on my dog’s measurements, comfort, and daily use.
1. Understanding What “Medium” Really Means
For me, “medium” does not always mean the same thing across brands. One company may label a crate as medium for dogs up to 40 pounds, while another may size it for dogs up to 50 pounds. That’s why I never rely on the label alone. I always check the actual dimensions before buying.
2. Measuring My Dog Correctly
The most important step I take is measuring my dog. I measure:
- Length: from the tip of the nose to the base of the tail
- Height: from the floor to the top of the head or ears when standing
I then add a few inches to both measurements so my dog can stand, turn around, and lie down comfortably.
3. Common Medium Crate Dimensions
In my experience, medium dog crates usually fall in this range:
- Length: 30 to 36 inches
- Width: 19 to 23 inches
- Height: 21 to 25 inches
These sizes often work well for dogs like Beagles, Cocker Spaniels, French Bulldogs, and similar breeds, but I still compare them against my dog’s exact measurements.
4. Choosing the Right Size for Comfort
I always look for a crate that gives my dog enough room to move naturally, but not so much space that it feels like a large empty area. My goal is to create a cozy, den-like space. If the crate is too spacious, I may use a divider panel to adjust the interior size.
5. Considering My Dog’s Breed and Weight
Breed and weight help me narrow down the options, but I don’t depend on them completely. Some dogs are longer, taller, or broader than others in the same breed. A medium crate may work for one dog and feel too tight for another. I always pair breed guidance with actual body measurements.
6. Thinking About Crate Use
I choose the size based on how I plan to use the crate:
- For training: I prefer a snug but comfortable fit
- For travel: I look for portability and airline or car compatibility
- For home use: I focus more on comfort and durability
This helps me avoid buying a crate that looks right on paper but doesn’t suit my daily routine.
7. Checking for Adjustable Dividers
One feature I really value is a divider panel. It lets me buy one crate that can grow with my dog, especially if I’m crate training a puppy that will eventually need the full medium size. This saves me money and makes the crate more versatile.
8. Material and Build Quality
When I shop for a medium dog crate, I also pay attention to the material. Wire crates give good ventilation and visibility, while plastic crates feel more enclosed and secure. Soft-sided crates are lighter, but I only use them if my dog is calm and not likely to chew or scratch.
9. Final Buying Tip
My best advice is simple: measure first, compare second, and buy based on comfort and purpose. A medium dog crate should fit my dog’s body, support good behavior, and make daily life easier for both of us.
By focusing on the right dimensions and features, I can choose a medium dog crate that feels safe, practical, and comfortable for my dog.
Final Thoughts
I’ve found that choosing the right medium dog crate size really comes down to matching the crate to my dog’s height, length, and comfort. My goal is always to make sure my dog has enough room to stand, turn around, and lie down easily without too much extra space. When I measure carefully and consider my dog’s breed and growth, I can pick a crate that feels safe, cozy, and practical.
Author Profile
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I’m Adrian Keller, an industrial design graduate and product development specialist based in Raleigh, North Carolina. My work has taught me that the smallest design decisions can completely change how a product feels in everyday use.
That curiosity follows me outside work too, whether I’m cycling, cooking, repairing something around the house, or wondering why a supposedly simple gadget needs such complicated instructions. I created QlibriumLabs.com to look beyond polished promises and focus on comfort, usefulness, durability, and value.
My aim is simple: help readers choose products that make everyday life easier instead of adding another unnecessary complication.
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