Medium sized dogs bring together the best of both worlds — they’re big enough for adventures yet compact enough to adapt to smaller homes. Here are some of the most loved medium dog breeds that combine charm, loyalty, and personality.
Basset Hound Dog
Quick Facts
- Origin: France
- Size: 40–65 lbs, up to 14 inches tall
- Personality: Gentle, calm, loyal, stubborn scent-follower
Why They Stand Out
With their droopy ears and soulful eyes, Basset Hounds are affectionate family companions. Their powerful noses make them excellent scent trackers, though it means they can wander off if not supervised. Perfect for calm households that want a loving yet quirky pet.
Check out our medium sized dog Basset Hound Dog Age Calculator to know your Basset Hound’s age in human years.
Cocker Spaniel Dog
Quick Facts
- Origin: United States / UK
- Size: Around 28 lbs, 13–15 inches tall
- Personality: Cheerful, affectionate, playful, eager to please
Why They Stand Out
Known for their silky coats and happy nature, Cocker Spaniels are wonderful family dogs. They thrive on companionship and outdoor play. With regular grooming and daily walks, they remain one of the most joyful and loyal medium breeds.
Check out our medium sized dog Cocker Spaniel Dog Age Calculator to know your Cocker Spaniel’s age in human years.
Bulldog
Quick Facts
- Origin: England
- Size: 40–50 lbs, 14–15 inches tall
- Personality: Loyal, courageous, calm, affectionate
Check out our Medium Sized Dogs Bulldog Dog Age Calculator to know your Bulldog’s age in human years.
Why They Stand Out:
Bulldogs are iconic with their wrinkled faces and sturdy frames. Despite their tough looks, they are gentle, loving, and great with kids. They don’t need intense exercise but do need extra care in hot weather due to breathing sensitivities.
Australian Cattle Dog
Quick Facts
- Origin: Australia
- Size: 35–50 lbs, 17–20 inches tall
- Personality: Energetic, intelligent, protective, hardworking
Why They Stand Out
Bred for herding cattle, this breed is tough, smart, and extremely loyal. Australian Cattle Dogs thrive with active owners who can give them daily challenges, training, and exercise. They’re not just pets but true partners in adventure.
Check out our Medium Sized Dogs Australian Cattle Dog Age Calculator to know your Australian Cattle Dog’s age in human years.
Australian Shepherd Dog
Quick Facts
- Origin: United States
- Size: 50–65 lbs, 18–23 inches tall
- Personality: Athletic, brilliant, devoted, protective
Why They Stand Out
Aussies are natural athletes and brilliant workers. Known for their striking eyes and merle coats, they shine in agility sports and outdoor adventures. They do best with experienced owners who can keep up with their energy and intelligence.
Check out our Medium Sized Dogs Australian Shepherd Dog Age Calculator to know your Australian Shepherd’s age in human years.
Beagle Dog
Quick Facts
- Origin: England
- Size: 20–30 lbs, 13–15 inches tall
- Personality: Curious, cheerful, vocal, friendly with families
Why They Stand Out
Beagles are small hounds with big personalities. Known for their strong sense of smell, they love exploring and following scents. Their playful nature and affectionate temperament make them excellent with kids, but secure fencing is a must.
Check out our Medium Sized Dogs Beagle Dog Age Calculator to know your Beagle’s age in human years.
Border Collie Dog
Quick Facts
- Origin: Scotland/England border
- Size: 30–45 lbs, 18–22 inches tall
- Personality: Intelligent, energetic, hardworking, alert
Why They Stand Out
Often called the smartest dog breed, Border Collies thrive when they have tasks or agility training. They are highly trainable, loyal, and excellent companions for active owners. Without enough stimulation, however, they can become restless.
Check out our Medium Sized Dogs Border Collie Dog Age Calculator to know your Border Collie’s age in human years.
Boxer Dog
Quick Facts
- Origin: Germany
- Size: 55–70 lbs, 21–25 inches tall
- Personality: Playful, protective, loyal, strong
Why They Stand Out
Boxers are muscular, energetic dogs with boundless enthusiasm. They’re affectionate with families, protective by nature, and thrive on physical activity. Their goofy personalities balance perfectly with their courage, making them beloved family guardians.
Check out our Medium Sized Dogs Boxer Dog Age Calculator to know your Boxer’s age in human years.
Bull Terrier Dog
Quick Facts
- Origin: England
- Size: 50–70 lbs, 18–22 inches tall
- Personality: Spirited, affectionate, mischievous, brave
Check out our Medium Sized Dogs Bull Terrier Dog Age Calculator to know your Bull Terrier’s age in human years.
Why They Stand Out
With their egg-shaped heads and muscular builds, Bull Terriers are instantly recognizable. They are playful clowns who adore their families but can be stubborn at times. With consistent training, they become loyal, fun-loving pets.
Chow Chow Dog
Quick Facts
- Origin: China
- Size: 45–70 lbs, 17–20 inches tall
- Personality: Dignified, aloof, loyal, protective
Why They Stand Out
Known for their lion-like mane and blue-black tongues, Chow Chows are unique and regal. They are independent, reserved with strangers, but deeply loyal to their families. This breed is perfect for experienced dog owners who appreciate their calm and protective nature.
Check out our Medium Sized Dogs Chow Chow Dog Age Calculator to know your Chow Chow’s age in human years.
Dalmatian Dog
Quick Facts
- Origin: Croatia
- Size: 45–70 lbs, 19–24 inches tall
- Personality: Energetic, alert, intelligent, friendly
Why They Stand Out
Famous for their spotted coats, Dalmatians are athletic and spirited dogs. Originally carriage dogs, they’re loyal protectors with endless stamina. They thrive in active households where they can run, play, and be part of family adventures
.
Check out our Medium Sized Dogs Dalmatian Dog Age Calculator to know your Dalmatian’s age in human years.
English Springer Spaniel Dog
Quick Facts
- Origin: England
- Size: 40–50 lbs, 19–20 inches tall
- Personality: Energetic, affectionate, eager-to-please, intelligent
Check out our Medium Sized Dogs English Springer Spaniel Dog Age Calculator to know your English Springer Spaniel’s age in human years.
Why They Stand Out
Springers are sporting dogs with friendly personalities and boundless energy. They excel in hunting, agility, and obedience training. Known for their affectionate temperament, they make wonderful companions for active families.
Keeshond Dog
Quick Facts
- Origin: Netherlands
- Size: 35–45 lbs, 17–18 inches tall
- Personality: Friendly, alert, loyal, affectionate
Why They Stand Out
Keeshonds are fluffy, fox-like dogs with a distinctive “spectacles” pattern around their eyes. They are known as companion dogs, always eager to bond with their families. Playful and affectionate, they adapt well to both apartments and houses.
Check out our Medium Sized Dogs Keeshond Dog Age Calculator to know your Keeshond’s age in human years.
Samoyed Dog
Quick Facts
- Origin: Siberia (Russia)
- Size: 50–65 lbs, 19–24 inches tall
- Personality: Gentle, playful, social, intelligent
Why They Stand Out
Famous for their “Sammy smile,” Samoyeds are gentle, fluffy dogs that love companionship. Originally bred to herd reindeer and pull sleds, they’re hardworking yet affectionate. Their stunning white coats and cheerful personality make them a favorite for families.
Check out our Medium Sized Dogs Samoyed Dog Age Calculator to know your Samoyed’s age in human years.
Shar-Pei Dog
Quick Facts
- Origin: China
- Size: 45–60 lbs, 18–20 inches tall
- Personality: Independent, loyal, calm, protective
Check out our Medium Sized Dogs Shar-Pei Dog Age Calculator to know your Shar-Pei’s age in human years.
Why They Stand Out
With their wrinkled skin and unique looks, Shar-Peis are one of the most recognizable breeds. They are calm, reserved, and deeply loyal to their families. Naturally protective, they make excellent guard dogs with a dignified presence.
Shetland Sheepdog
Quick Facts
- Origin: Scotland (Shetland Islands)
- Size: 15–25 lbs, 13–16 inches tall
- Personality: Intelligent, agile, affectionate, obedient
Why They Stand Out
Often called “Shelties,” these herding dogs resemble miniature Collies. They are incredibly smart, easy to train, and deeply loyal. Their agility and affectionate nature make them ideal for families looking for both brains and companionship.
Check out our Medium Sized Dogs Shetland Sheepdog Dog Age Calculator to know your Shetland Sheepdog’s age in human years.
Shiba Inu Dog
Quick Facts
- Origin: Japan
- Size: 17–23 lbs, 13–17 inches tall
- Personality: Independent, alert, clean, bold
Why They Stand Out
The Shiba Inu is Japan’s most popular companion dog, known for its fox-like face and confident personality. They’re independent yet affectionate with their families. Clean and cat-like in habits, they’re perfect for owners who appreciate their unique charm.
Check out our Medium Sized Dogs Shiba Inu Dog Age Calculator to know your Shiba Inu’s age in human years.
Siberian Husky Dog
Quick Facts
- Origin: Siberia (Russia)
- Size: 35–60 lbs, 20–23.5 inches tall
- Personality: Friendly, energetic, outgoing, strong-willed
Why They Stand Out
With striking blue eyes and wolf-like looks, Siberian Huskies are stunning and athletic. Bred to pull sleds, they have high energy and love outdoor adventures. Social and playful, they do best with active families who can keep up with their stamina.
Check out our Medium Sized Dogs Siberian Husky Dog Age Calculator to know your Siberian Husky’s age in human years.
Staffordshire Bull Terrier Dog
Quick Facts
- Origin: England
- Size: 24–38 lbs, 14–16 inches tall
- Personality: Brave, loyal, affectionate, strong-willed
Why They Stand Out
Despite their muscular build, “Staffies” are affectionate, people-loving dogs known for their bond with children. They are fearless yet gentle, making them loyal family protectors. With proper training, they’re incredibly loving companions.
Check out our Staffordshire Bull Terrier Dog Age Calculator to know your Staffordshire Bull Terrier’s age in human years.
Standard Schnauzer Dog
Quick Facts
- Origin: Germany
- Size: 30–50 lbs, 17–20 inches tall
- Personality: Alert, intelligent, spirited, protective
Why They Stand Out
Recognized by their beards and wiry coats, Standard Schnauzers are versatile working dogs. They’re intelligent, protective, and loyal to their families. Their playful yet dignified nature makes them reliable household guardians.
Check out our Medium Sized Dogs Standard Schnauzer Dog Age Calculator to know your Standard Schnauzer’s age in human years.
Vizsla Dog
Quick Facts
- Origin: Hungary
- Size: 45–65 lbs, 21–24 inches tall
- Personality: Energetic, affectionate, gentle, loyal
Check out our Medium Sized Dogs Vizsla Dog Age Calculator to know your Vizsla’s age in human years.
Why They Stand Out
Known as the “Velcro dog,” Vizslas form exceptionally close bonds with their owners. They are athletic, graceful, and affectionate, making them excellent companions for active individuals. Their golden-rust coats add to their striking appearance.
Whippet Dog
Quick Facts
- Origin: England
- Size: 25–40 lbs, 18–22 inches tall
- Personality: Gentle, affectionate, athletic, calm indoors
Why They Stand Out
Whippets are sleek, elegant sighthounds known for their speed. Despite their racing background, they are calm couch-lovers indoors and affectionate with families. They’re a perfect mix of sporty and gentle.
Check out our Whippet Dog Age Calculator to know your Whippet’s age in human years.
Soft Coated Wheaten Terrier
Quick Facts
- Origin: Ireland
- Size: 30–40 lbs, 17–19 inches tall
- Personality: Cheerful, playful, affectionate, adaptable
Why They Stand Out
With their silky, wavy coats, Wheaten Terriers are as charming as they are loving. They’re friendly, social, and great with kids. Adaptable and full of energy, they bring joy to both city and suburban households.
Check out our Medium Sized Dogs Soft Coated Wheaten Terrier Dog Age Calculator to know your Soft Coated Wheaten Terrier’s age in human years.
Welsh Springer Spaniel Dog
Quick Facts
- Origin: Wales
- Size: 35–50 lbs, 17–19 inches tall
- Personality: Loyal, active, affectionate, cheerful
Check out our Medium Sized Dogs Welsh Springer Spaniel Dog Age Calculator to know your Welsh Springer Spaniel’s age in human years.
Why They Stand Out
Known for their striking red-and-white coats, Welsh Springers are affectionate, devoted companions. They love outdoor adventures and family playtime, thriving in active households. Their cheerful temperament makes them great all-around pets.
Dog Age Calculator Table (For Medium Sized Dogs)
| Dog’s Age (Years) | Human Equivalent Age (Years) |
|---|---|
| 1 year | 15 years |
| 2 years | 24 years |
| 3 years | 28 years |
| 4 years | 32 years |
| 5 years | 36 years |
| 6 years | 40 years |
| 7 years | 44 years |
| 8 years | 48 years |
| 9 years | 52 years |
| 10 years | 56 years |
| 11 years | 60 years |
| 12 years | 64 years |
| 13 years | 68 years |
| 14 years | 72 years |
| 15 years | 76 years |
Conclusion
Choosing the right medium sized dog means finding a pet that blends the energy and sociability of larger breeds with the manageability of smaller ones. Our guide through the 24 best medium sized dogs showcases a wide range—from the athletic Australian Shepherd to the gentle Basset Hound—each with unique traits, grooming requirements, and personality profiles. Whether you’re seeking a companion for daily jogs, a watchful yet affectionate guard, or a cuddly family member, these breeds offer something for every lifestyle.
To elevate your understanding of how breed characteristics, size, and lineage come together, explore the comprehensive List of dog breeds on Wikipedia. It offers valuable insights into classification systems and breed-specific origins that enrich your knowledge and support informed decision-making.
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