Whippet Size Guide: Adult Weight, Height & Growth Milestones

Whippet Breed Overview: The Medium-Sized Sighthound

If you've ever watched a whippet sprint across a field — all long legs and streamlined muscle — then curl up into a tiny crescent on the couch five minutes later, you understand the paradox of this breed. Whippets occupy a specific niche in the sighthound world: they're larger than Italian Greyhounds but considerably smaller than Greyhounds, landing firmly in the medium-size class. Their compact yet athletic build makes them one of the most apartment-friendly sighthounds, provided their exercise needs are met.

Understanding whippet size matters for everything from choosing the right crate and harness to budgeting for food and predicting veterinary medication dosages. This guide breaks down exact measurements, growth timelines, and what living with a fully grown whippet actually looks like day to day.

Attribute	Details
Size Class	Medium
Weight (Adult)	25–40 lb / 11–18 kg
Height (At Withers)	18–22 inches / 46–56 cm
Lifespan	12–15 years
Coat Type	Short, smooth, fine single coat
Energy Level	Moderate-high (sprint-based)
Grooming Frequency	Weekly brushing, monthly nail trims
Family Fit	Good with respectful children; high prey drive with small pets
Apartment Friendly	Yes, with daily off-leash running access

Whippet Size Breakdown: Weight, Height & Growth Timeline

The American Kennel Club breed standard specifies that male whippets stand 19–22 inches (48–56 cm) at the withers, while females stand 18–21 inches (46–53 cm). Weight is not strictly defined in the standard, but most adults fall between 25–40 lb (11–18 kg), with males typically occupying the upper range and females the lower.

Growth Milestones: What to Expect by Age

Age	Approximate Weight	Development Notes
8 weeks	5–8 lb / 2.3–3.6 kg	Ready to leave breeder; rapid growth phase begins
3 months	8–12 lb / 3.6–5.4 kg	Legs appear disproportionately long; coordination still developing
6 months	15–25 lb / 7–11 kg	Reaches ~65% of adult height; growth plates still open
9 months	20–32 lb / 9–14.5 kg	Near adult height; filling out in chest and muscle
12 months	24–38 lb / 11–17 kg	Height mostly set; continues gaining muscle mass
18 months	25–40 lb / 11–18 kg	Full physical maturity; chest has broadened, adult proportions set

Whippets mature faster than giant breeds but slower than toy breeds. Most reach their full height by 10–12 months but continue developing chest width and muscle definition through 18 months. If your whippet falls significantly outside these ranges, consult your veterinarian to rule out nutritional deficiencies or growth disorders.

Size Compared to Related Sighthounds

Breed	Height	Weight	Size Class
Italian Greyhound	13–15 in / 33–38 cm	7–14 lb / 3–6 kg	Toy/Small
Whippet	18–22 in / 46–56 cm	25–40 lb / 11–18 kg	Medium
Greyhound	27–30 in / 69–76 cm	60–70 lb / 27–32 kg	Large

Temperament & Personality: Five Traits That Define the Whippet

Whippets are not generic "loyal companions" — they have a distinct personality shaped by centuries of selective breeding for independent visual pursuit. Here are the core traits owners consistently report:

1. Quiet and Low-Vocalization. Whippets rarely bark without reason. In apartment settings, most owners report hearing their whippet bark fewer than five times per week, usually triggered by doorbells or unfamiliar sounds. This makes them one of the least noise-complaint-prone breeds in multi-unit housing.

2. Sprint-and-Snooze Energy Pattern. Unlike herding breeds that need hours of sustained activity, whippets operate in bursts. A typical whippet will sprint at full speed for 3–5 minutes during a run session, then sleep or lounge for the next 2–4 hours. They're sometimes called "the laziest fast dog" because of this extreme on/off switch.

3. Strong Chase Instinct (Prey Drive). A whippet that spots a squirrel at 200 yards will launch into pursuit within seconds, often ignoring recall commands entirely. This is not disobedience — it's hardwired sighthound neurology. Off-leash time must happen only in fully fenced areas (minimum 5-foot fencing, as whippets can clear 4-foot fences from a standstill).

4. Sensitivity to Tone and Environment. Whippets shut down under harsh correction. Raised voices or physical punishment typically produce a trembling, withdrawn dog rather than a compliant one. They respond to calm, consistent positive reinforcement with food and play rewards.

5. Affectionate but Not Clingy. A whippet will press its entire body against you on the couch (they seek warmth due to low body fat) but won't typically follow you room-to-room like a Velcro breed. They're present without being demanding.

Exercise & Activity Needs: Minutes, Types & Practical Schedule

The vague advice "moderate exercise" doesn't help you plan your week. Here's what a whippet actually needs:

Daily Minimum: 60–90 minutes total activity, broken into:

• Two leash walks: 20–25 minutes each, moderate pace, sniffing allowed
• One off-leash sprint session: 15–30 minutes in a fenced area (dog park, fenced yard, or secure field) where the dog can run at full gallop
• Mental enrichment: 10–15 minutes of lure coursing, flirt pole work, or scent games

Day	Morning	Afternoon/Evening	Total Time
Weekday	20-min leash walk	20-min walk + 20-min off-leash run	60 min
Weekend	25-min leash walk	30-min off-leash + 15-min lure coursing or flirt pole	70 min

Activity types whippets excel at: Lure coursing (their competitive sport of origin), straight racing, flyball, and agility (though their thin build requires modified equipment heights). Avoid sustained jogging alongside a bicycle — whippets are built for anaerobic sprinting, not endurance cardio, and prolonged trotting on hard surfaces can stress their joints.

Cold weather note: Whippets have virtually no body fat and a single-layer coat. Below 45°F (7°C), they need a fitted fleece or neoprene coat for outdoor activity. Below 30°F (-1°C), limit outdoor time to bathroom breaks and short walks with a coat.

Common Health Issues in Whippets

Whippets are generally one of the healthier purebred dogs, benefiting from a relatively large gene pool and a breed community that emphasizes functional health over extreme conformation. However, several conditions appear at elevated rates:

Condition	Description	Estimated Prevalence	Management
Anesthetic Sensitivity	Whippets metabolize barbiturate-based anesthetics slowly due to low body fat, risking prolonged recovery or overdose	Breed-wide trait (not a percentage — all whippets are affected to some degree)	Ensure your vet uses gas anesthesia (isoflurane/sevoflurane) or propofol protocols specifically dosed for sighthounds
Cardiac Murmurs / Mitral Valve Disease	Heart murmurs detected on exam; some are innocent flow murmurs, others indicate valve degeneration	~5–8% of whippets over age 8 (per Merck Veterinary Manual)	Annual cardiac auscultation; echocardiogram if murmur detected; medication (pimobendan, enalapril) as prescribed
Corneal Dystrophy	Bilateral opaque deposits in the cornea that may or may not impair vision	~2–4% (breed screening data)	Ophthalmologic exam; usually monitored without treatment unless ulceration occurs
Hypothyroidism	Low thyroid hormone production causing lethargy, weight gain, hair thinning	~3–5%	Daily levothyroxine supplementation; blood monitoring every 6–12 months
Muscle Cramping / Myopathy	Exercise-induced muscle stiffness or cramping, sometimes linked to electrolyte imbalance	Rare (<1%)	Rest, electrolyte supplementation, veterinary evaluation to rule out metabolic disease

Always consult your veterinarian before starting or changing any health management protocol. Breed-specific anesthetic protocols should be discussed with your vet before any surgical procedure, including routine spay/neuter.

Grooming Requirements: Minimal but Specific

Whippets are among the lowest-maintenance breeds for grooming, but "low maintenance" doesn't mean zero maintenance. Their short, fine coat and lean build create specific care needs:

• Brushing: Once weekly with a rubber curry brush (e.g., Kong ZoomGroom, ~$8–$12) or soft bristle brush. This removes loose hair and distributes skin oils. Expect light year-round shedding — not enough to require a deshedding tool.
• Bathing: Every 4–8 weeks, or as needed. Use a mild oatmeal-based dog shampoo. Whippets' thin skin is prone to dryness, so avoid frequent bathing with harsh products.
• Nail trims: Every 3–4 weeks. Whippet nails grow quickly, and overgrown nails alter foot mechanics on their already-arched toes. Use guillotine-style or scissor-style clippers; a rotary grinder (e.g., Dremel PawControl 7760, ~$30) works well for dogs tolerant of vibration.
• Dental care: Daily tooth brushing with enzymatic dog toothpaste (e.g., Virbac CET, ~$10–$14) or at minimum 3x/week. Whippets are prone to tartar accumulation by age 4–5.
• Skin checks: Weekly visual inspection for scrapes, hot spots, or insect bites. Whippets' thin coat and low body fat offer minimal protection against thorns, rough brush, and biting insects.

Training & Intelligence: Independent Thinkers, Not Obedience Robots

Whippets rank in the middle tier for working/obedience intelligence — they learn commands readily but don't always see the point of executing them without motivation. This is typical sighthound independence, not stubbornness.

Trainability rating: 3 out of 5 (learns quickly, compliance varies by motivation level)

Recommended methods:

• Positive reinforcement only. Food rewards (small, high-value treats like freeze-dried liver or boiled chicken pieces) and toy rewards (chase-based games) produce the best results.
• Short sessions. 5–10 minutes, 2–3 times daily. Whippets lose focus after about 15 minutes of repetitive drills.
• Recall training is critical but imperfect. Even well-trained whippets will break recall to chase prey. Never trust a whippet off-leash in an unfenced area regardless of training level. Use a long-line (30-foot training lead) for recall practice in open areas.
• Crate training. Highly recommended. Whippets den naturally and typically accept crate training within 1–2 weeks with positive association methods. Use a 36-inch crate (e.g., MidWest iCrate, ~$45–$60) for most adults.

What doesn't work: Shock collars, prong collars, alpha rolls, or dominance-based methods. Whippets are physically and emotionally sensitive — aversive tools can cause shutdown, fear-based aggression, or physical injury to their thin necks and spines.

Family Suitability: Kids, Other Pets & Living Situations

With children: Whippets do well with children who have been taught calm interaction. Their thin frames mean a falling toddler or an enthusiastic hug can result in a cracked rib or leg fracture. Supervision is mandatory with children under 8.

With cats: Some whippets coexist peacefully with household cats, especially if introduced as puppies. However, the chase instinct can activate unpredictably — a cat running across the yard may trigger pursuit even in a cat-tolerant whippet. Never leave a whippet unsupervised with a cat until you've observed months of consistent calm behavior.

Cost of Ownership: Purchase Price & Annual Expenses

Expense Category	Cost Range (USD)	Notes
Puppy from responsible breeder	$1,500–$3,500	Health-tested parents, AKC registration, early socialization; show/breeding prospects may be $4,000+
Adoption (rescue/shelter)	$200–$600	Whippet rescues (e.g., National Whippet Rescue Alliance) occasionally have adults and seniors
First-year veterinary care	$600–$1,200	Puppy vaccine series (DHPP, rabies, bordetella), spay/neuter, heartworm test, fecal exams
Annual veterinary care (adult)	$400–$800	Wellness exam, vaccines, heartworm prevention, dental cleaning every 1–2 years
Food (quality kibble)	$480–$720/year	~1.5–2.5 cups/day of AAFCO-approved food (e.g., Purina Pro Plan Sport, Royal Canin Medium); ~$40–$60/month
Pet insurance	$360–$600/year	~$30–$50/month for accident/illness plan (varies by deductible and coverage level)
Supplies (first year)	$300–$500	Crate, harness, leash, coat, bed, bowls, grooming tools, toys
Ongoing annual supplies	$150–$300	Replacement toys, coats, grooming products, dental supplies
Estimated first-year total	$3,500–$7,500	Includes puppy purchase + all first-year expenses
Estimated annual cost (years 2+)	$1,400–$2,400	Vet care + food + insurance + supplies (excludes emergencies)

Budget tip: Whippet-specific expenses that surprise new owners include winter coats ($25–$60 each, you'll want 2–3 for rotation and washing), orthopedic beds ($60–$120 — whippets need cushioning due to low body fat and prominent bone structure), and sighthound-specific martingale collars ($15–$30 — standard buckle collars slip off their narrow heads).

Frequently Asked Questions About Whippet Size & Care

Is a whippet a good first dog?

Yes, with caveats. Whippets suit first-time owners who have researched sighthound-specific needs: secure fencing, leash-only rules in open areas, cold-weather protection, and gentle training methods. They're forgiving of novice mistakes in socialization and basic training, but their chase instinct requires management that inexperienced owners sometimes underestimate. If you can commit to a fenced running area and positive reinforcement training, a whippet is a manageable and rewarding first dog.

How big does a whippet get as an adult?

Adult whippets stand 18–22 inches (46–56 cm) at the shoulder and weigh 25–40 lb (11–18 kg). Males tend toward the larger end of both ranges. They reach full height by 10–12 months but continue filling out in muscle and chest width until approximately 18 months.

How much daily exercise does a whippet need?

Plan for 60–90 minutes of total daily activity: two 20–25 minute leash walks plus one 15–30 minute off-leash sprint session in a securely fenced area. Weekend sessions can include structured activities like lure coursing or flirt pole work. This is less total time than a Border Collie or Labrador but requires access to specific facilities (fenced fields, dog parks, or a large yard).

What health problems are whippets prone to?

The most significant breed-specific concern is anesthetic sensitivity — all whippets require modified anesthetic protocols (gas anesthesia or propofol, never barbiturates alone). Other conditions include cardiac murmurs (5–8% in seniors), corneal dystrophy (2–4%), hypothyroidism (3–5%), and rare exercise-induced myopathy. Overall, whippets have a lower rate of hip dysplasia and bloat compared to many similarly sized breeds. Always discuss breed-specific anesthetic protocols with your veterinarian before any procedure.

Are whippets good with children and other pets?

Whippets are gentle with respectful children ages 6 and up but are physically fragile — toddlers or roughhousing kids can accidentally injure them. With other dogs, they're typically sociable and enjoy canine companionship. With cats and small animals, results vary: some whippets coexist peacefully with household cats, but their prey drive makes them unreliable around rabbits, guinea pigs, or small dogs under 15 lb. Always supervise interactions and never assume prey drive has been "trained out."

How much does it cost to buy and maintain a whippet?

Expect to pay $1,500–$3,500 for a puppy from a responsible breeder with health-tested parents, or $200–$600 through a breed rescue. First-year total costs (including the puppy) range from $3,500–$7,500. Ongoing annual costs for an adult whippet run $1,400–$2,400, covering veterinary care, quality food, pet insurance, and supplies. Emergency veterinary care is an additional variable — an emergency surgery can cost $2,000–$6,000, making pet insurance or a dedicated savings fund advisable.

Sources: American Kennel Club – Whippet Breed Standard, Merck Veterinary Manual – Heart Disease in Dogs, AVMA – Dog Care Resources