Beagle Size & Weight Chart: How Big Do They Get?
Written for general planning, not medical advice — no one at Argos Paws is a veterinarian. If something is wrong with your dog right now, call your vet or the nearest emergency clinic.
Quick answer: A full-grown Beagle typically weighs 18-30 lb (8.2-14 kg) and stands up to 15 in (up to 38 cm) tall at the shoulder. Most reach their adult size by around 10-12 months.
Photo: Wikimedia Commons contributor · CC BY-SA 3.0 · via Wikimedia Commons
Beagles are a scent hound bred for tracking small game, known for their friendly pack temperament and distinctive bay. Their nose-driven instincts mean recall training takes patience.
History and origin
Beagle-type hounds have been documented in England since at least the 15th century, bred to hunt hare and rabbit by scent on foot rather than on horseback. "Pocket Beagles" — small enough to fit in a saddlebag — were popular with royalty including Queen Elizabeth I. The modern standardised Beagle emerged in the mid-19th century, and the breed arrived in the United States after the Civil War. Today the Beagle is one of the most widely kept breeds in the world, prized not only as a family companion but also as a detection dog: their extraordinary nose earns them roles in airport customs and agricultural biosecurity.
Temperament and personality
Beagles are fundamentally pack animals: social, curious, and almost incapable of holding a grudge. They are rarely aggressive and adapt easily to households with children, other dogs, and strangers — the world is, in their view, full of potential pack members. The trade-off for this sociability is a low boredom threshold and a powerful impulse to follow their nose wherever it leads, often at the expense of any command you have just given. A Beagle left unstimulated will find ways to entertain itself — usually involving excavation, vocalisation, or escape. The distinctive bay is not misbehaviour; it is how scent hounds signal to the pack that they are on a trail.
Training and socialisation
Beagles are intelligent but not the most biddable breed — food motivation is very high, but so is the competing pull of an interesting scent. Keep training sessions short (10–15 minutes) and heavily reward-based: lengthy, repetitive drills lose their attention quickly. Recall is the most critical skill to develop early and reinforce consistently, as an off-lead Beagle following a scent trail will tune out verbal commands entirely. A secure, fenced area for off-lead exercise is strongly recommended. Crate training helps prevent destructive behaviour when they are left home alone.
| Size category | Small |
|---|---|
| Typical adult weight | 18-30 lb (8.2-14 kg) |
| Height at the shoulder | up to 15 in (up to 38 cm) |
| Full grown by | 10-12 months |
| Life expectancy | 10-15 years |
Beagles come in two height varieties: 13 in and under (typically under 20 lb) and 13-15 in (typically 20-30 lb).
Beagle weight chart by age (lb & kg)
Estimated weights for an average Beagle puppy, based on the typical growth curve for a small breed. Males usually track toward the top of each figure, females toward the bottom.
| Age | Weight (lb) | Weight (kg) |
|---|---|---|
| 2 months | ~8 lb | ~3.6 kg |
| 3 months | ~13 lb | ~5.9 kg |
| 4 months | ~17 lb | ~7.7 kg |
| 5 months | ~20 lb | ~9.1 kg |
| 6 months | ~22 lb | ~10 kg |
| 10-12 months (full grown) | 18-30 lb | 8.2-14 kg |
When does a Beagle stop growing?
As a small-to-medium breed, Beagles typically reach adult weight by around 10-12 months. Smaller breeds like the Beagle reach full height and fill out fairly close together, so growth tends to look "done" all at once.
Use the Puppy Weight Predictor below — it's pre-loaded with the Beagle's growth curve, so just enter your puppy's current weight and age.
Predict your Beagle's adult weight
Enter your puppy's current weight and age to get an estimate based on this breed's typical growth curve.
Open the Puppy Weight PredictorHow much does it cost to feed a Beagle?
A typical adult Beagle (24 lb, average activity) needs roughly 671 kcal/day — about 0.4 lb (1.6 cups) of dry kibble per day, which works out to around $24/month at typical kibble prices. Fresh or subscription-style food usually costs more, around $268/month for the same dog. These are population-level estimates — use the calculator below for a number based on your dog's actual weight and food type, or see the Beagle feeding chart for puppy amounts by month.
Estimate Beagle food costs
Pre-filled with this breed's typical adult weight — adjust activity level and food type to get your monthly estimate.
Open the Dog Food Cost CalculatorBrowse dog food sized for a Beagle
Compare dry, wet, and breed-specific formulas — filter by your dog's size and life stage to narrow it down.
Browse dog food on Amazon(affiliate link)How old is my Beagle in human years?
The old "×7" rule doesn't hold up — small breeds like the Beagle age at their own rate, not a generic one. Use the calculator below, pre-set to this breed's size.
Convert your Beagle's age
Pre-filled with this breed's size category for a more accurate human-year estimate than a flat multiplier.
Open the Beagle Age CalculatorCommon health considerations
- Obesity is common in Beagles, who are food-motivated and prone to overeating.
- Epilepsy occurs at a higher rate in this breed than in many others.
- Hypothyroidism and ear infections (from their long, low-hanging ears) are also relatively common.
This is general breed-level information, not a diagnosis or a prediction for any individual dog. Talk to your vet about health screening and preventive care specific to your dog.
Is pet insurance worth it for a Beagle?
See a typical monthly premium for this breed and whether it would likely pay off against a major vet bill.
Beagle insurance costSimilar breeds
Based on energy level, living-space fit, and care needs, these breeds are closest to the Beagle:
Take our breed match quiz
Answer a few quick questions about your lifestyle and living space to see which breeds — not just the Beagle — actually fit best.
Take the Breed Match QuizFrequently asked questions
How much does a full-grown Beagle weigh?
A full-grown Beagle typically weighs 18-30 lb (8.2-14 kg), making it a small breed. Individual dogs vary within that range depending on sex, genetics, and body condition — use the Puppy Weight Predictor above for an estimate based on your specific puppy's current weight and age.
How tall is a full-grown Beagle?
A full-grown Beagle stands up to 15 in (up to 38 cm) tall, measured at the shoulder (withers). Beagles come in two height varieties: 13 in and under (typically under 20 lb) and 13-15 in (typically 20-30 lb).
When does a Beagle stop growing?
As a small-to-medium breed, Beagles typically reach adult weight by around 10-12 months. Height typically levels off a bit before this; smaller breeds like this one fill out relatively quickly once they reach height.
Is a Beagle a good first dog?
It can work for a first-time owner who does their homework, but the Beagle isn't the automatic beginner-friendly pick either — read the exercise and grooming sections above before deciding.
How much exercise does a Beagle need?
Above average — plan on 45-60 minutes of real activity most days. A short walk around the block won't be enough on its own for a Beagle.
Is a Beagle good with kids?
Yes, the Beagle is one of the more reliably kid-friendly breeds, generally patient and sturdy enough for boisterous play. Always supervise young kids with any dog regardless of breed reputation.
How much grooming does a Beagle need?
About as wash-and-go as it gets. The Beagle needs minimal brushing and rarely requires professional grooming.