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Small BreedAKC Standard Breed

Beagle Puppy Weight Calculator & Growth Chart

A sturdy hound breed with high bone density and muscular drive. Beagles have a voracious appetite that must be regulated to prevent early obesity.

Adult Male Weight20–30 lbs
Adult Female Weight18–25 lbs
Mature Height13–15 inches
Growth Plate Closure10–12 months
Pediatric Biological Model

Beagle Weight Calculator

16 weeks (3.7 mo)

Accurate from 4 to 64 weeks of age.

9.5 lbs

Enter weight as weighed on a digital or vet scale.

Sex / Gender:

Estimated Adult Weight

18.2lbs(Range: 16.0 – 20.5 lbs)
✓ Healthy Growth Corridor
Skeletal Growth Completed52%
Full Adult Size At11–12 Months
Growth Plate Closure9–11 Months
AKC Breed Benchmark12–22 lbs (Male)

Beagle Pediatric Growth Trajectory

Biological sigmoid curve showing healthy weight progression by age (weeks).

Standard AKC RangeYour Puppy
You: 12.5 lbs35 lbs18 lbs0 lbs8 wks16 wks26 wks (6 mo)40 wks52 wks

Shaded area represents healthy ±1 standard deviation AKC breed corridor.

Growth Velocity Note

Quick, even growth between weeks 8 and 20. Skeletal frames solidify around 10 months.

Veterinary Feeding Guidance:

Use a digital kitchen scale to measure daily kibble grams; Beagles rarely self-regulate food intake.

Developmental Standards

Beagle Week-by-Week Weight Milestones

Reference data for healthy Beagle puppies based on veterinary pediatric percentiles.

Puppy AgeExpected Weight (lbs)Expected Weight (kg)Developmental Milestone
8 Weeks (2 mo)4.5–7.5 lbs2.0–3.4 kgActive sensory development
12 Weeks (3 mo)8.5–13.5 lbs3.9–6.1 kgTorso and scenting stamina growth
16 Weeks (4 mo)12.5–18.0 lbs5.7–8.2 kg~55% adult weight
24 Weeks (6 mo)16.0–23.0 lbs7.3–10.4 kgHound musculature emerges
36 Weeks (8 mo)18.0–26.0 lbs8.2–11.8 kgNear adult weight
52 Weeks (12 mo)18.0–30.0 lbs8.2–13.6 kgFull AKC adult benchmark

When Do Beagle Growth Plates Close?

For the Beagle (small breed classification), epiphyseal growth plates typically close between 10–12 months. Until these cartilaginous zones calcify into solid bone, the skeletal structure is particularly vulnerable to impact trauma.

  • Avoid repetitive high-impact jumping (such as off tall beds or out of SUVs).
  • Postpone intense agility hurdles or forced running on concrete until growth plate fusion is complete.
  • Maintain lean body condition: excess puppy fat places unnecessary biomechanical torque on immature ligaments.

Nutrition & Weight Maintenance

Caloric demand peaks between 8 and 16 weeks, during which puppies require up to twice the calories per pound of body weight compared to adult dogs.

Use a digital kitchen scale to measure daily kibble grams; Beagles rarely self-regulate food intake. Weigh your puppy bi-weekly and adjust portions according to their body condition score (BCS) rather than bag recommendations alone.

Frequently Asked Questions

Beagle Weight & Size Questions

What is the healthy weight for an adult Beagle?

The AKC recognizes two varieties: 13-inch Beagles typically weigh under 20 lbs, while 15-inch Beagles weigh 20 to 30 lbs.

When do Beagles stop growing?

Beagles stop growing taller around 8 to 10 months, reaching their final adult weight and muscle profile around 12 to 14 months.

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