Boxer growth chart (month by month)
Typical weight ranges for a healthy Boxer puppy, based on the breed's adult weight and a large-breed growth curve.
| Age | Male | Female |
|---|---|---|
| 2 months | 9.8–12 lb 4.4–5.4 kg | 7.5–9.8 lb 3.4–4.4 kg |
| 3 months | 16–20 lb 7.4–9.1 kg | 12–16 lb 5.7–7.4 kg |
| 4 months | 23–29 lb 11–13 kg | 18–23 lb 8.2–11 kg |
| 5 months | 30–37 lb 14–17 kg | 23–30 lb 10–14 kg |
| 6 months | 36–44 lb 16–20 kg | 28–36 lb 12–16 kg |
| 8 months | 46–56 lb 21–25 kg | 35–46 lb 16–21 kg |
| 10 months | 53–66 lb 24–30 kg | 41–53 lb 19–24 kg |
| 12 months | 58–72 lb 27–33 kg | 45–58 lb 20–27 kg |
| 15 months | 63–78 lb 29–35 kg | 48–63 lb 22–29 kg |
| 18 months | 65–80 lb 29–36 kg | 50–65 lb 23–29 kg |
How big does a Boxer get?
An adult male Boxer usually weighs 65–80 lb (29–36 kg) and an adult female 50–65 lb (23–29 kg). Female Boxers are typically about 15 lb lighter than males. Boxers mature slowly and may act like puppies until 2–3 years.
When is a Boxer fully grown?
As a large breed, a Boxer typically reaches its adult weight at about 18 months. Height usually finishes first; chest and muscle keep filling out for a while after.
Use the calculator above with your puppy's current weight to see whether it is tracking low, high or right on the curve.
Frequently asked questions
How much should a 6 month old Boxer weigh?
Most male Boxer puppies weigh about 36–44 lb at 6 months, and females about 28–36 lb.
How much should an 8 week old Boxer weigh?
Roughly 9.8–12 lb for males and 7.5–9.8 lb for females, though puppies vary a lot at this age.
When does a Boxer stop growing?
Most Boxers reach their adult weight at around 18 months.
Is my Boxer puppy overweight?
Check body condition: you should feel the ribs easily without pressing hard and see a waist from above. If in doubt, ask your vet.
More free pet calculators
PuppyGrowthCalc gives general estimates for healthy pets. Every animal is different. Ask your vet about your pet's ideal weight, diet and health.