Boxer Growth Chart: Puppy Weight by Month

Boxer puppy weight chart (lb)

Adult weight	2 mo	3 mo	4 mo	5 mo	6 mo	8 mo	10 mo	12 mo	15 mo
Male, 65 lb	10	17	25	32	39	49	56	60	64
Male, 80 lb	13	21	30	40	48	60	69	74	78
Female (approx.), 50 lb	7.8	13	19	25	30	38	43	46	49
Female (approx.), 65 lb	10	17	25	32	39	49	56	60	64

Boxer puppy weight chart (kg)

Adult weight	2 mo	3 mo	4 mo	5 mo	6 mo	8 mo	10 mo	12 mo	15 mo
Male, 29 kg	4.6	7.8	11	15	18	22	25	27	29
Male, 36 kg	5.7	9.6	14	18	22	27	31	34	36
Female (approx.), 23 kg	3.6	6.0	8.6	11	14	17	20	21	22
Female (approx.), 29 kg	4.6	7.8	11	15	18	22	25	27	29

Typical weights by month. Individual puppies often sit 10–15% above or below these numbers. Last reviewed October 7, 2026.

The AKC says females are about 15 lb lighter than males, so the female rows use the male range minus 15 lb.

How big does a Boxer get?

According to the American Kennel Club's breed profile for the Boxer, adults weigh: male 65–80 lb; female about 15 lb less than males. Life expectancy is 10–12 years.

	Weight	Height
Male	65–80 lb	23–25 in
Female	about 15 lb less than males	21.5–23.5 in

When does a Boxer stop growing?

Boxers grow like other large-sized dogs: they are close to adult weight at around 15 months. At 6 months a typical Boxer puppy has reached about 60% of its adult weight.

To estimate your own puppy's adult weight from its current weight and age, use the puppy weight calculator and choose "Large" as the expected adult size.

How the chart is made

The adult weights come from the AKC breed profile. The weight at each month is estimated with our large-breed growth curve, which gives the share of adult weight a typical puppy of that size reaches at each age. The curves are simplified from published research on dog growth, including the growth standard charts by Salt and colleagues (PLOS ONE, 2017).

If your puppy is well below or above the chart, stops gaining weight, or looks very thin or round, ask your vet to check its body condition.

Questions people ask

How much should a 3-month-old Boxer weigh?

Typically about 13–21 lb, depending on sex and how big the dog will be as an adult.

How much should a 6-month-old Boxer weigh?

Typically about 30–48 lb, roughly 60% of adult weight.

When is a Boxer full grown?

Most Boxers are close to their adult weight at around 15 months, though many keep filling out with muscle for a while after that.

How big will my Boxer get?

The AKC lists adult weights of male 65–80 lb; female about 15 lb less than males. Your puppy's parents are a good guide to where in that range it will end up.

Boxer growth chart