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Maltipoo Puppy Growth Chart & Weight Calculator

How much should a Maltipoo puppy weigh? Adult Maltipoos typically weigh 5-20 lb (2-9 kg). Use the month-by-month chart below or enter your puppy's weight to predict adult size.

Updated 2026-10-10 · Adult range based on typical breed standards

Maltipoo weight chart by age

AgeExpected weight (lb)Expected weight (kg)% of adult weight
2 months2-6 lb1-3 kg30%
3 months2-9 lb1-4 kg45%
4 months3-12 lb1-5 kg60%
5 months4-14 lb2-7 kg72%
6 months4-16 lb2-7 kg82%
7 months4-18 lb2-8 kg89%
8 months5-19 lb2-9 kg94%
9 months5-19 lb2-9 kg97%
10 months5-20 lb2-9 kg99%
12 months5-20 lb2-9 kg100%
14 months5-20 lb2-9 kg100%
16 months5-20 lb2-9 kg100%

Ranges span typical females (lower end) to males (upper end). Individual puppies vary; your vet's body condition assessment matters more than hitting an exact number.

How big will my Maltipoo get?

Free · instant · based on veterinary formulas

8 to 104 weeks
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When do Maltipoos stop growing?

As a toy breed, Maltipoos usually reach their adult weight at around 9-10 months, and are typically about half their adult weight by around 4 months. They may keep filling out (gaining muscle and chest depth) for a few months after their height stops increasing.

Feeding a growing Maltipoo

  • Feed a complete puppy food.
  • Split food into 3-4 small meals a day; toy puppies can develop low blood sugar if they go too long without eating.
  • Keep your puppy lean. You should be able to feel the ribs easily. Use the dog food calculator (puppy setting) as a starting point.
  • Weigh your puppy every 1-2 weeks and compare with the chart above.

Is my Maltipoo puppy overweight or underweight?

A puppy slightly outside the chart range is usually fine if it is active, eating well and has a good body shape. Talk to your vet if your puppy is far outside the range, stops gaining weight, or looks pot-bellied or bony. Parents' size is a strong clue: puppies from smaller parents often finish at the lower end.

Other breed growth charts

Frequently asked questions

How big will my Maltipoo get?

Most adult Maltipoos weigh 5-20 lb. Enter your puppy's weight and age in the calculator above for a personalized estimate.

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

Typically about 4-16 lb, depending on sex and genetics.

At what age is a Maltipoo full grown?

Usually around 9-10 months.

Maltipoo at a glance

Adult weight: 5-20 lb
Size: toy
Full grown: 9-10 months

Puppy weight calculator →