2 years 6 mo

30 Month Old Baby Development

2.5 years — language and social skills grow fastest now.

11.1 - 17.4 kgWEIGHT
87 - 100 cmLENGTH
48 - 53 cmHEAD SIZE

Ranges cover most babies this age. To see where your baby sits, use the percentile calculator.

What can a 30 month old do?

  • Understands 250+ words, says 100+
  • 3-4 word sentences
  • Distinguishes I/you/them
  • Stands on one foot 1-2 sec
  • Run-jump combo
  • Names basic emotions
  • Daytime potty success grows

Feeding

  • Carbs: whole grains, bulgur, quinoa
  • Omega-3: walnut butter, flaxseed, fish
  • When they say "enough", it's enough
  • Homemade oatmeal balls > cookies
  • Allow time for slow eating
  • Protein:carb:veg ratio 1:1:2

Sleep

Sleeps 10-13 hours; naps 3-4 days a week.

Tips for you

  • Time to consult a specialist for speech delay concerns
  • Art activities build fine motor skills
  • Explain death/loss age-appropriately if it comes up
  • Teach sharing and waiting turn
  • Routines reinforce security
  • Screens off 1 hour before bed
Tip of the month: Age 2.5 is when spoken language grows fastest.

Frequently asked questions

How much should a 30 month old weigh?

A typical weight range for a 30 month old is 11.1 - 17.4 kg, with length around 87 - 100 cm and head circumference around 48 - 53 cm. Following their own growth curve matters more than any single measurement.

How much does a 30 month old sleep?

Sleeps 10-13 hours; naps 3-4 days a week.

What should a 30 month old be doing?

Understands 250+ words, says 100+. 3-4 word sentences. Distinguishes I/you/them. Stands on one foot 1-2 sec. Every baby develops at their own pace, and differences of a few weeks are normal.

Every baby develops at their own pace. This is general guidance; talk to your pediatrician about any concerns.

Baby development by month