Based on the CDC "Learn the Signs. Act Early." milestones (2022), which list what 75% or more of children can do by each age. If your child misses milestones or loses skills, talk to your doctor early.
| Age | Key milestones (examples) |
|---|---|
| 2 months | Smiles at people; Holds head up during tummy time |
| 4 months | Smiles to get your attention; Holds head steady without support |
| 6 months | Laughs; Rolls from tummy to back |
| 9 months | Sits without support; Makes sounds like "mamamama" |
| 12 months | Pulls up to stand; Waves "bye-bye" |
| 15 months | Takes a few steps alone; Points to ask for something |
| 18 months | Walks without holding on; Scribbles |
| 2 years | Kicks a ball; Points to things in a book |
| 3 years | Talks in short conversations; Avoids touching hot objects when warned |
| 4 years | Says what comes next in a story; Catches a large ball most of the time |
| 5 years | Tells a story with at least two events; Hops on one foot |
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Milestones are skills like smiling, rolling over, sitting, walking and talking that most children reach around the same age. Enter your child's date of birth to see the milestones for their age and the ones coming next.
The lists follow the CDC's 2022 'Learn the Signs. Act Early.' milestones, which show what at least 75% of children can do at each age — so if your child hasn't reached one, it's a reason to talk to your doctor early.
| Date of Birth | 15 Jul 2025 |
| Born at (weeks of pregnancy) | 40 weeks |
| Age used | 15 months 4 days |
| By 15 months, most children | Takes a few steps alone · Says one or two words besides mama/dada · Points to ask for something · Uses fingers to feed herself |
| Coming next (by 18 months) | Walks without holding on · Tries to say three or more words · Scribbles · Drinks from a cup without a lid |
| Next check-up milestone date | Thu, 14 Jan 2027 |
15 months 4 days.
Try this example →| Date of Birth | 15 Jan 2024 |
| Born at (weeks of pregnancy) | 40 weeks |
| Age used | 2 years 9 months |
| By 2 years, most children | Kicks a ball · Says at least two words together ("more milk") · Points to things in a book · Eats with a spoon |
| Coming next (by 3 years) | Talks in short conversations · Puts on some clothes · Avoids touching hot objects when warned · Draws a circle when shown |
| Next check-up milestone date | Fri, 15 Jan 2027 |
2 years 9 months.
Try this example →Most roll from tummy to back by about 6 months.
By about 9 months.
Most take first steps between 12 and 15 months and walk well by 18 months.
Yes, until about 2 years — enter the weeks at birth and the calculator adjusts.