How old am I in months
How old am I in months? Enter your date of birth to calculate your exact age in total months, plus weeks and days. Tracking age in months is standard practice in pediatrics — the CDC and American Academy of Pediatrics (AAP) schedule well-child visits and developmental screenings based on age in months from birth through 36 months.
Years to Months Conversion Chart
Use this chart to quickly reference how many months old someone is based on their age in years.
| Age (Years) | Age (Months) |
|---|---|
| 0.5 (6 months) | 6 |
| 1 | 12 |
| 1.5 | 18 |
| 2 | 24 |
| 3 | 36 |
| 4 | 48 |
| 5 | 60 |
| 6 | 72 |
| 7 | 84 |
| 8 | 96 |
| 9 | 108 |
| 10 | 120 |
Why Track Age in Months?
According to the CDC developmental milestones and AAP periodicity schedule, tracking age in months is critical for pediatric care during the first 3 years of life.
For Infants and Toddlers: Pediatricians track age in months during the first few years of life. This is more precise than years for monitoring growth, development milestones, and appropriate nutrition. A 6-month-old baby has very different needs than a 12-month-old.
Developmental Milestones: Parents use months to track when their children should reach developmental milestones like rolling over (4-6 months), sitting up (6-8 months), walking (12-15 months), and speaking (12-18 months).
Medical Records: Age in months is standard in pediatric medical records to ensure accurate dosing of medications and identification of developmental concerns.
Related Calculators
Age Calculator
Calculate your exact age in years, months, and days.
How Many Days Old Am I?
Calculate your exact age in days.
How Many Weeks Old Am I?
Find your exact age in weeks.
What Year Was I Born?
Convert your age to your birth year.
Chronological Age Calculator
Calculate age in years, months, and days format.
Frequently Asked Questions
Age in months is more precise for babies and toddlers. Development happens rapidly in the first few years, and months help track progress accurately. Vaccination schedules, feeding guidelines, and developmental milestones are all based on age in months.
Pediatricians typically stop tracking age in months after around 2-3 years old. After age 2, years become the standard unit. However, some may continue using months up to age 3 for detailed developmental tracking.
For premature babies, “corrected age” is calculated from the expected due date rather than birth date. For example, a baby born 2 months early would have a corrected age that’s 2 months less than their chronological age.
Yes, this calculator is accurate. If your child was born prematurely, note their corrected age (from due date) rather than chronological age for medical and developmental purposes.