Age Weight (kg) Length/height (cm) Head circumference (cm) Chest cirumference (cm)
Birth 3 50 34 31 (3 cm less than HC)
3 months 60 40 (2 cm/month)
6 months 6 (x2) 65 43 (1 cm/month)
1 year 9 (x3) 75 46 (0.5 cm/month) 46 (equal)
2 years 12 (x4) 90 48
3 years 15 (x5) 95 49
4 years 16 100 50
6 years 18 (x6)
7 years 21 (x7)
10 years 30 (x10)
12 years 52
Adult 170-180 52