Chinese boys 0-5.5 years old weight and height standard table Newborn: Weight (kg): Mean 3.3 SD 0.38 Height (cm): 50.4 SD 1.7 February: Weight (kg): Mean 6.16 SD 0.72 Height (cm): 60.4 SD 2.4 April: Weight (kg): Mean 7.56 SD 0.81 Height (cm): 65.1 SD 2.2 June: Weight (kg): Mean 8.62 SD 0.94 Height (cm): 69.2 SD 2.4 August: Weight (kg): Mean 9.19 SD 1.00 Height (cm): 72.0 SD 2.5 October: Weight (kg): Mean 9.65 SD 1.04 Height (cm): 74.6 SD 2.6 12 months: Weight(kg): Mean 10.16 SD 1.04 Height(cm): 77.3 SD 2.7 18 months: Weight(kg): Mean 11.25 SD 1.09 Height(cm): 82.7 SD 3.2 2 years: Weight(kg): Mean 12.57 SD 1.28 Height(cm): 89.1 SD 3.4 2.5 Age 3: Weight (kg): Mean 13.56 SD 1.33 Height (cm): 93.3 SD 3.5 Age 3: Weight (kg): Mean 14.42 SD 1.51 Height (cm): 96.8 SD 3.7 Age 3.5: Weight (kg): Mean 15.37 SD 1.55 Height (cm): 100.2 SD 3.8 Age 4: Weight (kg) : Mean 16.23 SD 1.77 Height(cm): 103.7 SD 4.1 4.5 years: Weight(kg): Mean 17.24 SD 1.94 Height(cm): 107.1 SD 4.1 5 years: Weight(kg): Mean 18.34 SD 2.13 Height(cm): 110.5 SD 4.2 5.5 years: Weight(kg). Mean 19.38 SD 2.25 Height (cm): 113.7 SD 4.5