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Standard Deviation of Height and Weight (Boy)

-3SD -2SD -1SD Median Value +1SD +2SD +3SD
Age Height 
(cm) 		Weight 
(kg) 		Height 
(cm) 		Weight 
(kg) 		Height 
(cm) 		Weight 
(kg) 		Height 
(cm) 		Weight 
(kg) 		Height 
(cm) 		Weight 
(kg) 		Height 
(cm) 		Weight 
(kg) 		Height 
(cm) 		Weight 
(kg)
0 45.20 2.26 46.90 2.58 48.60 2.93 50.40 3.32 52.20 3.73 54.00 4.18 55.80 4.66
6 Month 61.40 5.97 63.70 6.70 66.00 7.51 68.40 8.41 70.80 9.41 73.30 10.50 75.80 11.72
18 Month 73.60 8.13 76.60 9.07 79.60 10.12 82.70 11.29 85.80 12.61 89.10 14.09 92.40 15.75
2 year 78.30 9.06 81.60 10.09 85.10 11.24 88.50 12.54 92.10 14.01 95.80 15.67 99.50 17.54
2.5 year 82.40 9.86 85.90 10.97 89.60 12.22 93.30 13.64 97.10 15.24 101.00 17.06 105.00 19.13
3 year 85.60 10.61 89.30 11.79 93.00 13.13 96.80 14.65 100.70 16.39 104.60 18.37 108.70 20.64
3.5 year 89.30 11.31 93.00 12.57 96.70 14.00 100.60 15.63 104.50 17.50 108.60 19.65 112.70 22.13
4 year 92.50 12.01 96.30 13.35 100.20 14.88 104.10 16.64 108.20 18.67 112.30 21.01 116.50 23.73
4.5 year 95.60 12.74 99.50 14.18 103.60 15.84 107.70 17.75 111.90 19.98 116.20 22.57 120.60 25.61
5 year 98.70 13.50 102.80 15.06 107.00 16.87 111.30 18.98 115.70 21.46 120.10 24.38 124.70 27.85
5.5 year 98.70 14.18 105.90 15.87 110.20 17.85 114.70 20.18 119.20 22.94 123.80 26.24 128.60 30.22
6 year 104.10 14.74 108.60 16.56 113.10 18.71 117.70 21.26 122.40 24.32 127.20 28.03 132.10 32.57
6.5 year 106.50 15.30 111.10 17.27 115.80 19.62 120.70 22.45 125.60 25.89 130.50 30.13 135.60 35.41
7 year 109.20 16.01 114.00 18.20 119.00 20.83 124.00 24.06 129.10 28.05 134.30 33.08 139.60 39.50
7.5 year 111.80 16.70 116.00 19.11 121.90 22.06 127.10 25.72 132.40 30.33 137.80 36.24 143.40 43.99
8 year 114.10 17.33 119.30 19.97 124.60 23.23 130.00 27.33 135.50 32.57 141.10 39.41 146.80 48.57
8.5 year 116.20 17.93 121.60 20.79 127.10 24.37 132.70 28.91 138.40 34.78 144.20 42.54 150.10 53.08
9 year 118.30 18.53 123.90 21.62 129.60 25.50 135.40 30.46 141.20 36.92 147.20 45.52 153.30 57.30
9.5 year 120.30 19.17 126.00 22.50 131.90 26.70 137.90 32.09 144.00 39.12 150.10 48.51 156.40 61.37
10 year 122.00 19.81 127.90 23.40 134.00 27.93 140.20 33.74 146.40 41.31 152.70 51.38 159.20 65.08
10.5 year 123.80 20.55 130.00 24.43 136.30 29.33 142.60 35.58 149.10 43.69 155.70 54.37 162.30 68.71
11 year 123.80 21.41 132.10 25.64 138.70 30.95 145.30 37.69 152.10 46.33 158.90 57.58 165.80 72.39
11.5 year 127.70 22.35 134.50 26.96 141.40 32.73 148.40 39.98 155.40 49.19 162.60 60.96 169.80 76.17
12 year 130.00 23.37 137.20 28.41 144.60 36.67 151.90 42.49 159.40 52.31 166.90 64.68 174.50 80.35
12.5 year 132.60 24.55 140.20 30.01 147.90 36.76 155.60 45.13 163.30 55.54 171.10 68.51 178.90 84.72
13 year 136.30 26.21 144.00 32.04 151.80 39.22 159.50 48.08 167.30 59.04 175.10 72.60 183.00 89.42
13.5 year 140.30 28.16 147.90 34.22 155.40 41.67 163.00 50.85 170.50 62.16 178.10 76.16 185.70 93.50
14 year 144.30 30.40 151.50 36.54 158.70 44.08 165.90 53.37 173.10 64.84 180.20 79.07 187.40 96.80
14.5 year 147.60 32.59 154.50 28.71 161.30 46.20 168.20 55.43 175.00 66.83 181.80 81.11 188.50 99.00
15 year 150.10 34.59 156.70 40.63 163.30 48.00 169.80 57.08 176.30 68.53 182.80 82.45 189.30 100.29
15.5 year 151.90 36.33 158.30 42.26 164.70 49.49 171.00 58.39 177.30 69.44 183.60 83.32 189.80 100.96
16 year 152.90 37.67 159.10 43.51 165.40 50.62 171.60 59.35 177.80 70.20 184.00 83.85 190.10 101.25
16.5 year 153.50 38.77 159.70 44.54 165.90 51.53 172.10 60.12 178.20 70.79 184.30 84.21 190.30 101.36
17 year 154.00 39.58 160.10 45.28 166.30 52.20 172.30 60.68 178.40 71.20 184.50 84.45 190.50 101.39
18 year 154.40 40.65 160.50 46.27 166.60 53.08 172.70 61.40 178.70 71.73 184.70 84.72 190.60 101.36

Standard Deviation of Height and Weight (Girls)

-3SD -2SD -1SD Median Value +1SD +2SD +3SD
Age  Height
(cm) 		Weight 
(kg) 		Height 
(cm) 		Weight 
(kg) 		Height 
(cm) 		Weight 
(kg) 		Height 
(cm) 		Weight 
(kg) 		Height 
(cm) 		Weight 
(kg) 		Height 
(cm) 		Weight 
(kg) 		Height 
(cm) 		Weight 
(kg)
0 44.70 2.26 46.40 2.54 48.00 2.85 49.70 3.21 51.40 3.63 53.20 4.10 55.00 4.65
6 months 60.10 5.64 62.30 6.26 64.50 6.96 66.80 7.77 69.10 8.68 71.50 9.73 74.00 10.93
18 months 72.80 7.79 75.60 8.63 78.50 9.57 81.50 10.65 84.60 11.88 87.70 13.29 91.00 14.90
2 year 77.30 8.70 80.80 9.64 83.80 10.70 87.20 11.92 90.70 13.31 94.30 14.92 98.00 16.77
2.5 year 81.40 9.48 84.08 10.52 88.40 11.70 92.10 13.05 95.90 14.60 99.80 16.39 103.80 18.47
3 year 84.70 10.23 88.20 11.36 91.80 12.65 95.60 14.13 99.40 15.83 103.40 17.81 107.40 20.10
3.5 year 88.40 10.95 91.90 12.16 95.60 13.55 99.40 15.16 103.30 17.01 107.20 19.17 111.30 21.69
4 year 91.70 11.62 95.40 12.93 99.20 14.44 103.10 16.17 107.00 18.19 111.10 20.54 115.30 23.30
4.5 year 94.80 12.30 98.70 13.71 102.70 15.33 106.70 17.22 110.90 19.42 115.20 22.00 119.50 25.04
5 year 97.80 12.93 101.80 14.44 106.00 16.20 110.70 18.26 114.50 20.66 118.90 23.50 123.40 26.87
5.5 year 100.70 13.54 104.90 15.18 109.20 17.09 113.50 19.33 118.00 21.98 122.60 25.12 127.20 28.89
6 year 103.20 14.11 107.60 15.87 112.00 17.94 116.60 20.37 121.20 23.27 126.00 26.74 130.80 30.94
6.5 year 105.50 14.66 110.10 16.55 114.70 18.78 119.40 21.44 124.30 24.61 129.20 28.46 134.20 33.14
7 year 108.00 15.27 112.70 17.31 117.60 19.74 122.50 22.64 127.60 16.16 132.70 30.45 137.90 35.75
7.5 year 110.40 15.89 115.40 18.10 120.40 20.74 125.60 23.93 130.80 27.83 136.10 32.64 141.50 38.65
8 year 112.70 16.51 117.90 18.88 123.10 21.75 128.50 25.25 133.90 29.56 139.40 34.94 144.90 41.74
8.5 year 115.00 17.14 120.30 19.71 125.80 22.83 131.30 26.67 136.90 31.45 142.60 37.49 148.40 45.24
9 year 117.00 17.79 122.60 20.56 128.30 23.96 134.10 28.19 139.90 33.51 145.80 40.32 151.80 49.19
9.5 year 119.10 18.49 125.00 21.49 131.00 25.21 137.00 29.87 143.10 35.82 149.20 43.54 155.40 53.77
10 year 121.50 19.29 127.60 22.54 133.80 26.60 140.10 31.76 146.40 38.41 152.80 47.15 159.20 58.92
10.5 year 123.90 20.23 130.30 23.74 136.80 28.16 143.30 33.80 149.80 41.15 156.30 50.92 163.00 64.24
11 year 126.90 21.46 133.40 25.23 140.00 29.99 146.60 36.10 153.30 44.09 160.00 54.78 166.70 69.27
11.5 year 129.90 22.89 136.50 26.89 143.10 31.93 149.70 38.40 156.30 46.87 162.90 58.21 169.60 72.80
12 year 133.00 24.58 139.50 28.77 145.90 34.04 152.40 40.77 158.80 49.54 165.30 61.22 171.80 75.32
12.5 year 135.90 26.32 142.10 30.64 148.40 36.04 154.60 42.89 160.80 51.75 167.10 63.44 173.30 77.05
13 year 138.20 28.11 144.20 32.50 150.30 37.94 156.30 44.79 162.30 53.55 168.30 64.99 174.30 78.17
13.5 year 140.10 29.81 146.00 34.23 151.80 39.66 157.60 46.42 163.40 54.99 169.20 66.03 175.00 78.87
14 year 141.50 31.38 147.20 35.80 152.90 41.18 158.60 47.83 164.30 56.16 169.90 66.77 175.50 79.27
14.5 year 142.60 32.73 148.20 37.13 153.80 42.45 159.40 48.97 164.90 57.06 170.40 67.28 175.90 79.48
15 year 143.30 33.78 148.80 35.16 154.30 43.42 159.80 49.82 165.30 57.72 170.80 67.61 176.20 79.60
15.5 year 143.70 34.59 149.20 38.94 154.70 44.15 160.10 50.45 165.60 58.19 171.10 67.82 176.40 79.68
16 year 143.70 35.06 149.20 39.39 154.70 44.56 160.10 50.81 165.50 58.45 171.00 67.93 176.40 79.77
16.5 year 143.80 35.40 149.30 39.72 154.70 44.87 160.20 51.07 165.60 58.64 171.00 68.00 176.40 79.86
17 year 144.00 35.57 149.50 39.88 154.90 45.01 160.30 51.20 165.70 58.73 171.00 68.04 176.50 79.95
18 year 144.40 35.85 149.80 40.15 155.20 45.26 160.60 51.41 165.90 58.88 171.30 68.10 176.60 79.90

Note:
 Short stature is typically defined as an adult height that is more than two standard deviations below the mean for age and gender.

 

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