Boys
Height: 134.9 - 170.3 cm
The growth of a boy at the age of 12 is normally 134.9 - 170.3 cm
| Height | Weight norm |
|---|---|
| 135 cm | 28.8 - 36.4 kg |
| 136 cm | 29.2 - 36.9 kg |
| 137 cm | 29.6 - 37.4 kg |
| 138 cm | 30.1 - 38.0 kg |
| 139 cm | 30.5 - 38.5 kg |
| 140 cm | 30.9 - 39.1 kg |
| 141 cm | 31.4 - 39.7 kg |
| 142 cm | 31.8 - 40.2 kg |
| 143 cm | 32.3 - 40.8 kg |
| 144 cm | 32.7 - 41.4 kg |
| 145 cm | 33.2 - 41.9 kg |
| 146 cm | 33.7 - 42.5 kg |
| 147 cm | 34.1 - 43.1 kg |
| 148 cm | 34.6 - 43.7 kg |
| 149 cm | 35.1 - 44.3 kg |
| 150 cm | 35.5 - 44.9 kg |
| 151 cm | 36.0 - 45.5 kg |
| 152 cm | 36.5 - 46.1 kg |
| 153 cm | 37.0 - 46.7 kg |
| 154 cm | 37.4 - 47.3 kg |
| 155 cm | 37.9 - 47.9 kg |
| 156 cm | 38.4 - 48.5 kg |
| 157 cm | 38.9 - 49.2 kg |
| 158 cm | 39.4 - 49.8 kg |
| 159 cm | 39.9 - 50.4 kg |
| 160 cm | 40.4 - 51.1 kg |
| 161 cm | 40.9 - 51.7 kg |
| 162 cm | 41.4 - 52.3 kg |
| 163 cm | 41.9 - 53.0 kg |
| 164 cm | 42.5 - 53.6 kg |
| 165 cm | 43.0 - 54.3 kg |
| 166 cm | 43.5 - 55.0 kg |
| 167 cm | 44.0 - 55.6 kg |
| 168 cm | 44.6 - 56.3 kg |
| 169 cm | 45.1 - 57.0 kg |
| 170 cm | 45.6 - 57.6 kg |
Girls
Height: 137.6 - 171.8 cm
The growth of a girl at 12 years old is normally 137.6 - 171.8 cm
| Height | Weight norm |
|---|---|
| 138 cm | 30.4 - 39.6 kg |
| 139 cm | 30.8 - 40.2 kg |
| 140 cm | 31.3 - 40.8 kg |
| 141 cm | 31.7 - 41.4 kg |
| 142 cm | 32.2 - 42.0 kg |
| 143 cm | 32.6 - 42.5 kg |
| 144 cm | 33.1 - 43.1 kg |
| 145 cm | 33.5 - 43.7 kg |
| 146 cm | 34.0 - 44.4 kg |
| 147 cm | 34.5 - 45.0 kg |
| 148 cm | 34.9 - 45.6 kg |
| 149 cm | 35.4 - 46.2 kg |
| 150 cm | 35.9 - 46.8 kg |
| 151 cm | 36.4 - 47.4 kg |
| 152 cm | 36.9 - 48.1 kg |
| 153 cm | 37.3 - 48.7 kg |
| 154 cm | 37.8 - 49.3 kg |
| 155 cm | 38.3 - 50.0 kg |
| 156 cm | 38.8 - 50.6 kg |
| 157 cm | 39.3 - 51.3 kg |
| 158 cm | 39.8 - 51.9 kg |
| 159 cm | 40.3 - 52.6 kg |
| 160 cm | 40.8 - 53.3 kg |
| 161 cm | 41.4 - 53.9 kg |
| 162 cm | 41.9 - 54.6 kg |
| 163 cm | 42.4 - 55.3 kg |
| 164 cm | 42.9 - 56.0 kg |
| 165 cm | 43.4 - 56.6 kg |
| 166 cm | 44.0 - 57.3 kg |
| 167 cm | 44.5 - 58.0 kg |
| 168 cm | 45.0 - 58.7 kg |
| 169 cm | 45.6 - 59.4 kg |
| 170 cm | 46.1 - 60.1 kg |
| 171 cm | 46.6 - 60.8 kg |
You can use the BMI calculator to get a more accurate estimate of your child's age and height.
