How to calculate a child's standard height?

The height of children aged 2-6 is calculated by multiplying their age by 7+ and 75cm. ; The height of children aged 7- 12 10 is calculated by multiplying their age by 6+ and adding 80 cm. After the age of 20, most children enter puberty, and their growth and development are relatively fast, which cannot be simply calculated by formula. The average annual growth rate is about 78- 10 cm. Parents can record their children's growth curve every three months and pay attention to their growth at any time.

The height of a child can be measured in the following ways:

1, under 3 years old: generally take a lying position, with the top of your head resting on the baffle, the pillow, buttocks and heels clinging to the measuring board, and accurately measure your height through the scale of the measuring board.

Children over 2.3 years old: You can stand with your pillow, hips and heels close to the measuring ruler, and accurately measure your height through the scale of the measuring ruler. When measuring height, pay attention to taking the same time and measuring tool to measure, which can reduce the error.