Leffler formula (estimation of Ideal body weight for children 0–10 years of age)


The term body weight is used colloquially and in the biological and medical sciences to refer to a person’s mass or weight. Body weight is one way of determining a person’s health. The Leffler formula is used for children.

Related formulas


mThe number of kilograms the child weighs (dimensionless)
ay The number of years old the child is (dimensionless)