C4
Calculator4You

BMI for Children Calculator

Calculate BMI percentile for children aged 2-20 based on age, gender, weight and height.

How to Use This BMI for Children Calculator

  1. 1Enter child's age and gender
  2. 2Enter weight in kg and height in cm
  3. 3Click Calculate
  4. 4See BMI and percentile category

Formula

BMI = Weight(kg) / Height(m)² then mapped to age/gender percentile ranges

Frequently Asked Questions

Related Calculators

About BMI for Children Calculator

Assess a child's weight status using BMI-for-age percentiles. Unlike adult BMI, children's BMI must account for age and gender-specific growth patterns.