BMI Calculator. BMI (body mass index) is a measure of whether you're a healthy weight for your height. Use this BMI calculator to check the adults in your family. For children, go to Weight Concern's Child and young person's body mass index (BMI) calculator. This calculator should only be used by adults (pregnant or lactating women should not ...
Body mass index (BMI) is a calculation that uses height and weight to estimate how much body fat someone has. You can use the KidsHealth BMI calculator below to find your child's BMI. But it's also important to talk to your child's doctor to help understand the results.