BMI Calculator

Calculate your Body Mass Index from height and weight.

About BMI

Body Mass Index is a quick screening tool for body weight categories. It does not measure body fat directly and may overestimate it in muscular people, but it remains a useful first indicator for the general population.

FAQ — BMI Calculator

Is BMI accurate for athletes?
Not always — muscle mass can push BMI into the "overweight" range despite low body fat. Athletes should also use a body fat measurement.