BMI Calculator - Body Mass Index

BMI (Body Mass Index) is a measure of body fat based on height and weight that applies to adult men and women.

BMI is a useful screening tool but doesn't directly measure body fat. Consult a healthcare provider for health assessments.

BMI Calculator

Metric (kg/cm)

Imperial (lb/ft)

Height (cm)

Weight (kg)

Underweight: <18.5

Normal: 18.5–24.9

Overweight: 25–29.9

Obese: 30+

Overview

Free BMI calculator. Calculate your Body Mass Index using height and weight. Supports both metric and imperial units.

Calculate your Body Mass Index using metric or imperial measurements.

Common workflows

Use the simple calculator for quick arithmetic and the scientific calculator for trig, powers, and logs.
Calculate percentages for pricing changes, discount checks, and reporting summaries.
Estimate BMI for fast health metric checks using standard height and weight inputs.

FAQ

BMI (Body Mass Index) is a measure of body fat based on height and weight that applies to adult men and women.

BMI is a useful screening tool but doesn't directly measure body fat. Consult a healthcare provider for health assessments.