BMI Calculator

Calculate your Body Mass Index (BMI) instantly. Enter your height and weight below to determine your BMI and find out which category you fall into. This calculator uses the standard BMI formula: weight (kg) / height² (m).

About BMI Calculation

Body Mass Index (BMI) is a simple measurement using your weight and height to work out if your weight is healthy. The BMI calculation divides an adult's weight in kilograms by their height in metres squared.

Features

  • Instant BMI calculation
  • Multiple unit support (metric/imperial)
  • BMI category classification
  • Health recommendations
  • Weight range calculator
  • Mobile-friendly interface
  • Privacy-focused

BMI Categories

Standard Weight Status

  • Underweight: < 18.5
  • Normal weight: 18.5–24.9
  • Overweight: 25–29.9
  • Obesity: ≥ 30.0

Applications

Personal Health

  • Weight monitoring
  • Health assessment
  • Fitness planning
  • Nutrition guidance
  • Progress tracking

Healthcare

  • Patient screening
  • Health risk assessment
  • Treatment planning
  • Research studies
  • Population health

Fitness Industry

  • Client assessment
  • Goal setting
  • Progress monitoring
  • Training programs
  • Nutrition planning

Important Notes

  • BMI is a general guide
  • Doesn't account for muscle mass
  • Not suitable for children
  • Consult healthcare providers
  • Consider other health factors

Related Tools

  • Body Fat Calculator
  • Calorie Calculator
  • Weight Converter
  • Height Converter
  • Health Tools