BMI Calculator

Calculate your Body Mass Index (BMI) instantly. A reliable tool to help you understand your weight relative to your height.

cm
kg
info

BMI is a screening tool, not a diagnostic one. It doesn't account for muscle mass, bone density, or overall body composition.

Your Result

22.9

Healthy Weight
18.5 25.0 30.0

Category

Normal

Ideal Range

58kg - 76kg

BMI Prime

0.92

Ponderal Index

13.1

Understanding the Formula

Metric Formula

weight (kg) / [height (m)]²

Imperial Formula

703 × weight (lb) / [height (in)]²

The BMI calculation is a straightforward mathematical ratio. For metric units, your height in meters is squared and divided into your body weight in kilograms.

Weight Categories (WHO)

  • Underweight
    < 18.5
  • Healthy weight
    18.5 – 24.9
  • Overweight
    25.0 – 29.9
  • Obese Class I
    30.0 – 34.9
  • Obese Class II+
    ≥ 35.0

Your Health is More Than a Number

While BMI is a useful starting point, factors like age, gender, ethnicity, and muscle mass play a significant role in your overall wellbeing. Always consult a healthcare professional for a complete assessment.