BMI Calculator

Free BMI Calculator Online

Calculate your Body Mass Index instantly using height and weight. Check BMI category, healthy weight range, and wellness guidance.

BMI Calculator

Your BMI Result

Your BMI 22.9
Normal Weight
Underweight
Normal
Overweight
Obese
Healthy Range 18.5 - 24.9
Status Normal

Your BMI is within the healthy range.

What is BMI Calculator?

A BMI Calculator is a free online health tool that helps calculate Body Mass Index using height and weight. BMI is commonly used to estimate whether a person is underweight, normal weight, overweight, or obese.

This BMI Calculator supports both metric and imperial units and provides instant results with a visual BMI meter and healthy range.

How to Calculate BMI?

BMI is calculated using this formula:

BMI = Weight (kg) ÷ Height² (m²)

For example, if your weight is 70 kg and your height is 1.75 m:

BMI = 70 ÷ (1.75 × 1.75) = 22.9

BMI Categories

  • Below 18.5 = Underweight
  • 18.5 - 24.9 = Normal Weight
  • 25 - 29.9 = Overweight
  • 30+ = Obese

Benefits of Using BMI Calculator

  • Instant BMI calculation
  • Healthy weight tracking
  • Body weight awareness
  • Useful for fitness goals
  • Helps maintain healthy lifestyle

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Frequently Asked Questions

What is a healthy BMI?

A healthy BMI for most adults is between 18.5 and 24.9.

Is BMI Calculator free?

Yes, this online BMI Calculator is completely free.

Does BMI measure body fat?

No, BMI estimates weight category but does not directly measure body fat.