BMI (Body Mass Index) Calculator Online
Assess health benchmarks using the WHO Body Mass Index formula. Enter height and weight in metric (cm/kg) or imperial (ft/lbs) to receive instant BMI score and classification.
Zero server upload · Secure client-side execution
Your BMI Score
22.9
Normal weight
<18.5 Underweight18.5–24.9 Normal25–29.9 Overweight30+ Obese
Step-by-Step Guide
How to use BMI (Body Mass Index) Calculator
Follow these simple steps to process your documents directly in your browser.
1
Choose Units
Select Metric (kg/cm) or Imperial (lbs/inches).
2
Input Measurements
Enter current height and weight.
3
Calculate BMI
Instant score calculated via WHO formula.
4
Review Weight Range
Check Healthy, Overweight, or Underweight category.
Key Advantages
Why use Semrush AI Tools for BMI (Body Mass Index) Calculator?
Metric and Imperial unit support
WHO BMI classification breakdown
Calculates healthy target weight range
Answers & Guidance
Frequently Asked Questions about BMI (Body Mass Index) Calculator
Everything you need to know about functionality, privacy, and file limits.
Between 18.5 and 24.9 is considered normal weight.
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