BMI Calculator
Calculate your Body Mass Index (BMI) instantly. Understand your weight category and ideal range.
📏 Metric (cm, kg)
📐 Imperial (ft/in, lbs)
24.2
Normal weight
BMI = weight / (height)²
📊 BMI Categories
- Underweight: < 18.5
- Normal weight: 18.5 – 24.9
- Overweight: 25 – 29.9
- Obese: ≥ 30
BMI is a screening tool; consult a healthcare professional for accurate assessment.
✨ Why Use Our BMI Calculator?
- Two unit systems – Switch between metric (cm/kg) and imperial (ft/in/lbs).
- Instant results – BMI and weight category update as you type.
- Clear category display – Color-coded categories: underweight, normal, overweight, obese.
- Educational info – See BMI categories and what they mean.
- 100% free & private – No signup, all calculations happen in your browser.
Our Most Popular Free Tools
Explore our most used and highly recommended tools designed to make your tasks faster, easier, and more efficient.
