Math & Numbers
BMI Calculator
Enter your height and weight to find your Body Mass Index and health range.
Enter your height and weight to instantly calculate your BMI and see which category you fall into — underweight, normal, overweight, or obese. Supports both metric (kg/cm) and imperial (lbs/inches) units.
Features
Metric & Imperial
Works with kg/cm or lbs/ft-in — switch between them freely.
BMI Categories
See if you're underweight, normal weight, overweight, or obese.
Healthy Range
Shows the healthy weight range for your height.
Instant Result
BMI calculated as soon as you enter values.
How to Calculate BMI
- Choose metric or imperial units.
- Enter your height and weight.
- Your BMI and category appear immediately.
FAQ
What is a healthy BMI?▾
A BMI between 18.5 and 24.9 is considered normal/healthy for adults. Below 18.5 is underweight; 25-29.9 is overweight; 30+ is obese.
Is BMI accurate for everyone?▾
BMI is a general screening tool. It may not accurately reflect health for athletes, elderly people, or certain ethnic groups. Consult a healthcare provider for personalized assessment.
BMI Ranges
- < 18.5 → Underweight
- 18.5 – 24.9 → Normal weight
- 25 – 29.9 → Overweight
- ≥ 30 → Obese
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