Calculators
BMI Calculator
Calculate Body Mass Index
Enter Details
kg
cm
Results
Enter weight and height to calculate
BMI Categories
Underweight
0 - 18.5
Normal
18.5 - 25
Overweight
25 - 30
Obese Class I
30 - 35
Obese Class II
35 - 40
Obese Class III
40 - 40+
Why Use BMI Calculator?
- ✓100% Free - No hidden costs or premium features
- ✓No Signup Required - Start using instantly without creating an account
- ✓Privacy First - All processing happens in your browser. Your data never leaves your device
- ✓Lightning Fast - Instant results with no server delays
How to Use
- Enter or paste your text in the input area above
- The tool will automatically process your input
- Copy the result or download it as a file
Features
- ✓BMI calculation
- ✓Health category indication
- ✓Ideal weight range
- ✓Visual BMI chart
- ✓Metric and Imperial units
- ✓Age-adjusted recommendations
Frequently Asked Questions
What is a healthy BMI range?
A healthy BMI is between 18.5 and 24.9. Below 18.5 is underweight, 25-29.9 is overweight, and 30+ is obese.
How accurate is BMI?
BMI is a general indicator but doesn't account for muscle mass, bone density, or body composition. Athletes may have high BMI despite being healthy.