BMI Calculator
Calculate your Body Mass Index and check your weight status
BMI Calculation Examples
Adult Male
Height: 175 cm
Weight: 70 kg
Age: 30 years
BMI: 22.9
Normal weight range
Adult Female
Height: 162 cm
Weight: 55 kg
Age: 25 years
BMI: 21.0
Normal weight range
Senior Adult
Height: 168 cm
Weight: 75 kg
Age: 65 years
BMI: 26.6
Slightly overweight
BMI Calculation Formulas
Metric Formula
BMI = weight (kg) / height² (m²)
Example:
Weight: 70 kg
Height: 1.75 m
BMI = 70 / (1.75 × 1.75) = 22.9
Imperial Formula
BMI = 703 × weight (lb) / height² (in²)
Example:
Weight: 154 lb
Height: 69 in
BMI = 703 × 154 / (69 × 69) = 22.9
BMI Categories
Underweight: < 18.5
Normal: 18.5 - 24.9
Overweight: 25 - 29.9
Obese: ≥ 30
Benefits & Features
Our BMI calculator provides essential benefits for health monitoring:
Health Assessment
- Weight category identification
- Health risk evaluation
- Body composition insights
- Weight range calculation
- Progress tracking
Personalized Insights
- Age-specific analysis
- Gender considerations
- Height-weight correlation
- Ideal weight range
- Health recommendations
Health Planning
- Goal setting assistance
- Progress monitoring
- Health trend analysis
- Lifestyle suggestions
- Fitness planning
Frequently Asked Questions
What is BMI and why is it important?
BMI (Body Mass Index) is important because:
- Screens for weight categories and health risks
- Widely used by healthcare professionals
- Simple and standardized measurement
- Helps track weight management progress
- Indicates potential health risks
What are the limitations of BMI?
BMI has several limitations:
- Doesn't measure body fat directly
- May not be accurate for athletes
- Varies by age, gender, and ethnicity
- Doesn't account for muscle mass
- Not suitable for pregnant women
How often should I check my BMI?
Recommended frequency depends on goals:
- Weight management: Monthly
- General health: Every 6 months
- After lifestyle changes
- During fitness programs
- As advised by healthcare provider
What BMI is considered healthy?
Healthy BMI ranges:
- Normal weight: 18.5-24.9
- Varies by age and gender
- Different for certain ethnicities
- Consider other health factors
- Consult healthcare provider
How can I improve my BMI?
Healthy ways to improve BMI:
- Balanced, nutritious diet
- Regular physical activity
- Adequate sleep and stress management
- Gradual lifestyle changes
- Professional guidance when needed