BMI Calculator

BMI Calculator

How to Use This BMI Calculator?

Calculate your Body Mass Index (BMI) quickly and accurately with our free online BMI calculator. Supporting both metric (kg, cm) and imperial (lbs, inches) measurements, this essential health tool helps you understand your body composition and weight category. Whether you’re tracking fitness goals, monitoring health, or consulting with healthcare providers, our calculator provides instant BMI results with categories: underweight, normal weight, overweight, or obese. Get personalized health insights in seconds.

BMI Calculator

Average adult: 150-200 cm
Average adult: 50-100 kg
Your BMI:
BMI Formula: BMI = weight (kg) / (height (m))²
Categories:
Underweight: <18.5 | Normal: 18.5-24.9 | Overweight: 25-29.9 | Obese: ≥30
Ghufran Khan

About Ghufran Khan – Author

Cybersecurity Specialist & Software Developer
I am a cybersecurity specialist and software developer with 17 years of hands-on experience in information technology. Throughout my career, I have tackled complex technical challenges spanning software development to advanced security implementations, giving me a unique perspective on both building and protecting digital systems.
Why This Blog Exists
This blog was born from real frustration and real solutions. During my student years and throughout my professional career, I repeatedly encountered everyday conversion and calculation problems that wasted time and disrupted workflow. Whether it was converting units for project specifications, calculating dates for project deadlines, or formatting data for different systems, these seemingly simple tasks often required multiple tools or manual calculations prone to error.
Rather than continue accepting these inefficiencies, I decided to build the tools I wished existed: practical, accurate, and freely accessible utilities that solve real problems faced by students, developers, IT professionals, and everyday users.