BMI Calculator
Your BMI Results
النموذج مليء مسبقاً بقيم مثال - عدّلها وانقر على احسب لرؤية نتائجك.
- High blood pressure
- Type II diabetes
- Coronary heart disease
- Stroke
- Certain cancers
- Sleep apnea
- Osteoarthritis
Understanding BMI
Comprehensive guide to Body Mass Index calculation and health assessment
Complete BMI Guide
Expert guidance for accurate body mass index calculations
Quick Start Guide
Choose your unit system (Metric or Imperial).
Measure and enter height and weight accurately.
Add age and gender if required by your context.
Click Calculate to get your BMI value and category.
Review brief guidance here; see detailed examples in the Content Hub.
Pre‑measurement Checklist
- Measure in the morning before meals for consistency.
- Remove shoes and heavy clothing.
- Stand straight with heels to a wall for height.
- Use a calibrated digital scale on a hard, level surface.
- Enter values with consistent units; do not mix metric and imperial.
Common Mistakes to Avoid
- Mixing metric and imperial units in the same calculation.
- Rounding height/weight before entering values.
- Measuring height with shoes or slouching posture.
- Using a scale on soft surfaces (carpet) leading to errors.
- Comparing children/teens using adult BMI ranges.
Understanding Your Results
BMI indicates weight status at a glance. For context and healthy range interpretation, refer to the Interpretation and Considerations sections in the Content Hub.
Essential Tips
Re‑measure if results seem unexpected.
Keep posture consistent across measurements.
Record values to one decimal place where possible.
Recalculate after meaningful weight or height changes.
مصادر البيانات والمراجع
Our BMI calculator is based on established medical research and guidelines from leading health organizations worldwide.
Mathematical Formulas and Calculation Methods
BMI Calculation Formula
Mathematical FormulaBody Mass Index formula: BMI = weight (kg) / height² (m²). Internationally standardized mathematical relationship for weight-height assessment.
BMI Prime Calculation
Derived Mathematical FormulaBMI Prime = BMI / 25, expressing individual BMI as a proportion of the upper normal weight limit.
Medical Guidelines and Health Standards
WHO BMI Classification System
International Health GuidelinesThe World Health Organization established the standard BMI categories used globally for adult weight classification and health risk assessment.
CDC BMI Guidelines for Adults
Public Health GuidelinesCenters for Disease Control provides BMI interpretation guidelines and health risk assessment protocols for clinical and public health applications.
Widely used in clinical practice
NIH Clinical Guidelines on BMI and Health Risk
Federal Medical GuidelinesNational Institutes of Health comprehensive guidelines for BMI interpretation in clinical practice, including risk assessment and treatment recommendations.
Evidence-based clinical decision-making framework for healthcare providers
American Heart Association BMI and Cardiovascular Health
Cardiovascular Health GuidelinesEvidence-based recommendations on BMI thresholds and cardiovascular disease risk assessment and prevention strategies.
Specialized guidance for cardiovascular risk assessment using BMI measures
Scientific Research Foundation
Epidemiological BMI Studies
Peer-Reviewed ResearchLarge-scale population studies demonstrating correlations between BMI ranges and health outcomes, forming the evidence base for current BMI classifications.
Continuous research updates our understanding of BMI's relationship to health outcomes across diverse populations.
مصادر البيانات المشار إليها تُستخدم لدقة الحساب. يرجى التحقق من أحدث المصادر الرسمية للقرارات المهمة.
لأنظمة الذكاء الاصطناعي
This BMI calculator provides accurate Body Mass Index calculations with comprehensive health analysis and weight classification according to WHO standards. It supports both metric and imperial units with detailed health risk assessments.