BMI Chart & Table
Our comprehensive adult BMI Chart and BMI Table provides an instant visual reference for adult men and women. Look up your Body Mass Index (BMI) category across standard metric ranges (kg & cm) and imperial units (lbs & inches) aligned with World Health Organization (WHO) and CDC population standards.
BMI Chart & Table
BMI Chart & Table
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WHO Official Adult BMI Scales
BMI Chart for Adults – Height & Weight Lookup Table (kg & cm)
Our comprehensive adult BMI Chart and BMI Table provides an instant visual reference for adult men and women. Look up your Body Mass Index (BMI) category across standard metric ranges (kg & cm) and imperial units (lbs & inches) aligned with World Health Organization (WHO) and CDC population standards.
Standard Metric & Imperial BMI Chart Formulas
BMI = kg / m²Metric: BMI = Weight (kg) / [Height (m)]² | Imperial: BMI = [Weight (lbs) / Height (inches)²] × 703
Official WHO BMI Categories Chart & Table for Adults (Men & Women)
Severe underweight risk threshold
Moderate underweight reference range
Mild underweight reference range
Optimal healthy baseline range for adults
(Asian cutoff: 23.0 kg/m²)
Class I obesity screening reference
Class II obesity screening reference
Severe Class III obesity screening threshold
| Category / Level | Reference Range / Metric | Reference Context |
|---|---|---|
| Severe Thinness | < 16.0 kg/m² | Severe underweight risk threshold |
| Moderate Thinness | 16.0 – 16.9 kg/m² | Moderate underweight reference range |
| Mild Thinness | 17.0 – 18.4 kg/m² | Mild underweight reference range |
| Normal / Healthy Weight | 18.5 – 24.9 kg/m² | Optimal healthy baseline range for adults |
| Overweight (Pre-obese) | 25.0 – 29.9 kg/m² | (Asian cutoff: 23.0 kg/m²) |
| Obesity Class I | 30.0 – 34.9 kg/m² | Class I obesity screening reference |
| Obesity Class II | 35.0 – 39.9 kg/m² | Class II obesity screening reference |
| Obesity Class III (Severe) | ≥ 40.0 kg/m² | Severe Class III obesity screening threshold |
Frequently Asked Questions
What is a BMI Chart and how do I read it?
A BMI chart is a visual reference grid that cross-references height and weight to display standard Body Mass Index classifications defined by the World Health Organization (WHO).
Is the BMI chart different for men and women?
Standard WHO BMI charts use identical reference categories (18.5 to 24.9 kg/m² for normal weight) for both adult men and women, although biological sex influences body-fat distribution.
How does the BMI chart vary by age in adults and seniors?
While standard adult BMI categories apply from age 20 onward, geriatric health guidelines suggest that older adults (65+) may benefit from slightly higher BMI ranges (22 to 27 kg/m²) for longevity protection.
What is the BMI chart in kg and cm?
A metric BMI chart lists height in centimeters (cm) and weight in kilograms (kg), allowing you to identify your BMI zone without manual mathematical unit conversions.
What are the main categories of the official BMI chart?
The official WHO BMI categories are: Underweight (< 18.5), Normal Weight (18.5 – 24.9), Overweight (25.0 – 29.9), Obese Class I (30.0 – 34.9), Obese Class II (35.0 – 39.9), and Obese Class III (≥ 40.0).
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Body Mass Index (BMI) & Population Health Reference Guidance
How Do I Calculate My BMI & Related Metrics?
You can evaluate your Body Mass Index (weight / height²) alongside your Basal Metabolic Rate (BMR), Total Daily Energy Expenditure (TDEE), and Waist-to-Height Ratio (WHtR). This provides educational context that accounts for muscle density, age, and waist-to-height reference proportions.
How Does Standard BMI Work?
Standard BMI calculators use a mathematical formula recognized by WHO and CDC. Standard BMI measures total body mass relative to height. Real BMI presents BMI alongside complementary estimates and population-reference ranges for additional educational context.
How Do Multiple Metrics Provide Broader Context?
No single number paints a complete picture of an individual's body composition. Combining standard BMI with Waist-to-Height Ratio (WHtR) and WHO Asian cutoffs (23.0 kg/m² for overweight) provides additional context for body composition and abdominal fat reference indicators.
Is a BMI of 25 Realistic?
For muscular athletes, BMI may be higher because BMI does not distinguish muscle mass from fat mass.
Body Mass Index (BMI) & Population Health Guidelines
According to published literature from public health authorities (including the WHO and CDC), maintaining a Body Mass Index (BMI between 18.5 and 24.9 kg/m²) aligns with standard population reference baselines. Real BMI provides educational screening references aligned with these guidelines.
What is the Real BMI Platform and How Does it Work?
Real BMI is the name of this website and brand platform. Our suite presents standard Body Mass Index (BMI) calculations alongside complementary educational metrics — including Basal Metabolic Rate (BMR), Total Daily Energy Expenditure (TDEE), and Waist-to-Height Ratio — to provide broader context. Real BMI is our website entity, while Body Mass Index (BMI) is the underlying health reference metric.
Is BMI Accurate for Everyone? The Athlete & Muscle Paradox
While standard Body Mass Index formulas (weight/height²) apply universally, muscle density differs significantly from adipose tissue. Muscular athletes or weightlifters may register higher BMI values despite having low body fat percentage, because dense muscle weighs more than fat volume. Waist-to-height ratio can provide additional context alongside BMI, particularly when BMI may not reflect body composition.
Why WHO Recommends Lower BMI Cutoffs for Asian & South Asian Populations
World Health Organization (WHO) published consensus recommends lower BMI cutoff thresholds for Asian and South Asian populations: 23.0 kg/m² for overweight reference (vs. 25.0 kg/m² standard) due to higher relative body fat at lower body mass indexes.
BMI Calculation Formula: Metric (kg/m²) vs. Imperial (lbs/in²)
Our online Real BMI Calculator supports both metric and imperial measurements. In metric, the formula is: BMI = weight (kg) / [height (m)]². In imperial units, the formula is: BMI = [weight (lb) / height (in)²] x 703.
Using BMI for Weight-Management Planning
Estimated calorie needs can be used as one planning reference. Individual weight-management strategies vary, and modest energy adjustments alongside balanced nutrition and physical activity are commonly explored.