Anorexic BMI Calculator

Clinical malnutrition screening tool based on DSM-5 diagnostic criteria evaluating severe, moderate, and mild anorexia nervosa underweight thresholds.

Calculator Inputs

yrs
Age in years.
in
Height in inches.
lbs
Current weight.

Calculated Results

Underweight Severity Classification
Severe Thinness (BMI < 16.0)
Current BMI Score 15.8 kg/m²
Weight Deficit to Normal 21.5 lbs
DSM-5 Severity Grade Severe (Requires Medical Evaluation)
Values calculate live as you adjust inputs.

About Anorexic BMI Calculator

This clinical screening tool compares low body mass against DSM-5 criteria: Mild (BMI 17-18.49), Moderate (BMI 16-16.99), Severe (BMI 15-15.99), and Extreme (BMI < 15).

What is Anorexic BMI Calculator?

This clinical screening tool compares low body mass against DSM-5 criteria: Mild (BMI 17-18.49), Moderate (BMI 16-16.99), Severe (BMI 15-15.99), and Extreme (BMI < 15).

How to Use This Calculator

  1. Input patient height and weight.
  2. The tool evaluates nutritional depletion severity.
  3. Seek immediate compassionate clinical intervention if severe or extreme thinness is detected.

The Mathematical Formula & Variables

BMI = 703 * Weight(lbs) / [Height(in)]^2; Assessed against DSM-5 anorexia severity grades

Variables Definition

Symbol / Variable Name Description
< 17.5 Clinical Cutoff Traditional ICD-10 diagnostic criterion for anorexia nervosa.

Step-by-Step Worked Example

Scenario: Adult 5 ft 6 in (66 in) weighing 98 lbs.

  1. Height squared = 66 * 66 = 4,356.
  2. Weight product = 98 * 703 = 68,894.
  3. BMI = 68,894 / 4,356 = 15.81 kg/m².
  4. Severity: Falls into DSM-5 Severe category (BMI 15.0 – 15.99).

Result: BMI = 15.8 (Severe Clinical Thinness)

Frequently Asked Questions

Is this a formal medical diagnosis?

No. This calculator is strictly an educational screening tool. Anorexia nervosa is a complex psychiatric condition requiring diagnosis and treatment by specialized medical professionals.