diff --git a/education/nutrition/Energy Balance & Weight Management.md b/education/nutrition/Energy Balance & Weight Management.md
index e469a74..550820f 100644
--- a/education/nutrition/Energy Balance & Weight Management.md	
+++ b/education/nutrition/Energy Balance & Weight Management.md	
@@ -32,4 +32,28 @@
 - Low body temperature
 
 # BMI
-- A numerical value based on the ratio between a person's he
\ No newline at end of file
+- A numerical value based on the ratio between a person's height and weight that is used to **classify a person's weight** and **measure risk for disease**
+- Can be calculated using:
+$$ \dfrac{Weight (kg)}{Height (m)^2} or \dfrac{Weight (lbs)}{Height (in)^2} * 703 $$
+Conversions:
+- Lbs -> Kg: Divide by 2.2
+- Feet -> Inches: Multiply by 12
+- Inches -> Meters: Multiply by 2.54 / 100
+
+## Ranges
+- Underweight: BMI < 18.5
+- Healthy weight: BMI 18.5 - 24.9
+- Overweight: BMI 25.0 - 29.9
+- Obese: BMI >= Obses
+	- Obese Class I: BMI 30-34.9
+	- Obese Class II: BMI 35-39.9
+	- Obese Class III: BMI >=40
+
+## Limitations
+Not always accurate for:
+- Highly muscular individuals
+- Older adults
+- Chronically ill individuals
+- BMI does not take gender, age, race, or activity level into account
+
+## NWO
\ No newline at end of file