1. What is US Navy BMI?

Definition: Body Mass Index (BMI) is a measure of body fat based on height and weight that applies to adult men and women.

Purpose: The US Navy uses BMI as one of several screening tools to assess body composition standards for service members.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( BMI \) — Body Mass Index (kg/m²)
• \( W \) — Weight (kilograms)
• \( H \) — Height (meters)

Explanation: Your weight in kilograms is divided by the square of your height in meters.

3. US Navy BMI Standards

Details: The US Navy has specific BMI requirements for enlistment and service:

• Maximum BMI for enlistment: 27.5 (ages 17-20), 27.0 (21-27), 26.5 (28-39), 26.0 (40+)
• Service members exceeding these may require additional body fat assessment

4. Using the Calculator

Tips: Enter your weight in kilograms and height in meters. All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: What if I know my weight in pounds and height in inches?
A: First convert pounds to kg (divide by 2.205) and inches to meters (multiply by 0.0254).

Q2: Is BMI the only measurement the Navy uses?
A: No, the Navy also uses waist circumference and body fat percentage measurements.

Q3: What BMI is considered healthy?
A: Generally, 18.5-24.9 is normal, 25-29.9 is overweight, and 30+ is obese.

Q4: Why does the Navy have BMI standards?
A: To ensure service members meet physical readiness requirements for duty.

Q5: Can I join if my BMI is slightly above the limit?
A: You may qualify with a body fat measurement below Navy standards.