Waist-to-Height Calculator

Every branch now measures your waist. Find out where you stand in 30 seconds.

Branch Army Marine Corps Navy Air Force Space Force Coast Guard Civilian (general health)

Height

ft in

Waist at your navel (inches) Stand relaxed, tape level around your belly button, snug but not squeezing. Measure after a normal breath out.

Check my ratio

Your numbers stay on your device; nothing is sent or saved.

The standards

• Army, Navy, Air Force, Space Force: waist-to-height ratio under 0.55.
• Marine Corps: 0.52 or less. Above that, a body fat assessment follows.
• Coast Guard: has its own body composition screening; check the current standard with your unit.
• General health guideline for civilians: keep your waist to less than half your height (a ratio under 0.5).

Standards as published by each service, checked October 2026. They change often: always confirm the current standard with your unit or recruiter. This calculator is an estimate, not an official measurement or medical advice. Sources: Army, Marine Corps, Navy, Air Force and Space Force, NICE (general health).

Close to the line?

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