Body Fat Calculator (Navy Method) Guide

Use a soft tape and measure under consistent conditions: same time of day, same posture, and normal breathing.

For male mode, use neck and waist. For female mode, add hip. Keep the tape level and snug but not compressing the skin.

The tool estimates body fat percentage, fat mass, and lean body mass. Recheck every 4 to 8 weeks and track trend, not single-point noise.

Use body fat results with BMI Calculator and TDEE Calculator for better nutrition planning context.

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