Last updated: 4 October 2026
Reviewed by Jordan Morley, FA Level 2 Football Coach
US Navy body fat
Estimated body fat
—
Top picks compared
| Pick | Product | Best for | |
|---|---|---|---|
| Top pick | Withings Body Scan | Analyzes body composition (fat, muscle, water, bone) and provides actionable insights. Gold standard for tracking body fat changes. | Check price → |
| Option | Accu-Measure Fitness Caliper | Manual but accurate fat caliper. Lets you practice the Navy method at home—improves your measurement skill over time. | Check price → |
| Professional | InBody 570 Body Composition Analyzer | Clinical-grade bioimpedance. Most accurate for tracking fat loss vs muscle gain during training. | Check price → |
As an Amazon Associate we earn from qualifying purchases. Prices shown on Amazon at time of click.
Frequently asked questions
How accurate is the tape method?
It's a good tracking tool — consistency matters more than absolute accuracy. DEXA and hydrostatic weighing are the gold standards but cost money.