Body Fat Estimate Calculator
Use the Body Fat Estimate Calculator to estimate body-fat percentage from circumference measurements as a clear general estimate, not a diagnosis or medical advice.
Body Fat Estimate Calculator
Tool inputs are not stored, and private values stay out of analytics.
Result
How it works
Enter the requested values, check the units, then run the Body Fat Estimate Calculator for a copyable informational estimate.
The tool works by applying a circumference-based U.S. Navy-style logarithmic estimate. The result is a general estimate that cannot account for every individual factor and does not replace a clinician. Inputs stay in the browser.
Examples
Practical example
Height, waist, and neck measurements produce a general percentage estimate.
Method and source
Uses a transparent arithmetic estimate and displays its assumptions; it is not a diagnosis or individualized recommendation.
FAQ
How do I use the Body Fat Estimate Calculator?
Enter accurate measurements, calculate, and read the safety note shown with the result.
Is this a medical diagnosis?
No. The result is informational only and does not diagnose a condition or replace a healthcare professional.
Are health inputs stored?
No. Processing stays in the browser and field values are not sent to analytics or the database.