Visual body fat calculator
HealthPick the silhouette that matches your body and estimate body fat percentage, fat mass and lean mass.
Your results
Estimate body fat by comparing with visual references.
How the estimate works
We assign a fixed body fat percentage to each silhouette based on ACE reference ranges. Enter your weight to also get fat mass and lean mass estimates.
How reliable is this?
Visual estimates are less accurate than skinfold or DEXA scans but are useful for tracking changes over time. Consistency matters more than absolute precision.
Frequently asked questions
Answers to the most common questions about this tool.
How is this result calculated?
It uses the method and inputs described on this page to provide an informational estimate.
How accurate is the result?
It is an estimate and should be interpreted as a guide, not an exact measurement.
When should I seek professional advice?
Seek qualified advice for symptoms, pregnancy, illness, medication use, or clinical decisions.
What information do I need to enter?
Enter current, accurate details and select the correct units before calculating.
What can affect this estimate?
Individual factors such as health, activity, body composition, and measurement technique can affect it.
Sources and methodology
Methodology: Visual body-fat estimate
Assigns fixed percentages to chosen silhouettes and calculates fat and lean mass from weight.
Percentages and categories are ToolsRL visual references, not clinical measurements.
References
No external reference is required: the mathematical calculation is described above.
Last reviewed
July 15, 2026