Aspire body-composition calculator
Body-fat context.
Place a measured body-fat percentage inside a broad age- and sex-specific reference range without pretending it predicts lifespan.
Compare your measurement.
Use the value from a real measurement and record the method so future tests remain comparable.
Measured body fat
Free report
Email your comparison and measurement notes.
ASPIRE.
Measured result:
Interpretation
Use repeat measurements made with the same method and similar hydration and feeding conditions. The trend can be more useful than one isolated result.
Public evidence
Gallagher et al. healthy percentage body-fat ranges
Body-composition measurement considerations
Method and limitations.
Broad healthy ranges are drawn from age- and sex-specific body-fat research. They are not athletic targets or individual mortality predictions.
Measurement error can be large enough to change the category near a boundary.