Educational only — not medical advice. See full disclaimer. Disclaimer

Medical disclaimer

This tool is for informational and educational purposes only. It does not constitute medical advice, diagnosis, or treatment. Always consult your doctor or qualified healthcare professional before making any health-related decisions. Results are estimates only.

Last medically reviewed: March 2026

Content last updated: March 30, 2026

BMI calculator

Body mass index (BMI) is weight divided by height squared. It screens population-level weight status but misses muscle mass, bone density, and fat distribution.

Live calculation

Result

24.2

Category: Normal range

This tool is for informational and educational purposes only. It does not constitute medical advice, diagnosis, or treatment. Always consult your doctor or qualified healthcare professional before making any health-related decisions. Results are estimates only.
U.S. adult BMI categories (illustrative prevalence)

Rounded snapshot of how BMI categories are distributed among U.S. adults in national surveys. Your BMI category is separate from population shares. Educational illustration only — not a diagnosis or personal target.

Approximate U.S. adult distribution from CDC/NCHS NHANES-style summaries (20+ years). Figures are rounded for illustration; see cdc.gov/nchs for the latest published prevalence tables.

Sources, formulas & further reading

Based on: WHO/CDC adult BMI (kg/m²) screening categories.

For additional clinical context, see independent references from the publishers below (WHO, CDC, PubMed, Medscape, ACE, ACOG, NIH, NCBI, USDA — as applicable).