Estimate body mass index and an approximate body-fat range from height and weight. Free, no signup, runs in your browser.
Estimates only — not financial, tax, or medical advice. Read disclaimer.
What is this tool?
Estimate body mass index and an approximate body-fat range from height and weight.
How to Use
- Choose units (cm/kg or ft/lb).
- Enter height and weight accurately.
- Read BMI value and category label.
- Review the estimated body-fat range if shown.
Frequently Asked Questions
Is BMI wrong for athletes?
Muscular builds can read “overweight” despite low fat — use professional assessment if unsure.
What about children?
This adult calculator is not for paediatric growth charts.
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