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⚖️ BMI Calculator
Calculate your BMI using metric or imperial units. Instantly check if you are underweight, normal, overweight, or obese.
BMI Calculator
Calculate BMI with classification bands, healthy weight targets, and report exports for progress tracking.
BMI22.9Normal
Healthy target range56.66-76.26 kgWithin target range
018.525303540+
| Range | Category | Context |
|---|---|---|
| 0-18.4 | Underweight | Potential nutrition deficit risk |
| 18.5-24.9 | Normal | Typical healthy range |
| 25-29.9 | Overweight | Elevated cardiometabolic risk |
| 30-34.9 | Obesity class I | High risk category |
| 35-39.9 | Obesity class II | Very high risk category |
| 40+ | Obesity class III | Severe risk category |
How to use this tool
- Choose metric or imperial input units.
- Review BMI score, category, and healthy-weight guidance.
- Export CSV/JSON snapshots for progress tracking.
Interpretation
- BMI is a screening metric and not a direct body-fat measurement.
- Athletes, pregnancy, and medical factors can make BMI less representative.
- Use category changes over time as a directional signal, not diagnosis.
Workflow
- Target-range output helps set realistic weight goals.
- Copy summary is useful for clinician check-ins.
- CSV/JSON exports can feed coaching spreadsheets or health logs.
FAQ
- Is BMI enough for health assessment?
- No. Use it alongside waist, labs, and clinical guidance.
- Can I switch units after input?
- Yes, but values are not auto-converted; enter values for the selected unit system.
- Does this store my data?
- No. Calculations are local in your browser.
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