Understand BMI, how it is calculated and why it is only a screening measure.
Why this matters
Online calculators make routine decisions faster, but the quality of the result depends on correct inputs and the right formula.
Practical tips
- Check units before calculating.
- Use realistic values.
- Compare multiple scenarios.
- Verify high-stakes decisions with a professional.
Final thoughts
Use calculators as decision-support tools, not as a substitute for professional advice.