TOOLS · WEIGHT LOSS
BMI calculator
Body Mass Index in kg/m², the most-used reference metric, and also the most misunderstood.
- Takes 30 seconds
- Shows where you sit on the scale
- Explains what BMI doesn't tell you
Discover what treatment could do for you
Health risk thresholds vary between ethnic groups.
BMI is a population approximation. It doesn't tell muscle from fat and isn't decisive for an individual diagnosis.
Is BMI accurate for everyone?
No. It doesn't distinguish muscle from fat, and risk thresholds vary between ethnic groups.
What BMI do I need for weight-loss treatment?
Generally 30 or above, or 27 and above with a weight-related condition.
How often should I check it?
Monthly is plenty.
Talk to a doctor about your case
Calculators are a guide. A licensed doctor evaluates your full picture.
Start consultation · €25 / monthNo charge unless a doctor approves your treatment.
All content on this page has been medically reviewed by: Dr. Alejandro Infante, General medicine, on 27 July 2026. Registration: 080869277 View profile
Pay nothing if a doctor doesn't approve your treatment. Every consultation is fully refundable. How refunds work