BMI and Waist Measurement
Simple measurements of weight, height and waist that estimate health risks from body weight.
Quick Summary
To screen for underweight, overweight and obesity.
Body mass index (BMI) and waist circumference.
Wear light clothing; remove shoes.
Overview
For Asian Indians, health risks start at lower BMI levels.
Waist size shows fat around the tummy, which matters for diabetes and heart risk.
What It Measures
BMI
Weight (kg) divided by height (m) squared.
Waist
Measured at the navel level.
How It's Performed
- 01
Weight
On calibrated scales.
- 02
Height
Standing straight.
- 03
Waist
Measured after breathing out.
Reference Ranges
Note: Normal ranges vary by laboratory. Consult your report for the specific reference used.
| Parameter | Typical Range (Adult) | Units |
|---|---|---|
| BMI (healthy, Indian adults) | 18.5–22.9 | kg/m² |
| Waist (men) | Below 90 | cm |
| Waist (women) | Below 80 | cm |
Interpreting Results & Next Steps
Discuss with Doctor
Your doctor will explain what your result means and what happens next.
If values are Low:
A BMI below 18.5 is underweight.
If values are High:
For Indian adults, BMI 23–24.9 is overweight and 25 or more is obesity.
Sources and further reading
Last updated 21 October 2026. For more detail, see these trusted health organisations.
- Obesity Screening(opens in a new tab) · MedlinePlus, US National Library of Medicine