BMI Calculator India
Asian Cutoffs · WHO Comparison · Waist Risk · Adult & Child
Why Indian BMI Cutoffs Are Different
Research shows that South Asians including Indians develop insulin resistance, diabetes, and cardiovascular disease at lower BMI values compared to Caucasians. At the same BMI, Indians have higher body fat percentage and more visceral (abdominal) fat. The WHO Expert Consultation (2004) and Consensus Statement for Diagnosis of Obesity (India, 2009) therefore recommend lower cutoffs for Asian Indians.
Indian vs WHO BMI Cutoffs
| Category | Indian Cutoff | WHO Cutoff |
|---|---|---|
| Underweight | < 18.5 | < 18.5 |
| Normal | 18.5 – 22.9 | 18.5 – 24.9 |
| Overweight | 23.0 – 24.9 | 25.0 – 29.9 |
| Obese Class I | 25.0 – 29.9 | 30.0 – 34.9 |
| Obese Class II | ≥ 30.0 | ≥ 35.0 |
Waist Circumference Cutoffs for Indians
Abdominal obesity is a stronger risk predictor than BMI alone. Indian-specific cutoffs are: Men: ≥ 90 cm (high risk), Women: ≥ 80 cm (high risk). These are lower than Western cutoffs (102 cm for men, 88 cm for women).
Frequently Asked Questions
What is the BMI cutoff for overweight in India?
In India, overweight is defined as a BMI ≥ 23 kg/m². This is lower than the WHO standard of 25 because Indians and South Asians develop metabolic complications at lower BMI values.
What is the BMI cutoff for obesity in India?
In India, obesity is defined as a BMI ≥ 25 kg/m². The WHO standard for obesity is BMI ≥ 30. Indian guidelines use lower cutoffs due to higher body fat percentages and metabolic risk at a lower BMI.
What is normal BMI for Indians?
The normal, healthy BMI range for Indians is 18.5 to 22.9 kg/m². This range is much narrower than the WHO normal range of 18.5–24.9.
What is the healthy waist size for Indian men and women?
For Indian men, waist circumference should be below 90 cm. For Indian women, below 80 cm. Higher values indicate abdominal obesity and an increased risk of diabetes and heart disease.
How is BMI calculated?
BMI = Weight (kg) ÷ Height² (m²). For example, a person weighing 70 kg with height 1.70 m has BMI = 70 ÷ (1.70 × 1.70) = 24.2 kg/m².
Is BMI accurate for Indians?
BMI is a useful screening tool but has limitations. Indians tend to have higher body fat at the same BMI compared to Caucasians. Waist circumference measurement alongside BMI gives a more complete picture of metabolic risk.