| WHtR | Considerations |
|---|---|
| Less than 0.4 | Take Care (possibly underweight) |
| 0.4 - 0.49 | Healthy, No Action Needed |
| 0.5 - 0.59 | Consider Action |
| ≥ 0.6 | Take Action |
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What does this mean for you?
Take action:
A Waist-to-Height Ratio (WHtR) of 0.6 or above places you at high risk of obesity-related health conditions and could highly impact your heart health. It's suggested that you take action to manage your weight and heart health, by talking to your doctor. Download our conversation guide to help start a positive conversation with your doctor about your heart health.
| BMI kg/m2 | Description |
|---|---|
| 18.5 | Underweight |
| 18.5 - 24.9 | Normal |
| 25.0 - 29.9 | Overweight |
| 30.0 - 34.9 | Obesity Class I |
| 35.0 - 39.9 | Obesity Class II |
| ≥ 40 | Obesity Class III |
HQ25OB00148
References
- Ashwell, Margaret. (2011). Charts Based on Body Mass Index and Waist-to-Height Ratio to Assess the Health Risks of Obesity: A Review. The Open Obesity Journal. 311. 78-84. 10.2174/1876823701103010078.
- Overweight and obesity management (2025) NICE. Available at: https://www.nice.org.uk/guidance/ng246
- Department of Health & Human Services (1999) Body mass index (BMI), Better Health Channel. Available at: https://www.betterhealth.vic.gov.au/health/healthyliving/body-mass-index-bmi#where-to-get-help