The waist-to-hip ratio (WHR) is a simple calculation that offers insights into your health risks. It’s a measure of fat distribution, and studies suggest that where you carry your weight is as important as how much you weigh. The ketogenic diet, with its focus on fat adaptation, may influence this ratio over time.
How to Calculate Your Waist-to-Hip Ratio
To calculate your WHR, you’ll need a measuring tape. Stand straight and measure the circumference of your waist at its narrowest point, usually just above your belly button. Then, measure the circumference of your hips at their widest point. Make sure the tape is snug but not compressing your skin. Divide your waist measurement by your hip measurement. The result is your WHR.
For example, if your waist is 81 cm and your hips are 97 cm, your WHR is 81/97 = 0.84.
What a Healthy Waist-to-Hip Ratio Looks Like
Generally, a WHR of 0.8 or less is considered healthy for women, and 0.9 or less is considered healthy for men. A higher WHR suggests that you carry more weight around your abdomen, which is associated with increased health risks. It is important to note that these are general guidelines, and individual health status should always be discussed with a healthcare professional.
Why WHR Matters
A higher WHR is correlated with an increased risk of several health problems. People with more abdominal fat, sometimes called visceral fat, are more prone to insulin resistance and metabolic syndrome. This is because visceral fat is metabolically active, releasing hormones and other substances that can negatively impact health. Carbohydrate restriction has been shown to improve metabolic syndrome independent of weight loss [CITATION: 4]. Understanding the role of insulin resistance in weight loss can help you interpret your WHR in the context of your overall health.
WHR and the Ketogenic Diet
The ketogenic diet, which involves drastically reducing carbohydrate intake and increasing fat consumption, can influence body composition. As the body adapts to using fat for fuel, it may start to draw on stored fat reserves, including visceral fat. While the ketogenic diet is not specifically designed to target abdominal fat, it can be an effective tool for weight management and improving metabolic health. A meta-analysis of randomised controlled trials showed that very-low-carbohydrate ketogenic diets are effective for long-term weight loss [CITATION: 1].
What this means in practice
Imagine it’s a typical drizzly Saturday in Manchester, and you’re doing your weekly shop at Tesco. You pick up some avocados, olive oil, and salmon – all keto staples. While you’re there, grab a measuring tape for £4.50. Taking regular WHR measurements can help you track your progress on the ketogenic diet and give you a more nuanced understanding of your body composition than just looking at the numbers on the scale. The NHS website offers guidance on healthy weight management.
Frequently asked questions
How often should I measure my WHR?
You can measure your WHR every few weeks or monthly to track changes in your body composition. Consistency is key for accurate monitoring.
Is WHR more important than BMI?
WHR provides different information than BMI. BMI is a measure of overall weight relative to height, while WHR assesses fat distribution. Both metrics can be useful, but WHR may offer a more specific indication of metabolic risk.
Can I improve my WHR?
Yes, lifestyle changes such as adopting a balanced diet, engaging in regular physical activity, and managing stress can help improve your WHR. The ketogenic diet is one potential dietary approach.
Does WHR vary with age?
WHR tends to increase with age as body composition changes. It’s important to consider age-related norms when interpreting your WHR.
The bottom line
The waist-to-hip ratio is a simple yet valuable tool for assessing your health risks. It provides insights into fat distribution and can be a useful metric to track alongside weight and BMI. While the ketogenic diet may help improve your WHR by promoting fat loss, it’s essential to adopt a holistic approach to health. If you’re curious about other health metrics, explore blood glucose and ketone monitoring. If you’d rather not do the macro maths yourself, the macro calculator in the Keto Dieting app does it for you on Google Play and the App Store.
References
- Bueno NB, de Melo IS, de Oliveira SL, da Rocha Ataide T (2013). Very-low-carbohydrate ketogenic diet v. low-fat diet for long-term weight loss: a meta-analysis of randomised controlled trials. British Journal of Nutrition. https://doi.org/10.1017/S0007114513000548
- Hyde PN, Sapper TN, Crabtree CD, et al. (2019). Dietary carbohydrate restriction improves metabolic syndrome independent of weight loss. JCI Insight. https://doi.org/10.1172/jci.insight.128308
