BMI Result: 5ft 8in, 266 lbs (BMI 40.4) - Female
According to CDC and WHO standards, a BMI of 40.4 is classified as Obese.
A female who is 5ft 8in tall and weighs 266lbs has a BMI of 40.4, which falls into the Obese category used by the CDC and WHO for adults.
| Category | BMI Range |
|---|---|
| Underweight | < 18.5 |
| Obese | ≥ 30 |
| Obese | ≥ 30 |
Healthy weight range for 5ft 8in: 122 lbs – 164 lbs
Metric: 172.7 cm, 120.7 kg
📏 Healthy waist circumference for your height: 30" – 35" (below 35" for female)
So you're 5ft 8in and weigh 266lbs. Your BMI is 40.4, which falls into the Obese category according to CDC and WHO standards. Let's break down what this means for your health.
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Change your height or weight to see how your BMI changes.
Understanding Your BMI
A BMI of 30 or above indicates obesity. The CDC reports that this range is associated with a 50-60% higher risk of cardiovascular disease and type 2 diabetes. Comprehensive lifestyle intervention and medical guidance are strongly recommended.
What This Means for Your Height
For women of average height, BMI is a reliable screening tool. Pair it with waist circumference for a more complete health picture.
Weight & Threshold
Losing approximately 2.6 lbs would bring your BMI to 40, the boundary of the healthy weight range.
⬇️ Losing approximately 68.4 lbs would bring you to the Overweight BMI threshold.
Waist & Health
The CDC recommends that non-pregnant women keep waist circumference below 35 inches. A waist-to-height ratio below 0.5 is also associated with lower health risks.
Age Context
For adults 45-64, metabolic health becomes increasingly important. At 62 years old, a woman at 5ft 8in and 266lbs has a BMI of 40.4, which falls into the Obese category.
At age 62, maintaining a healthy weight is particularly important. Research shows that adults over 45 with a BMI in the obese range have a significantly higher risk of metabolic syndrome and cardiovascular disease.
👉 Calculate your Body Fat Percentage for a more complete health assessment.
👉 Try our Athlete BMI Calculator if you have higher muscle mass.
Health Analysis
Recommendations
General Health
A BMI of 40.4 is in the obesity range defined by the CDC and WHO. This range is associated with a higher risk of cardiovascular disease and type 2 diabetes. Comprehensive lifestyle intervention and medical guidance are strongly recommended.
Monitoring
In addition to BMI, pay attention to waist circumference. The CDC recommends females stay under 35 inches. Regular tracking of your measurements over time provides the most useful insight into your health trends.
Next Steps
If you're concerned about your weight or body composition, a healthcare provider can offer personalized guidance based on your full health profile.
Personalized Notes
Physical Activity
For a woman at 5ft 8in, start with low-impact activities like swimming or stationary cycling to protect your joints while building stamina. Consult your doctor before starting any new exercise program.
Health Risks
With a BMI of 40.4 for a 5ft 8in woman, the obesity range is associated with a 50-60% higher risk of cardiovascular disease and type 2 diabetes. Comprehensive lifestyle intervention and medical guidance are strongly recommended.
Frequently Asked Questions
How do I calculate my BMI at 5ft 8in and 266lbs?
What percentage of women have a BMI of 40.4 at 5ft 8in?
How does a BMI of 40.4 affect health for a 5ft 8in woman?
How can a 5ft 8in woman maintain a healthy weight?
Related Tools & Articles
💡 About this calculation: BMI = (266 × 703) ÷ (68 × 68) = 40.4 | Metric: 172.7 cm, 120.7 kg
📖 Recommended reading:
Editorial Review: This page was generated by the BMI Calculator Web Editorial Team and reviewed at template and content-pool level for accuracy and guideline alignment by Dr. Sarah K. Johnson, PhD, RD. All content is aligned with current WHO, CDC, and NIH guidelines.
Published: 2026-08-18