BMI Result: 6ft 5in, 345 lbs (BMI 40.9) - Female
According to CDC and WHO standards, a BMI of 40.9 is classified as Obese.
A female who is 6ft 5in tall and weighs 345lbs has a BMI of 40.9, 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 6ft 5in: 156 lbs – 210 lbs
Metric: 195.6 cm, 156.5 kg
📏 Healthy waist circumference for your height: 30" – 35" (below 35" for female)
So you're 6ft 5in and weigh 345lbs. Your BMI is 40.9, which falls into the Obese category according to CDC and WHO standards. Let's break down what this means for your health.
Adjust Your Numbers
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 over 5ft 11in, BMI may slightly underestimate body fat due to higher bone density. Muscle mass is also a factor—consider body fat percentage as a complementary measure.
Weight & Threshold
Losing approximately 7.6 lbs would bring your BMI to 40, the boundary of the healthy weight range.
⬇️ Losing approximately 91.9 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 in early to middle adulthood (20-44), BMI is a reliable screening tool. At 33 years old, a woman at 6ft 5in and 345lbs has a BMI of 40.9, which falls into the Obese category according to CDC and WHO standards.
Your BMI falls into the obesity category. Comprehensive lifestyle intervention and medical guidance are strongly recommended.
👉 Check your Healthy Weight Range for more context.
👉 Measure your Body Fat Percentage for a more complete picture.
Health Analysis
Recommendations
General Health
A BMI of 40.9 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
Diet & Nutrition
At 6ft 5in and 345lbs, a BMI of 40.9 falls into the obesity category for women. Working with a registered dietitian to create a sustainable meal plan is recommended. Focus on whole, unprocessed foods and gradual changes.
Health Risks
With a BMI of 40.9 for a 6ft 5in 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 6ft 5in and 345lbs?
How can a 6ft 5in woman maintain a healthy weight?
Is 345lbs overweight for a 6ft 5in woman?
What percentage of women have a BMI of 40.9 at 6ft 5in?
Related Tools & Articles
💡 About this calculation: BMI = (345 × 703) ÷ (77 × 77) = 40.9 | Metric: 195.6 cm, 156.5 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: 2026-10-11