BMI Result: 6ft 5in, 336 lbs (BMI 39.8) - Male

According to CDC and WHO standards, a BMI of 39.8 is classified as Obese.

Quick answer: A 6ft 5in male weighing 336 lbs has a BMI of 39.8, classified as Obese by CDC and WHO standards. The healthy weight range for this height is approximately 156–210 lbs.

A male who is 6ft 5in tall and weighs 336lbs has a BMI of 39.8, which falls into the Obese category used by the CDC and WHO for adults.

39.8
Obese
⚠️ BMI is a screening tool, not a diagnostic. It does not measure body fat directly. Learn more about how BMI is used.
Underweight Normal Overweight Obese
CategoryBMI Range
Underweight< 18.5
Obese ≥ 30
Obese≥ 30

Healthy weight range for 6ft 5in: 156 lbs – 210 lbs

Metric: 195.6 cm, 152.4 kg

📏 Healthy waist circumference for your height: 35" – 40" (below 40" for male)

So you're 6ft 5in and weigh 336lbs. Your BMI is 39.8, which falls into the Obese category according to CDC and WHO standards. Let's break down what this means for your health.

Adult BMI classification: CDC & WHO standard (effective 1998-present).

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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.

Source: CDC Adult BMI Guidelines (2024)

What This Means for Your Height

For men over 6ft, BMI may overestimate body fat due to higher muscle mass. Consider waist circumference and body fat percentage for a more accurate assessment.

Weight & Threshold

Gaining approximately 1.7 lbs would bring your BMI to 40, the start of the next category.

⬇️ Losing approximately 82.7 lbs would bring you to the Overweight BMI threshold.

Waist & Health

The CDC recommends that men keep waist circumference below 40 inches. A waist-to-height ratio below 0.5 is also associated with lower health risks.

Source: CDC Adult BMI Guidelines (2024)

Age Context

For adults 45-64, metabolic health becomes increasingly important. At 59 years old, a man at 6ft 5in and 336lbs has a BMI of 39.8, which falls into the Obese category.

At age 59, 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

A BMI of 39.8 for a male with height 6ft 5in and weight 336lbs falls into the Obese category.

Recommendations

General Health

A BMI of 39.8 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 males stay under 40 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

Goals

For a man at 6ft 5in, the CDC recommends a healthy weight range of 156-210lbs. At 336lbs, you're above this range. Working with a healthcare provider to set a safe weight loss goal is recommended.

Diet & Nutrition

At 6ft 5in and 336lbs, a BMI of 39.8 falls into the obesity category for men. Working with a registered dietitian to develop a structured, sustainable eating plan is recommended.

Always consult a healthcare provider for personalized medical advice.

Frequently Asked Questions

What else should I track besides BMI for a 6ft 5in man?
In addition to BMI, waist circumference and body composition give a clearer picture of health. For a man at 6ft 5in, keeping waist size below 40 inches is an important goal supported by CDC research.
How common is a BMI of 39.8 for a 6ft 5in man?
According to CDC data, about 25-30% of men have a BMI in the Obese category. At 6ft 5in and 336lbs, your BMI of 39.8 is within this range.
What health risks are associated with a BMI of 39.8 for a 6ft 5in man?
For a man at 6ft 5in with a BMI of 39.8 (Obese), the obesity range is associated with a 50-60% higher risk of cardiovascular disease and type 2 diabetes. Regular check-ups and monitoring are recommended.
How do I calculate my BMI at 6ft 5in and 336lbs?
BMI is calculated as weight (lbs) × 703 ÷ height (in)². For a 6ft 5in man at 336lbs, the calculation is 336 × 703 ÷ 77² = 39.8, which is Obese.

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Related Tools & Articles

💡 About this calculation: BMI = (336 × 703) ÷ (77 × 77) = 39.8 | Metric: 195.6 cm, 152.4 kg

📖 Recommended reading:

Based on CDC and WHO adult BMI standards. This information is for educational purposes and does not replace professional medical advice.

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

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