BMI Result: 5ft 11in, 321 lbs (BMI 44.8) - Male

According to CDC and WHO standards, a BMI of 44.8 is classified as Obese.

Quick answer: A 5ft 11in male weighing 321 lbs has a BMI of 44.8, classified as Obese by CDC and WHO standards. The healthy weight range for this height is approximately 133–179 lbs.

A male who is 5ft 11in tall and weighs 321lbs has a BMI of 44.8, which falls into the Obese category used by the CDC and WHO for adults.

44.8
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 5ft 11in: 133 lbs – 179 lbs

Metric: 180.3 cm, 145.6 kg

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

So you're 5ft 11in and weigh 321lbs. Your BMI is 44.8, 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 of average height, BMI is a reliable screening tool. The CDC recommends keeping waist circumference below 40 inches to minimize health risks.

Weight & Threshold

Losing approximately 34.4 lbs would bring your BMI to 40, the boundary of the healthy weight range.

⬇️ Losing approximately 106.1 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 in early to middle adulthood (20-44), BMI is a reliable screening tool. At 37 years old, a man at 5ft 11in and 321lbs has a BMI of 44.8, 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

A BMI of 44.8 for a male with height 5ft 11in and weight 321lbs falls into the Obese category.

Recommendations

General Health

A BMI of 44.8 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

Health Risks

With a BMI of 44.8 for a 5ft 11in man, the obesity range is associated with a 40-50% higher risk of cardiovascular disease and type 2 diabetes. Comprehensive lifestyle intervention and medical guidance are strongly recommended.

Monitoring

At 5ft 11in, schedule a comprehensive health checkup with your doctor. For men at this height, the CDC recommends keeping waist circumference below 40 inches. Regular monitoring of blood pressure and blood sugar is also important.

Always consult a healthcare provider for personalized medical advice.

Frequently Asked Questions

How do I calculate my BMI at 5ft 11in and 321lbs?
BMI is calculated as weight (lbs) × 703 ÷ height (in)². For a 5ft 11in man at 321lbs, the calculation is 321 × 703 ÷ 71² = 44.8, which is Obese.
What health risks are associated with a BMI of 44.8 for a 5ft 11in man?
For a man at 5ft 11in with a BMI of 44.8 (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 can a 5ft 11in man maintain a healthy weight?
For a man at 5ft 11in, maintaining weight around 132-178lbs is recommended. Work with a registered dietitian to create a sustainable meal plan focusing on whole, unprocessed foods.
What percentage of men have a BMI of 44.8 at 5ft 11in?
The CDC reports that approximately 25-30% of men fall into the Obese BMI category. Your BMI of 44.8 at 5ft 11in and 321lbs places you there.

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💡 About this calculation: BMI = (321 × 703) ÷ (71 × 71) = 44.8 | Metric: 180.3 cm, 145.6 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: 2026-09-05

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