BMI Result: 6ft 7in, 163 lbs (BMI 18.4) - Male

According to CDC and WHO standards, a BMI of 18.4 is classified as Underweight.

Quick answer: A 6ft 7in male weighing 163 lbs has a BMI of 18.4, classified as Underweight by CDC and WHO standards. The healthy weight range for this height is approximately 164–221 lbs.

A male who is 6ft 7in tall and weighs 163lbs has a BMI of 18.4, which falls into the Underweight category used by the CDC and WHO for adults.

18.4
Underweight
⚠️ 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
Underweight < 18.5
Obese≥ 30

Healthy weight range for 6ft 7in: 164 lbs – 221 lbs

Metric: 200.7 cm, 73.9 kg

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

So you're 6ft 7in and weigh 163lbs. Your BMI is 18.4, which falls into the Underweight 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 below 18.5 may indicate nutritional insufficiency. According to the CDC, this range is associated with increased risk of bone density loss and immune function decline. Consulting a healthcare provider is recommended for a thorough nutritional assessment.

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 0.9 lbs would bring your BMI to 18.5, the start of the next category.

⬆️ Gaining approximately 0.9 lbs would put you in the Normal BMI range.

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 32 years old, a man at 6ft 7in and 163lbs has a BMI of 18.4, which falls into the Underweight category according to CDC and WHO standards.

Your BMI is below the healthy range. Consider consulting a healthcare provider for a nutritional assessment.

👉 Check your Healthy Weight Range for more context.

👉 Measure your Body Fat Percentage for a more complete picture.

Health Analysis

A BMI of 18.4 for a male with height 6ft 7in and weight 163lbs falls into the Underweight category.

Recommendations

General Health

A BMI of 18.4 is below the CDC and WHO healthy range of 18.5-24.9. This may indicate nutritional insufficiency. Consulting a healthcare provider is recommended for a thorough nutritional assessment.

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 7in, the CDC recommends a healthy weight range of 164-221lbs. At 163lbs, you're below this range. Consider setting a goal to gain 5-10% of your current weight over the next 3-6 months.

Monitoring

At 6ft 7in, track your weight weekly. The healthy weight range for men at this height is 164-221lbs. Monitor waist circumference too—the CDC recommends below 40 inches.

Always consult a healthcare provider for personalized medical advice.

Frequently Asked Questions

Am I at a healthy weight at 6ft 7in and 163lbs?
At 6ft 7in and 163lbs, a man's BMI is 18.4, which is Underweight. This is below the CDC's healthy weight range of 18.5-24.9. Consider consulting a healthcare provider.
How can a 6ft 7in man maintain a healthy weight?
For a man at 6ft 7in, maintaining weight around 164-221lbs is recommended. Focus on nutrient-dense foods and eat 5-6 smaller meals throughout the day rather than 3 large ones.
How do I calculate my BMI at 6ft 7in and 163lbs?
BMI is calculated as weight (lbs) × 703 ÷ height (in)². For a 6ft 7in man at 163lbs, the calculation is 163 × 703 ÷ 79² = 18.4, which is Underweight.
How does a BMI of 18.4 affect health for a 6ft 7in man?
At 6ft 7in with a BMI of 18.4 (Underweight), the underweight range is associated with increased risk of bone density loss and immune function decline. Maintaining a healthy lifestyle is key to overall well-being.

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💡 About this calculation: BMI = (163 × 703) ÷ (79 × 79) = 18.4 | Metric: 200.7 cm, 73.9 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: 2026-10-18

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