BMI Result: 6ft 6in, 160 lbs (BMI 18.5) - Male

According to CDC and WHO standards, a BMI of 18.5 is classified as Underweight.

Quick answer: A 6ft 6in male weighing 160 lbs has a BMI of 18.5, classified as Underweight by CDC and WHO standards. The healthy weight range for this height is approximately 160–216 lbs.

A male who is 6ft 6in tall and weighs 160lbs has a BMI of 18.5, which falls into the Underweight category used by the CDC and WHO for adults.

18.5
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 6in: 160 lbs – 216 lbs

Metric: 198.1 cm, 72.6 kg

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

So you're 6ft 6in and weigh 160lbs. Your BMI is 18.5, 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 56.3 lbs would bring your BMI to 25, the start of the next category.

⬆️ Gaining approximately 56.3 lbs would put you in the Overweight 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 30 years old, a man at 6ft 6in and 160lbs has a BMI of 18.5, which falls into the Normal category according to CDC and WHO standards.

Your BMI is within the healthy range. Maintaining balanced nutrition and regular physical activity will help sustain this.

👉 Check your Healthy Weight Range for more context.

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

Health Analysis

A BMI of 18.5 for a male with height 6ft 6in and weight 160lbs falls into the Underweight category.

Recommendations

General Health

A BMI of 18.5 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

Monitoring

At 6ft 6in, track your weight weekly. The healthy weight range for men at this height is 160-215lbs. Monitor waist circumference too—the CDC recommends below 40 inches.

Physical Activity

For a man at 6ft 6in, focus on strength training 3-4 times per week to build muscle mass. Compound exercises like squats, deadlifts, and bench press are most effective. The CDC recommends consulting a healthcare provider before starting any new exercise program.

Always consult a healthcare provider for personalized medical advice.

Frequently Asked Questions

Is 160lbs overweight for a 6ft 6in man?
For a 6ft 6in man, 160lbs gives a BMI of 18.5, which is Underweight. This is below the CDC's healthy weight range of 18.5-24.9. Consider consulting a healthcare provider.
How do I calculate my BMI at 6ft 6in and 160lbs?
BMI is calculated as weight (lbs) × 703 ÷ height (in)². For a 6ft 6in man at 160lbs, the calculation is 160 × 703 ÷ 78² = 18.5, which is Underweight.
What health risks are associated with a BMI of 18.5 for a 6ft 6in man?
For a man at 6ft 6in with a BMI of 18.5 (Underweight), the underweight range is associated with increased risk of bone density loss and immune function decline. Regular check-ups and monitoring are recommended.
What else should I track besides BMI for a 6ft 6in man?
In addition to BMI, waist circumference and body composition give a clearer picture of health. For a man at 6ft 6in, keeping waist size below 40 inches is an important goal supported by CDC research.

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Related Tools & Articles

💡 About this calculation: BMI = (160 × 703) ÷ (78 × 78) = 18.5 | Metric: 198.1 cm, 72.6 kg

📖 Recommended reading:

BMI data sourced from CDC and WHO guidelines. This content is informational only. Please consult a healthcare professional for any health decisions.

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: 2026-10-13

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