BMI Result: 5ft 7in, 106 lbs (BMI 16.6) - Male

According to CDC and WHO standards, a BMI of 16.6 is classified as Underweight.

Quick answer: A 5ft 7in male weighing 106 lbs has a BMI of 16.6, classified as Underweight by CDC and WHO standards. The healthy weight range for this height is approximately 118–159 lbs.

A male who is 5ft 7in tall and weighs 106lbs has a BMI of 16.6, which falls into the Underweight category used by the CDC and WHO for adults.

16.6
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 5ft 7in: 118 lbs – 159 lbs

Metric: 170.2 cm, 48.1 kg

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

So you're 5ft 7in and weigh 106lbs. Your BMI is 16.6, 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 of average height, BMI is a reliable screening tool. The CDC recommends keeping waist circumference below 40 inches to minimize health risks.

Weight & Threshold

Gaining approximately 12.1 lbs would bring your BMI to 18.5, the start of the next category.

⬆️ Gaining approximately 12.1 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 45-64, metabolic health becomes increasingly important. At 57 years old, a man at 5ft 7in and 106lbs has a BMI of 16.6, which falls into the Underweight category.

For adults in this age range, maintaining stable weight and regular physical activity is key to preserving metabolic health.

👉 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 16.6 for a male with height 5ft 7in and weight 106lbs falls into the Underweight category.

Recommendations

General Health

A BMI of 16.6 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 5ft 7in, the CDC recommends a healthy weight range of 118-159lbs. At 106lbs, you're below this range. Consider setting a goal to gain 5-10% of your current weight over the next 3-6 months.

Health Risks

With a BMI of 16.6 for a 5ft 7in man, the underweight 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.

Always consult a healthcare provider for personalized medical advice.

Frequently Asked Questions

What percentage of men have a BMI of 16.6 at 5ft 7in?
The CDC reports that approximately 1.5% of men fall into the Underweight BMI category. Your BMI of 16.6 at 5ft 7in and 106lbs places you there.
How do I calculate my BMI at 5ft 7in and 106lbs?
BMI is calculated as weight (lbs) × 703 ÷ height (in)². For a 5ft 7in man at 106lbs, the calculation is 106 × 703 ÷ 67² = 16.6, which is Underweight.
Is 106lbs overweight for a 5ft 7in man?
For a 5ft 7in man, 106lbs gives a BMI of 16.6, 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 5ft 7in man maintain a healthy weight?
For a man at 5ft 7in, maintaining weight around 118-159lbs is recommended. Focus on nutrient-dense foods and eat 5-6 smaller meals throughout the day rather than 3 large ones.

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💡 About this calculation: BMI = (106 × 703) ÷ (67 × 67) = 16.6 | Metric: 170.2 cm, 48.1 kg

📖 Recommended reading:

Content references CDC and WHO guidelines. For informational purposes only, not 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: 2026-08-10

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