BMI Result: 7ft 0in, 156 lbs (BMI 15.5) - Male

According to CDC and WHO standards, a BMI of 15.5 is classified as Underweight.

A male who is 7ft 0in tall and weighs 156lbs has a BMI of 15.5, which falls into the Underweight category used by the CDC and WHO for adults.

15.5
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 7ft 0in: 186 lbs – 250 lbs

Metric: 213.4 cm, 70.8 kg

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

So you're 7ft 0in and weigh 156lbs. Your BMI is 15.5, 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).

Check Your BMI Today Body Fat %

Adjust Your Numbers

Change your height or weight to see how your BMI changes.

ft in

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

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

⬆️ Gaining approximately 30.1 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

Age Context

For adults 45-64, metabolic health becomes increasingly important. At 46 years old, a man at 7ft 0in and 156lbs has a BMI of 15.5, 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 15.5 for a male with height 7ft 0in and weight 156lbs falls into the Underweight category.

Recommendations

General Health

A BMI of 15.5 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.

Always consult a healthcare provider for personalized medical advice.

Frequently Asked Questions

What health risks are associated with a BMI of 15.5 for a 7ft 0in man?
For a man at 7ft 0in with a BMI of 15.5 (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 percentage of men have a BMI of 15.5 at 7ft 0in?
The CDC reports that approximately 1.5% of men fall into the Underweight BMI category. Your BMI of 15.5 at 7ft 0in and 156lbs places you there.
How do I calculate my BMI at 7ft 0in and 156lbs?
BMI is calculated as weight (lbs) × 703 ÷ height (in)². For a 7ft 0in man at 156lbs, the calculation is 156 × 703 ÷ 84² = 15.5, which is Underweight.
Is 156lbs overweight for a 7ft 0in man?
For a 7ft 0in man, 156lbs gives a BMI of 15.5, which is Underweight. This is below the CDC's healthy weight range of 18.5-24.9. Consider consulting a healthcare provider.

Want to calculate your own BMI?

Use our free calculator to get instant results.

Calculate My BMI

Related Tools & Articles

💡 About this calculation: BMI = (156 × 703) ÷ (84 × 84) = 15.5 | Metric: 213.4 cm, 70.8 kg

📖 Recommended reading:

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

Published: 2026-08-27
💾 Bookmark this page to track your BMI over time. Your results are unique to your height and weight.