BMI Result: 6ft 5in, 130 lbs (BMI 15.4) - Male

According to CDC and WHO standards, a BMI of 15.4 is classified as Underweight.

A male who is 6ft 5in tall and weighs 130lbs has a BMI of 15.4, which falls into the Underweight category used by the CDC and WHO for adults.

15.4
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 5in: 156 lbs – 210 lbs

Metric: 195.6 cm, 59.0 kg

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

So you're 6ft 5in and weigh 130lbs. Your BMI is 15.4, 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).

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

⬆️ Gaining approximately 26.1 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 in early to middle adulthood (20-44), BMI is a reliable screening tool. At 23 years old, a man at 6ft 5in and 130lbs has a BMI of 15.4, 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 15.4 for a male with height 6ft 5in and weight 130lbs falls into the Underweight category.

Recommendations

General Health

A BMI of 15.4 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.

Always consult a healthcare provider for personalized medical advice.

Frequently Asked Questions

How does a BMI of 15.4 affect health for a 6ft 5in man?
At 6ft 5in with a BMI of 15.4 (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.
How common is a BMI of 15.4 for a 6ft 5in man?
According to CDC data, about 1.5% of men have a BMI in the Underweight category. At 6ft 5in and 130lbs, your BMI of 15.4 is within this range.
What else should I track besides BMI for a 6ft 5in man?
In addition to BMI, waist circumference and body composition give a clearer picture of health. For a man at 6ft 5in, keeping waist size below 40 inches is an important goal supported by CDC research.
How do I calculate my BMI at 6ft 5in and 130lbs?
BMI is calculated as weight (lbs) × 703 ÷ height (in)². For a 6ft 5in man at 130lbs, the calculation is 130 × 703 ÷ 77² = 15.4, which is Underweight.

Want to calculate your own BMI?

Use our free calculator to get instant results.

Calculate My BMI

Related Tools & Articles

💡 About this calculation: BMI = (130 × 703) ÷ (77 × 77) = 15.4 | Metric: 195.6 cm, 59.0 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: 2026-08-28
💾 Bookmark this page to track your BMI over time. Your results are unique to your height and weight.