BMI Result: 4ft 9in, 173 lbs (BMI 37.4) - Male

According to CDC and WHO standards, a BMI of 37.4 is classified as Obese.

Quick answer: A 4ft 9in male weighing 173 lbs has a BMI of 37.4, classified as Obese by CDC and WHO standards. The healthy weight range for this height is approximately 86–115 lbs.

A male who is 4ft 9in tall and weighs 173lbs has a BMI of 37.4, which falls into the Obese category used by the CDC and WHO for adults.

37.4
Obese
⚠️ 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
Obese ≥ 30
Obese≥ 30

Healthy weight range for 4ft 9in: 86 lbs – 115 lbs

Metric: 144.8 cm, 78.5 kg

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

So you're 4ft 9in and weigh 173lbs. Your BMI is 37.4, which falls into the Obese 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 of 30 or above indicates obesity. The CDC reports that this range is associated with a 50-60% higher risk of cardiovascular disease and type 2 diabetes. Comprehensive lifestyle intervention and medical guidance are strongly recommended.

Source: CDC Adult BMI Guidelines (2024)

What This Means for Your Height

For men under 5ft 5in, abdominal fat is a key health indicator. Even with a normal BMI, excess belly fat can increase cardiovascular risk.

Weight & Threshold

Gaining approximately 12.0 lbs would bring your BMI to 40, the start of the next category.

⬇️ Losing approximately 34.2 lbs would bring you to the Overweight BMI threshold.

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 45 years old, a man at 4ft 9in and 173lbs has a BMI of 37.4, which falls into the Obese category.

At age 45, maintaining a healthy weight is particularly important. Research shows that adults over 45 with a BMI in the obese range have a significantly higher risk of metabolic syndrome and cardiovascular disease.

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Health Analysis

A BMI of 37.4 for a male with height 4ft 9in and weight 173lbs falls into the Obese category.

Recommendations

General Health

A BMI of 37.4 is in the obesity range defined by the CDC and WHO. This range is associated with a higher risk of cardiovascular disease and type 2 diabetes. Comprehensive lifestyle intervention and medical guidance are strongly recommended.

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

Physical Activity

For a man at 4ft 9in, start slowly with walking and light resistance training. Gradually increase intensity as fitness improves. Consult your doctor before starting any new exercise program.

Health Risks

With a BMI of 37.4 for a 4ft 9in man, the obesity range is associated with a 40-50% higher risk of cardiovascular disease and type 2 diabetes. Comprehensive lifestyle intervention and medical guidance are strongly recommended.

Always consult a healthcare provider for personalized medical advice.

Frequently Asked Questions

Am I at a healthy weight at 4ft 9in and 173lbs?
At 4ft 9in and 173lbs, a man's BMI is 37.4, which is Obese. This falls into the CDC's obesity category (30+).
What else should I track besides BMI for a 4ft 9in man?
In addition to BMI, waist circumference and body composition give a clearer picture of health. For a man at 4ft 9in, keeping waist size below 40 inches is an important goal supported by CDC research.
How do I calculate my BMI at 4ft 9in and 173lbs?
BMI is calculated as weight (lbs) × 703 ÷ height (in)². For a 4ft 9in man at 173lbs, the calculation is 173 × 703 ÷ 57² = 37.4, which is Obese.
What percentage of men have a BMI of 37.4 at 4ft 9in?
The CDC reports that approximately 25-30% of men fall into the Obese BMI category. Your BMI of 37.4 at 4ft 9in and 173lbs places you there.

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💡 About this calculation: BMI = (173 × 703) ÷ (57 × 57) = 37.4 | Metric: 144.8 cm, 78.5 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: 2026-07-03

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