BMI Result: 5ft 1in, 178 lbs (BMI 33.6) - Male

According to CDC and WHO standards, a BMI of 33.6 is classified as Obese.

Quick answer: A 5ft 1in male weighing 178 lbs has a BMI of 33.6, classified as Obese by CDC and WHO standards. The healthy weight range for this height is approximately 98–132 lbs.

A male who is 5ft 1in tall and weighs 178lbs has a BMI of 33.6, which falls into the Obese category used by the CDC and WHO for adults.

33.6
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 5ft 1in: 98 lbs – 132 lbs

Metric: 154.9 cm, 80.7 kg

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

So you're 5ft 1in and weigh 178lbs. Your BMI is 33.6, 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 33.9 lbs would bring your BMI to 40, the start of the next category.

⬇️ Losing approximately 19.1 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 60 years old, a man at 5ft 1in and 178lbs has a BMI of 33.6, which falls into the Obese category.

At age 60, 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 33.6 for a male with height 5ft 1in and weight 178lbs falls into the Obese category.

Recommendations

General Health

A BMI of 33.6 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

Diet & Nutrition

At 5ft 1in and 178lbs, a BMI of 33.6 falls into the obesity category for men. Working with a registered dietitian to develop a structured, sustainable eating plan is recommended.

Goals

For a man at 5ft 1in, the CDC recommends a healthy weight range of 97-131lbs. At 178lbs, you're above this range. Working with a healthcare provider to set a safe weight loss goal is recommended.

Always consult a healthcare provider for personalized medical advice.

Frequently Asked Questions

How do I calculate my BMI at 5ft 1in and 178lbs?
BMI is calculated as weight (lbs) × 703 ÷ height (in)². For a 5ft 1in man at 178lbs, the calculation is 178 × 703 ÷ 61² = 33.6, which is Obese.
Is 178lbs overweight for a 5ft 1in man?
For a 5ft 1in man, 178lbs gives a BMI of 33.6, which is Obese. This falls into the CDC's obesity category (30+).
How does a BMI of 33.6 affect health for a 5ft 1in man?
At 5ft 1in with a BMI of 33.6 (Obese), the obesity range is associated with a 50-60% higher risk of cardiovascular disease and type 2 diabetes. Maintaining a healthy lifestyle is key to overall well-being.
What percentage of men have a BMI of 33.6 at 5ft 1in?
The CDC reports that approximately 25-30% of men fall into the Obese BMI category. Your BMI of 33.6 at 5ft 1in and 178lbs places you there.

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Related Tools & Articles

💡 About this calculation: BMI = (178 × 703) ÷ (61 × 61) = 33.6 | Metric: 154.9 cm, 80.7 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: 2026-07-17

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