BMI Result: 4ft 11in, 88 lbs (BMI 17.8) - Male

According to CDC and WHO standards, a BMI of 17.8 is classified as Underweight.

Quick answer: A 4ft 11in male weighing 88 lbs has a BMI of 17.8, classified as Underweight by CDC and WHO standards. The healthy weight range for this height is approximately 92–123 lbs.

A male who is 4ft 11in tall and weighs 88lbs has a BMI of 17.8, which falls into the Underweight category used by the CDC and WHO for adults.

17.8
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 4ft 11in: 92 lbs – 123 lbs

Metric: 149.9 cm, 39.9 kg

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

So you're 4ft 11in and weigh 88lbs. Your BMI is 17.8, 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 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 3.5 lbs would bring your BMI to 18.5, the start of the next category.

⬆️ Gaining approximately 3.5 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 59 years old, a man at 4ft 11in and 88lbs has a BMI of 17.8, 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 17.8 for a male with height 4ft 11in and weight 88lbs falls into the Underweight category.

Recommendations

General Health

A BMI of 17.8 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

Diet & Nutrition

At 4ft 11in and 88lbs, a BMI of 17.8 indicates underweight. For men of this height, the CDC recommends a healthy weight range of 91-123lbs. Focus on protein-rich foods and resistance training to build muscle mass.

Goals

For a man at 4ft 11in, the CDC recommends a healthy weight range of 91-123lbs. At 88lbs, you're below this range. Consider setting a goal to gain 5-10% of your current weight over the next 3-6 months.

Always consult a healthcare provider for personalized medical advice.

Frequently Asked Questions

How common is a BMI of 17.8 for a 4ft 11in man?
According to CDC data, about 1.5% of men have a BMI in the Underweight category. At 4ft 11in and 88lbs, your BMI of 17.8 is within this range.
How do I calculate my BMI at 4ft 11in and 88lbs?
BMI is calculated as weight (lbs) × 703 ÷ height (in)². For a 4ft 11in man at 88lbs, the calculation is 88 × 703 ÷ 59² = 17.8, which is Underweight.
What else should I track besides BMI for a 4ft 11in man?
In addition to BMI, waist circumference and body composition give a clearer picture of health. For a man at 4ft 11in, keeping waist size below 40 inches is an important goal supported by CDC research.
What health risks are associated with a BMI of 17.8 for a 4ft 11in man?
For a man at 4ft 11in with a BMI of 17.8 (Underweight), the underweight range is associated with increased risk of bone density loss and immune function decline. Regular check-ups and monitoring are recommended.

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💡 About this calculation: BMI = (88 × 703) ÷ (59 × 59) = 17.8 | Metric: 149.9 cm, 39.9 kg

📖 Recommended reading:

Based on CDC and WHO adult BMI standards. This information is for educational purposes and does not replace professional 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: 2026-07-08

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