BMI Result: 5ft 2in, 91 lbs (BMI 16.6) - Male

According to CDC and WHO standards, a BMI of 16.6 is classified as Underweight.

Quick answer: A 5ft 2in male weighing 91 lbs has a BMI of 16.6, classified as Underweight by CDC and WHO standards. The healthy weight range for this height is approximately 101โ€“136 lbs.

A male who is 5ft 2in tall and weighs 91lbs has a BMI of 16.6, which falls into the Underweight category used by the CDC and WHO for adults.

16.6
Underweight
โš ๏ธ 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
Obeseโ‰ฅ 30

Healthy weight range for 5ft 2in: 101 lbs โ€“ 136 lbs

Metric: 157.5 cm, 41.3 kg

๐Ÿ“ Healthy waist circumference for your height: 35" โ€“ 40" (below 40" for male)

So you're 5ft 2in and weigh 91lbs. Your BMI is 16.6, 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 of average height, BMI is a reliable screening tool. The CDC recommends keeping waist circumference below 40 inches to minimize health risks.

Weight & Threshold

Gaining approximately 10.4 lbs would bring your BMI to 18.5, the start of the next category.

โฌ†๏ธ Gaining approximately 10.4 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

At ages 18-19, BMI interpretation transitions. This age range sits between pediatric percentiles and adult fixed cutoffs. A 19-year-old man at 5ft 2in and 91lbs has a BMI of 16.6, which falls into the Underweight category under adult CDC/WHO standards.

๐Ÿ‘‰ For younger individuals, visit our Teen BMI Calculator.

๐Ÿ‘‰ Check your Healthy Weight Range for more context.

Health Analysis

A BMI of 16.6 for a male with height 5ft 2in and weight 91lbs falls into the Underweight category.

Recommendations

General Health

A BMI of 16.6 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 5ft 2in and 91lbs, a BMI of 16.6 indicates underweight. For men of this height, the CDC recommends a healthy weight range of 101-136lbs. Focus on protein-rich foods and resistance training to build muscle mass.

Goals

For a man at 5ft 2in, the CDC recommends a healthy weight range of 101-136lbs. At 91lbs, 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

What percentage of men have a BMI of 16.6 at 5ft 2in?
The CDC reports that approximately 1.5% of men fall into the Underweight BMI category. Your BMI of 16.6 at 5ft 2in and 91lbs places you there.
What health risks are associated with a BMI of 16.6 for a 5ft 2in man?
For a man at 5ft 2in with a BMI of 16.6 (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 else should I track besides BMI for a 5ft 2in man?
In addition to BMI, waist circumference and body composition give a clearer picture of health. For a man at 5ft 2in, keeping waist size below 40 inches is an important goal supported by CDC research.
What is the BMI for a 5ft 2in man at 91lbs?
For a man who is 5ft 2in and weighs 91lbs, the BMI is 16.6. This falls into the Underweight category according to CDC standards.

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๐Ÿ’ก About this calculation: BMI = (91 ร— 703) รท (62 ร— 62) = 16.6 | Metric: 157.5 cm, 41.3 kg

๐Ÿ“– 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: 2026-07-19

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