BMI Result: 5ft 8in, 113 lbs (BMI 17.2) - Male

According to CDC and WHO standards, a BMI of 17.2 is classified as Underweight.

Quick answer: A 5ft 8in male weighing 113 lbs has a BMI of 17.2, classified as Underweight by CDC and WHO standards. The healthy weight range for this height is approximately 122–164 lbs.

A male who is 5ft 8in tall and weighs 113lbs has a BMI of 17.2, which falls into the Underweight category used by the CDC and WHO for adults.

17.2
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 5ft 8in: 122 lbs – 164 lbs

Metric: 172.7 cm, 51.3 kg

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

So you're 5ft 8in and weigh 113lbs. Your BMI is 17.2, 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 8.6 lbs would bring your BMI to 18.5, the start of the next category.

⬆️ Gaining approximately 8.6 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 62 years old, a man at 5ft 8in and 113lbs has a BMI of 17.2, 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.

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Health Analysis

A BMI of 17.2 for a male with height 5ft 8in and weight 113lbs falls into the Underweight category.

Recommendations

General Health

A BMI of 17.2 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

Physical Activity

For a man at 5ft 8in, focus on strength training 3-4 times per week to build muscle mass. Compound exercises like squats, deadlifts, and bench press are most effective. The CDC recommends consulting a healthcare provider before starting any new exercise program.

Diet & Nutrition

At 5ft 8in and 113lbs, a BMI of 17.2 indicates underweight. For men of this height, the CDC recommends a healthy weight range of 121-163lbs. Focus on protein-rich foods and resistance training to build muscle mass.

Always consult a healthcare provider for personalized medical advice.

Frequently Asked Questions

How can a 5ft 8in man maintain a healthy weight?
For a man at 5ft 8in, maintaining weight around 121-163lbs is recommended. Focus on nutrient-dense foods and eat 5-6 smaller meals throughout the day rather than 3 large ones.
How does a BMI of 17.2 affect health for a 5ft 8in man?
At 5ft 8in with a BMI of 17.2 (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.
What percentage of men have a BMI of 17.2 at 5ft 8in?
The CDC reports that approximately 1.5% of men fall into the Underweight BMI category. Your BMI of 17.2 at 5ft 8in and 113lbs places you there.
How do I calculate my BMI at 5ft 8in and 113lbs?
BMI is calculated as weight (lbs) × 703 ÷ height (in)². For a 5ft 8in man at 113lbs, the calculation is 113 × 703 ÷ 68² = 17.2, which is Underweight.

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Related Tools & Articles

💡 About this calculation: BMI = (113 × 703) ÷ (68 × 68) = 17.2 | Metric: 172.7 cm, 51.3 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: 2026-08-15

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