BMI Result: 5ft 1in, 112 lbs (BMI 21.2) - Male

According to CDC and WHO standards, a BMI of 21.2 is classified as Normal.

Quick answer: A 5ft 1in male weighing 112 lbs has a BMI of 21.2, classified as Normal 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 112lbs has a BMI of 21.2, which falls into the Normal category used by the CDC and WHO for adults.

21.2
Normal
⚠️ 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
Normal 18.5 – 24.9
Obese≥ 30

Healthy weight range for 5ft 1in: 98 lbs – 132 lbs

Metric: 154.9 cm, 50.8 kg

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

So you're 5ft 1in and weigh 112lbs. Your BMI is 21.2, which falls into the Normal 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).

Check Your BMI Today Body Fat %

Adjust Your Numbers

Change your height or weight to see how your BMI changes.

ft in

Understanding Your BMI

A BMI in the 18.5-24.9 range is considered healthy by CDC and WHO standards. This range is associated with the lowest risk of cardiovascular disease and type 2 diabetes.

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 20.1 lbs would bring your BMI to 25, the start of the next category.

⬆️ Gaining approximately 20.1 lbs would put you in the Overweight BMI range.

⬇️ Losing approximately 14.3 lbs would bring you to the Underweight 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 children and teenagers (under 18), BMI is interpreted differently. Unlike adults, BMI for youth is age- and sex-specific, using percentiles from CDC growth charts. For a 11-year-old boy at 5ft 1in and 112lbs, a BMI of 21.2 would be evaluated using pediatric growth percentiles rather than the adult normal category.

👉 Use our Child BMI Calculator for a more accurate assessment for children and teens under 18.

👉 Visit our Kids BMI Percentile tool for detailed growth tracking.

Health Analysis

A BMI of 21.2 for a male with height 5ft 1in and weight 112lbs falls into the Normal category.

Recommendations

General Health

A BMI of 21.2 is within the normal range defined by the CDC and WHO. Staying within this range is generally associated with lower rates of chronic conditions compared to higher or lower BMI categories.

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

Monitoring

At 5ft 1in and 112lbs, check your BMI every 4-6 weeks. For men at this height, the CDC recommends keeping waist circumference below 40 inches. Waist-to-height ratio below 0.5 is also a useful health indicator.

Health Risks

With a BMI of 21.2 for a 5ft 1in man, the normal range is associated with the lowest risk of cardiovascular disease and type 2 diabetes. Men in this range have a 40% lower risk of developing type 2 diabetes compared to those with a BMI over 25.

Always consult a healthcare provider for personalized medical advice.

Frequently Asked Questions

How common is a BMI of 21.2 for a 5ft 1in man?
According to CDC data, about 31% of men have a BMI in the Normal category. At 5ft 1in and 112lbs, your BMI of 21.2 is within this range.
What health risks are associated with a BMI of 21.2 for a 5ft 1in man?
For a man at 5ft 1in with a BMI of 21.2 (Normal), the normal range is associated with the lowest risk of cardiovascular disease and type 2 diabetes. Regular check-ups and monitoring are recommended.
How do I calculate my BMI at 5ft 1in and 112lbs?
BMI is calculated as weight (lbs) × 703 ÷ height (in)². For a 5ft 1in man at 112lbs, the calculation is 112 × 703 ÷ 61² = 21.2, which is Normal.
How can a 5ft 1in man maintain a healthy weight?
For a man at 5ft 1in, maintaining weight around 97-131lbs is recommended. Continue eating a balanced diet with plenty of fruits, vegetables, and lean proteins.

Want to calculate your own BMI?

Use our free calculator to get instant results.

Calculate My BMI

Related Tools & Articles

💡 About this calculation: BMI = (112 × 703) ÷ (61 × 61) = 21.2 | Metric: 154.9 cm, 50.8 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: 2026-07-16

💾 Bookmark this page to track your BMI over time. Your results are unique to your height and weight.