BMI Result: 4ft 7in, 170 lbs (BMI 39.5) - Male
According to CDC and WHO standards, a BMI of 39.5 is classified as Obese.
A male who is 4ft 7in tall and weighs 170lbs has a BMI of 39.5, which falls into the Obese category used by the CDC and WHO for adults.
| Category | BMI Range |
|---|---|
| Underweight | < 18.5 |
| Obese | ≥ 30 |
| Obese | ≥ 30 |
Healthy weight range for 4ft 7in: 80 lbs – 107 lbs
Metric: 139.7 cm, 77.1 kg
📏 Healthy waist circumference for your height: 35" – 40" (below 40" for male)
So you're 4ft 7in and weigh 170lbs. Your BMI is 39.5, which falls into the Obese category according to CDC and WHO standards. Let's break down what this means for your health.
Adjust Your Numbers
Change your height or weight to see how your BMI changes.
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.
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 2.2 lbs would bring your BMI to 40, the start of the next category.
⬇️ Losing approximately 40.9 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.
Age Context
For adults in early to middle adulthood (20-44), BMI is a reliable screening tool. At 27 years old, a man at 4ft 7in and 170lbs has a BMI of 39.5, which falls into the Obese category according to CDC and WHO standards.
Your BMI falls into the obesity category. Comprehensive lifestyle intervention and medical guidance are strongly recommended.
👉 Check your Healthy Weight Range for more context.
👉 Measure your Body Fat Percentage for a more complete picture.
Health Analysis
Recommendations
General Health
A BMI of 39.5 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
Health Risks
With a BMI of 39.5 for a 4ft 7in man, the obesity range is associated with a 40-50% higher risk of cardiovascular disease and type 2 diabetes. Comprehensive lifestyle intervention and medical guidance are strongly recommended.
Physical Activity
For a man at 4ft 7in, start slowly with walking and light resistance training. Gradually increase intensity as fitness improves. Consult your doctor before starting any new exercise program.
Frequently Asked Questions
Am I at a healthy weight at 4ft 7in and 170lbs?
How can a 4ft 7in man maintain a healthy weight?
What is the BMI for a 4ft 7in man at 170lbs?
How does a BMI of 39.5 affect health for a 4ft 7in man?
Related Tools & Articles
💡 About this calculation: BMI = (170 × 703) ÷ (55 × 55) = 39.5 | Metric: 139.7 cm, 77.1 kg
📖 Recommended reading:
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: 2026-06-28