BMI Result: 6ft 7in, 149 lbs (BMI 16.8) - Female
According to CDC and WHO standards, a BMI of 16.8 is classified as Underweight.
A female who is 6ft 7in tall and weighs 149lbs has a BMI of 16.8, which falls into the Underweight category used by the CDC and WHO for adults.
| Category | BMI Range |
|---|---|
| Underweight | < 18.5 |
| Underweight | < 18.5 |
| Obese | ≥ 30 |
Healthy weight range for 6ft 7in: 164 lbs – 221 lbs
Metric: 200.7 cm, 67.6 kg
📏 Healthy waist circumference for your height: 30" – 35" (below 35" for female)
So you're 6ft 7in and weigh 149lbs. Your BMI is 16.8, which falls into the Underweight 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 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.
What This Means for Your Height
For women over 5ft 11in, BMI may slightly underestimate body fat due to higher bone density. Muscle mass is also a factor—consider body fat percentage as a complementary measure.
Weight & Threshold
Gaining approximately 15.1 lbs would bring your BMI to 18.5, the start of the next category.
⬆️ Gaining approximately 15.1 lbs would put you in the Normal BMI range.
Waist & Health
The CDC recommends that non-pregnant women keep waist circumference below 35 inches. A waist-to-height ratio below 0.5 is also associated with lower health risks.
Age Context
For adults 65 and older, BMI targets shift. Clinical guidelines (ESPEN, NIH) often recommend a slightly higher BMI range (around 23–26) for seniors to protect against bone loss and muscle decline. At 69 years old, a woman at 6ft 7in and 149lbs has a BMI of 16.8.
Your BMI of 16.8 is within the standard range but sits near the lower end. Maintaining muscle mass through protein intake and light resistance training is particularly important at this age.
👉 Use our Senior BMI Calculator for age-stratified recommendations.
👉 Check our Asian BMI Calculator for ethnicity-specific guidelines (if applicable).
Health Analysis
Recommendations
General Health
A BMI of 16.8 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 females stay under 35 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 6ft 7in, track your weight weekly. The healthy weight range for women at this height is 164-221lbs. Monitor waist circumference too—the CDC recommends below 35 inches.
Health Risks
With a BMI of 16.8 for a 6ft 7in woman, the underweight 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.
Frequently Asked Questions
How common is a BMI of 16.8 for a 6ft 7in woman?
What health risks are associated with a BMI of 16.8 for a 6ft 7in woman?
Is 149lbs overweight for a 6ft 7in woman?
How do I calculate my BMI at 6ft 7in and 149lbs?
Related Tools & Articles
💡 About this calculation: BMI = (149 × 703) ÷ (79 × 79) = 16.8 | Metric: 200.7 cm, 67.6 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: 2026-10-18