BMI Result: 5ft 5in, 94 lbs (BMI 15.6) - Female

According to CDC and WHO standards, a BMI of 15.6 is classified as Underweight.

A female who is 5ft 5in tall and weighs 94lbs has a BMI of 15.6, which falls into the Underweight category used by the CDC and WHO for adults.

15.6
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 5in: 111 lbs – 150 lbs

Metric: 165.1 cm, 42.6 kg

📏 Healthy waist circumference for your height: 30" – 35" (below 35" for female)

So you're 5ft 5in and weigh 94lbs. Your BMI is 15.6, 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

What This Means for Your Height

For women of average height, BMI is a reliable screening tool. Pair it with waist circumference for a more complete health picture.

Weight & Threshold

Gaining approximately 17.4 lbs would bring your BMI to 18.5, the start of the next category.

⬆️ Gaining approximately 17.4 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.

Source: CDC Adult BMI Guidelines

Age Context

For adults 45-64, metabolic health becomes increasingly important. At 50 years old, a woman at 5ft 5in and 94lbs has a BMI of 15.6, 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.

👉 Calculate your Body Fat Percentage for a more complete health assessment.

👉 Try our Athlete BMI Calculator if you have higher muscle mass.

Health Analysis

A BMI of 15.6 for a female with height 5ft 5in and weight 94lbs falls into the Underweight category.

Recommendations

General Health

A BMI of 15.6 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 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.

Always consult a healthcare provider for personalized medical advice.

Frequently Asked Questions

How do I calculate my BMI at 5ft 5in and 94lbs?
BMI is calculated as weight (lbs) × 703 ÷ height (in)². For a 5ft 5in woman at 94lbs, the calculation is 94 × 703 ÷ 65² = 15.6, which is Underweight.
What else should I track besides BMI for a 5ft 5in woman?
In addition to BMI, waist circumference and body composition give a clearer picture of health. For a woman at 5ft 5in, keeping waist size below 35 inches is an important goal supported by CDC research.
What percentage of women have a BMI of 15.6 at 5ft 5in?
The CDC reports that approximately 1.5% of women fall into the Underweight BMI category. Your BMI of 15.6 at 5ft 5in and 94lbs places you there.
What health risks are associated with a BMI of 15.6 for a 5ft 5in woman?
For a woman at 5ft 5in with a BMI of 15.6 (Underweight), the underweight range is associated with increased risk of bone density loss and immune function decline. Regular check-ups and monitoring are recommended.

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Related Tools & Articles

💡 About this calculation: BMI = (94 × 703) ÷ (65 × 65) = 15.6 | Metric: 165.1 cm, 42.6 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.

Published: 2026-08-26
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