BMI Result: 5ft 10in, 98 lbs (BMI 14.1) - Female

According to CDC and WHO standards, a BMI of 14.1 is classified as Underweight.

A female who is 5ft 10in tall and weighs 98lbs has a BMI of 14.1, which falls into the Underweight category used by the CDC and WHO for adults.

14.1
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 10in: 129 lbs – 174 lbs

Metric: 177.8 cm, 44.5 kg

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

So you're 5ft 10in and weigh 98lbs. Your BMI is 14.1, 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 30.7 lbs would bring your BMI to 18.5, the start of the next category.

⬆️ Gaining approximately 30.7 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 48 years old, a woman at 5ft 10in and 98lbs has a BMI of 14.1, 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 14.1 for a female with height 5ft 10in and weight 98lbs falls into the Underweight category.

Recommendations

General Health

A BMI of 14.1 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 10in and 98lbs?
BMI is calculated as weight (lbs) × 703 ÷ height (in)². For a 5ft 10in woman at 98lbs, the calculation is 98 × 703 ÷ 70² = 14.1, which is Underweight.
Am I at a healthy weight at 5ft 10in and 98lbs?
At 5ft 10in and 98lbs, a woman's BMI is 14.1, which is Underweight. This is below the CDC's healthy weight range of 18.5-24.9. Consider consulting a healthcare provider.
How common is a BMI of 14.1 for a 5ft 10in woman?
According to CDC data, about 1.5% of women have a BMI in the Underweight category. At 5ft 10in and 98lbs, your BMI of 14.1 is within this range.
What else should I track besides BMI for a 5ft 10in woman?
In addition to BMI, waist circumference and body composition give a clearer picture of health. For a woman at 5ft 10in, keeping waist size below 35 inches is an important goal supported by CDC research.

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Related Tools & Articles

💡 About this calculation: BMI = (98 × 703) ÷ (70 × 70) = 14.1 | Metric: 177.8 cm, 44.5 kg

📖 Recommended reading:

Content references CDC and WHO guidelines. For informational purposes only, not medical advice.

Published: 2026-09-09
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