BMI Result: 5ft 3in, 85 lbs (BMI 15.1) - Female

According to CDC and WHO standards, a BMI of 15.1 is classified as Underweight.

A female who is 5ft 3in tall and weighs 85lbs has a BMI of 15.1, which falls into the Underweight category used by the CDC and WHO for adults.

15.1
Underweight
โš ๏ธ 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
Obeseโ‰ฅ 30

Healthy weight range for 5ft 3in: 104 lbs โ€“ 141 lbs

Metric: 160.0 cm, 38.6 kg

๐Ÿ“ Healthy waist circumference for your height: 30" โ€“ 35" (below 35" for female)

So you're 5ft 3in and weigh 85lbs. Your BMI is 15.1, 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).

Compute Your BMI Instantly Body Fat %

Adjust Your Numbers

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

ft in

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 19.2 lbs would bring your BMI to 18.5, the start of the next category.

โฌ†๏ธ Gaining approximately 19.2 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 in early to middle adulthood (20-44), BMI is a reliable screening tool. At 30 years old, a woman at 5ft 3in and 85lbs has a BMI of 15.1, which falls into the Underweight category according to CDC and WHO standards.

Your BMI is below the healthy range. Consider consulting a healthcare provider for a nutritional assessment.

๐Ÿ‘‰ Check your Healthy Weight Range for more context.

๐Ÿ‘‰ Measure your Body Fat Percentage for a more complete picture.

Health Analysis

A BMI of 15.1 for a female with height 5ft 3in and weight 85lbs falls into the Underweight category.

Recommendations

General Health

A BMI of 15.1 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

What health risks are associated with a BMI of 15.1 for a 5ft 3in woman?
For a woman at 5ft 3in with a BMI of 15.1 (Underweight), the underweight range is associated with increased risk of bone density loss and immune function decline. Regular check-ups and monitoring are recommended.
Am I at a healthy weight at 5ft 3in and 85lbs?
At 5ft 3in and 85lbs, a woman's BMI is 15.1, which is Underweight. This is below the CDC's healthy weight range of 18.5-24.9. Consider consulting a healthcare provider.
How can a 5ft 3in woman maintain a healthy weight?
For a woman at 5ft 3in, maintaining weight around 104-140lbs is recommended. Focus on nutrient-dense foods and eat 5-6 smaller meals throughout the day rather than 3 large ones.
What is the BMI for a 5ft 3in woman at 85lbs?
For a woman who is 5ft 3in and weighs 85lbs, the BMI is 15.1. This falls into the Underweight category according to CDC standards.

Want to calculate your own BMI?

Use our free calculator to get instant results.

Calculate My BMI

Related Tools & Articles

๐Ÿ’ก About this calculation: BMI = (85 ร— 703) รท (63 ร— 63) = 15.1 | Metric: 160.0 cm, 38.6 kg

๐Ÿ“– Recommended reading:

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

Published: 2026-08-31
๐Ÿ’พ Bookmark this page to track your BMI over time. Your results are unique to your height and weight.