BMI Result: 4ft 8in, 92 lbs (BMI 20.6) - Female

According to CDC and WHO standards, a BMI of 20.6 is classified as Normal.

A female who is 4ft 8in tall and weighs 92lbs has a BMI of 20.6, which falls into the Normal category used by the CDC and WHO for adults.

20.6
Normal
⚠️ 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
Normal 18.5 – 24.9
Obese≥ 30

Healthy weight range for 4ft 8in: 82 lbs – 111 lbs

Metric: 142.2 cm, 41.7 kg

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

So you're 4ft 8in and weigh 92lbs. Your BMI is 20.6, which falls into the Normal 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 in the 18.5-24.9 range is considered healthy by CDC and WHO standards. This range is associated with the lowest risk of cardiovascular disease and type 2 diabetes.

Source: CDC Adult BMI Guidelines

What This Means for Your Height

For women under 5ft 2in, waist-to-height ratio is particularly important. Research suggests that even at a normal BMI, a waist-to-height ratio above 0.5 may indicate increased health risks.

Weight & Threshold

Gaining approximately 19.6 lbs would bring your BMI to 25, the start of the next category.

⬆️ Gaining approximately 19.6 lbs would put you in the Overweight BMI range.

⬇️ Losing approximately 9.4 lbs would bring you to the Underweight BMI threshold.

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

At ages 18-19, BMI interpretation transitions. This age range sits between pediatric percentiles and adult fixed cutoffs. A 18-year-old woman at 4ft 8in and 92lbs has a BMI of 20.6, which falls into the Normal category under adult CDC/WHO standards.

👉 For younger individuals, visit our Teen BMI Calculator.

👉 Check your Healthy Weight Range for more context.

Health Analysis

A BMI of 20.6 for a female with height 4ft 8in and weight 92lbs falls into the Normal category.

Recommendations

General Health

A BMI of 20.6 is within the normal range defined by the CDC and WHO. Staying within this range is generally associated with lower rates of chronic conditions compared to higher or lower BMI categories.

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 4ft 8in and 92lbs?
BMI is calculated as weight (lbs) × 703 ÷ height (in)². For a 4ft 8in woman at 92lbs, the calculation is 92 × 703 ÷ 56² = 20.6, which is Normal.
What else should I track besides BMI for a 4ft 8in woman?
In addition to BMI, waist circumference and body composition give a clearer picture of health. For a woman at 4ft 8in, keeping waist size below 35 inches is an important goal supported by CDC research.
What percentage of women have a BMI of 20.6 at 4ft 8in?
The CDC reports that approximately 31% of women fall into the Normal BMI category. Your BMI of 20.6 at 4ft 8in and 92lbs places you there.
How does a BMI of 20.6 affect health for a 4ft 8in woman?
At 4ft 8in with a BMI of 20.6 (Normal), the normal range is associated with the lowest risk of cardiovascular disease and type 2 diabetes. Maintaining a healthy lifestyle is key to overall well-being.

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Related Tools & Articles

💡 About this calculation: BMI = (92 × 703) ÷ (56 × 56) = 20.6 | Metric: 142.2 cm, 41.7 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: 2026-07-07
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