BMI Calculator for Women
Body Mass Index for adult women, with the WHO categories and notes on how factors like body composition and hormones can affect interpretation.
Variation of BMI Calculator
Results update automatically as you type.
How to Use
- Choose Metric or Imperial units.
- Select your gender and enter your age.
- Enter your height and weight.
- Read your BMI, category, and healthy weight range instantly.
Calculation Method
BMI is your weight divided by the square of your height.
- Metric: BMI = weight (kg) / [height (m)]²
- Imperial: BMI = 703 × weight (lb) / [height (in)]²
Categories: Underweight < 18.5 · Normal 18.5–24.9 · Overweight 25–29.9 · Obese ≥ 30.
Source: World Health Organization (WHO) BMI classification
Frequently Asked Questions
Yes, the calculation is identical. Women naturally have a higher essential body fat percentage than men, but BMI itself does not distinguish fat from muscle.
No. BMI is not designed for pregnancy. Speak to your healthcare provider about appropriate weight goals during pregnancy.
Other Variations
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Health & Fitness Disclaimer
The health and fitness calculations provided are estimates only and should not replace professional medical advice. Consult with a healthcare provider, registered dietitian, or certified fitness professional before making significant changes to your diet or exercise routine.
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Last updated: May 24, 2026