Body Weight Calculator
Calculate your ideal body weight based on height, age, and gender using the Devine formula. Also provides BMI and weight category.
Published by:
isCalculator Editorial Team
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How to use this tool?
How to Use the Body Weight Calculator
- Select your gender from the dropdown (Male or Female).
- Enter your height in centimeters (e.g., 170). Must be between 50 and 250 cm.
- Enter your age in years (e.g., 30). Must be between 1 and 120.
- Click the Calculate button (or press Enter after entering height or age).
- View your results:
- Ideal Body Weight – based on the Devine formula (in kg).
- BMI – calculated using your ideal weight and height.
- Category – underweight, normal, overweight, or obese.
Note: This calculator uses metric units (cm and kg). All inputs are required for a valid result.
Previous Results
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Frequently Asked Questions
The Devine formula estimates ideal body weight: for men: 50 kg + 0.91 kg per cm over 152.4 cm; for women: 45.5 kg + 0.91 kg per cm over 152.4 cm.
BMI is calculated as weight in kilograms divided by height in meters squared. Here we use the ideal weight for the BMI calculation.
Underweight (<18.5), Normal weight (18.5-24.9), Overweight (25-29.9), Obese (≥30).
