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BMI Calculator

Health
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Calculates Body Mass Index based on height and weight, indicating weight categories (underweight, normal, overweight, obese).

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Weight (lbs) and Height (inches) in the units shown.

Step 2

Read Height (m), Weight (kg), BMI, and Category in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

Example calculations

See the inputs and their calculated results.

Example 1

Weight (lbs): 150 lbs; Height (inches): 70 in

Height (m): 1.778 m; Weight (kg): 68.0388 kg; BMI: 21.5225206; Category: Normal weight

Example 2

Weight (lbs): 200 lbs; Height (inches): 72 in

Height (m): 1.8288 m; Weight (kg): 90.7184 kg; BMI: 27.12457585; Category: Overweight

Example 3

Weight (lbs): 120 lbs; Height (inches): 64 in

Height (m): 1.6256 m; Weight (kg): 54.43104 kg; BMI: 20.59772479; Category: Normal weight

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Important

Use the result as an estimate and confirm any medical decisions with a qualified professional.