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BMI Calculator

Calculate your Body Mass Index instantly. Free, no signup required.

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Calculate Your BMI

BMI
Category
Ideal Weight
UnderweightNormalOverweightObese

What is BMI?

BMI Formula

BMI Categories

BMICategoryHealth Risk
Below 18.5
18.5 – 24.9
25.0 – 29.9
30.0+

Limitations of BMI

Frequently Asked Questions

What is a healthy BMI?
A BMI between 18.5 and 24.9 is considered healthy for most adults.
Is BMI accurate for everyone?
BMI is a general screening tool. May not be accurate for athletes or elderly.
How do I calculate BMI manually?
Divide your weight in kg by your height in meters squared. Example: 70 ÷ (1.75²) = 22.9