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BMI Calculator

Calculate your Body Mass Index (BMI) and see whether you are in a healthy range. Supports metric and imperial.

100% Private Browser-Based Free Forever

BMI Calculator

Weight (kg)

Height (cm)

BMI Score

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How to Use BMI Calculator

Enter your height and weight

Choose metric (kg/cm) or imperial (lbs/ft)

View BMI score and health category

Why Use This Tool

100% Private

Your data never leaves your browser. Nothing is uploaded to any server.

Instant Results

Modern browser APIs deliver results in milliseconds with no waiting.

Free Forever

No subscriptions, no credits, no paywalls — ever.

Frequently Asked Questions

What is a healthy BMI?

18.5–24.9 is the healthy range for adults according to WHO guidelines.

Is BMI accurate for everyone?

BMI does not account for muscle mass, age or gender differences. Use it as a general indicator only.

Does it show ideal weight range?

Yes — it shows the healthy weight range for your height.

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