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BMI, calorie needs and health-focused calculators.

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BMI Calculator

Body Mass Index calculator with WHO classification for adults.

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Calorie Calculator

Estimate your daily calorie needs based on activity level (Mifflin-St Jeor).

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BMI, calorie needs and health-focused calculators. Every tool listed here runs entirely in your browser and requires no signup - just open the tool you need and get your result instantly.