Evidence-Based Health Tools

Health Calculators & Tools

BMI by WHO standards, calorie math via Mifflin-St Jeor, heart rate zones, ideal weight, and 800+ health reference pages.

Most-Used Health Calculators

Interactive tools with real formulas

BMI Calculator

WHO standard categories

BMR Calculator

Mifflin-St Jeor equation

TDEE Calculator

Maintenance calories

Calorie Deficit Calculator

Weight loss planning

Protein Intake Calculator

Daily protein goals

Ideal Weight Calculator

Four formula average

800+ health reference pages

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Weight & BMI

Calculate BMI, ideal weight, and body fat. WHO-standard categories.

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Nutrition & Calories

Calorie deficits, TDEE, weight loss timelines. Based on Mifflin-St Jeor.

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Heart & Fitness

Heart rate training zones, resting HR, and cardiovascular health.

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Health Guides

Evidence-based guides on diet, exercise, and metabolic health.