Free Health and Fitness Calculators: BMI, BMR, Calories, Water Intake

Free calculators for health and fitness numbers: BMI, BMR, daily calorie needs, body fat percentage, ideal weight, heart rate training zones, daily water intake, your exact age and a pregnancy due date estimate.

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Age Calculator

Calculate Your Exact Age & Life Milestones

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BMI Calculator

Calculate Your Body Mass Index and Health Status

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BMR Calculator

Calculate Your Basal Metabolic Rate & Daily Calorie Needs

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Body Fat Percentage Calculator

Accurate Body Composition Analysis & Goals

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Calorie Needs Calculator

Discover Your Personalized Daily Calorie Requirements

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Heart Rate Zone Calculator

Calculate your personalized heart rate training zones

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Ideal Weight Calculator

Find Your Optimal Healthy Weight Range

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Pregnancy Due Date Calculator

Calculate Your Baby's Due Date & Track Your Pregnancy Journey

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Water Intake Calculator

Calculate your daily hydration needs and track your water intake

These calculators give general estimates and are for information only. They are not medical advice and cannot diagnose anything. Talk to a doctor or other qualified professional before changing your diet, exercise or health routine.

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