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BMI Calculator

Calculate BMI with metric or imperial units, see category, healthy range, and visual BMI meter.

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Calorie Calculator

Estimate daily calorie needs using age, height, weight, activity level, and goal.

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BMR Calculator

Calculate basal metabolic rate and estimated daily energy needs.

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Pregnancy Due Date Calculator

Estimate due date from last menstrual period or conception date.

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Due Date Calculator

Calculate important due dates and date differences for planning.

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Body Fat Calculator

Estimate body fat percentage using common body measurement methods.

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Water Intake Calculator

Estimate daily water needs based on weight, activity and climate.

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Ideal Weight Calculator

Estimate healthy weight ranges using height, gender and standard formulas.

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TDEE Calculator

Estimate total daily energy expenditure based on BMR and activity level.

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Macro Calculator

Estimate daily protein, carbs and fat targets based on calories and goal.

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Protein Calculator

Estimate daily protein requirement based on weight and fitness goal.

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Lean Body Mass Calculator

Estimate lean body mass from weight and body fat percentage.

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Waist-to-Hip Ratio Calculator

Calculate waist-to-hip ratio for general body composition screening.

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Heart Rate Calculator

Estimate maximum heart rate and training zones by age.

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Pregnancy Weight Gain Calculator

Estimate general pregnancy weight gain range based on pre-pregnancy BMI.

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