Health & Fitness Tools

Calorie targets, ideal weight, heart rate zones, blood pressure, and sleep cycles.

Health & Fitness
Free

BMI Calculator

Calculate Body Mass Index (BMI) using metric or imperial units and check health status category.

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Health & Fitness
Free

Calorie Deficit & TDEE Calculator

Calculate daily maintenance calories (TDEE) and target calories for fat loss or muscle building.

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Health & Fitness
Free

Daily Water Intake Calculator

Calculate your optimal daily water hydration volume based on body weight, workouts, and climate.

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Health & Fitness
Free

Ideal Body Weight Calculator

Calculate your ideal body weight range based on historical clinical formulas (Devine, Robinson, Miller).

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Health & Fitness
Free

Heart Rate Training Zones Calculator

Calculate personalized aerobic, fat burn, and VO2 max heart rate training zones using the Karvonen formula.

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Health & Fitness
Free

Blood Pressure Interpreter

Evaluate systolic and diastolic blood pressure readings against American Heart Association clinical categories.

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Health & Fitness
Free

Sleep Cycle Calculator

Calculate the ideal time to go to bed or wake up refreshed based on natural 90-minute REM sleep cycles.

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Health & Fitness
Free

Pregnancy Due Date Calculator

Estimate estimated date of delivery (EDD) and current pregnancy week using Naegele's rule.

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Health & Fitness
Free

Body Fat Percentage Calculator

Estimate body fat percentage using the scientific U.S. Navy circumference method.

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Health & Fitness
Free

Macronutrient (Macros) Calculator

Calculate daily protein, carbohydrate, and fat gram targets for cutting, bulking, or maintenance.

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Health & Fitness
Free

Medication Dosage Calculator

Calculate pediatric and adult weight-based dosages in mg and liquid volume in milliliters (ml).

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Free

Workout Calorie Burn Calculator

Calculate calories burned during running, cycling, swimming, and strength training using MET values.

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Health & Fitness
Free

Smoking Cost & Life Calculator

Calculate money lost to cigarettes and estimated lifespan recovered after quitting smoking.

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Health & Fitness
Free

Blood Alcohol Concentration (BAC) Calculator

Estimate blood alcohol percentage (BAC) and hours to full sobriety using the Widmark formula.

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Health & Fitness
Free

Ovulation & Fertile Window Calculator

Calculate peak ovulation date, fertile conception window, and estimated next menstrual period.

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Health & Fitness
Free

Inpatient Hospital Bill & Insurance Co-Pay Estimator

Estimate total hospital admission costs across room rent, surgery, and diagnostics with insurance co-pay splits.

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