Health & Fitness Calculators

Free health and fitness calculators for BMI, calories, heart rate, pregnancy, and more. Track your health metrics and fitness goals.

BMI Calculator

Calculate your Body Mass Index (BMI) to assess if your weight is healthy for your height.

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Calorie Calculator

Calculate your daily calorie needs for weight loss, maintenance, or muscle gain.

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Heart Rate Calculator

Determine your target heart rate zones for optimal cardiovascular exercise.

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Pregnancy Calculator

Calculate your due date and track your pregnancy week by week.

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Body Fat Calculator

Estimate your body fat percentage using skinfold measurements or other methods.

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BMR Calculator

Calculate your Basal Metabolic Rate (BMR) to determine calories burned at rest.

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Ideal Weight Calculator

Determine your ideal weight range based on your height and gender.

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Water Intake Calculator

Calculate your daily water intake needs based on your weight, activity level, and climate.

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Floors to Miles Calculator

Convert floors climbed into equivalent distance in miles for fitness tracking and stair climbing workouts.

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Age Calculator

Calculate your exact age in years, months, days, hours, and minutes.

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Heart Rate Zone Calculator

Calculate your personalized heart rate zones for safe and effective exercise with 5 distinct zones.

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Push Up Calories Calculator

Calculate calories burned from push-ups based on your weight, reps, and intensity level.

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Macro Calculator

Calculate your daily macronutrient needs for protein, carbs, and fat based on your calorie goals.

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Glycogen Storage Capacity Calculator

Calculate your total glycogen storage capacity in muscles and liver for energy reserves.

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Calorie to Pound Calculator

Convert calorie deficits to weight loss and surpluses to weight gain.

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Days Alive Calculator

Calculate exactly how many days you've been alive with milestones and statistics.

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Finger to Palm Ratio Calculator

Calculate the ratio between your finger length and palm length.

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Floors to Miles Calculator

Convert floors climbed into equivalent distance for fitness tracking.

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Globulin Albumin Ratio Calculator

Calculate the A/G ratio from blood test albumin and globulin values.

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Glomerular Capillary Blood Pressure Calculator

Estimate glomerular capillary blood pressure using mean arterial pressure.

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Gym Capacity Calculator

Calculate maximum safe occupancy and recommended capacity for gyms, studios, and fitness centers.

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Hair Dye Ratio Calculator

Calculate the perfect hair dye to developer mixing ratio for consistent color results. Supports permanent, demi-permanent, and bleach.

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HbA1c to Percentage Calculator

Convert HbA1c values to estimated average blood glucose levels and understand diabetes categories.

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