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❤️ Health Calculators

BMI, calories, macros, heart rate zones, sleep cycles, and more. Your health, your data.

⚖️ Body Metrics🥗 Nutrition & Diet💪 Fitness & Exercise🧘 Wellness & Lifestyle
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Body Metrics

3 tools
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BMI Calculator

Calculate your Body Mass Index and see your category.
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Body Fat Calculator

Estimate body fat percentage using the US Navy method.
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Ideal Weight

Calculate ideal body weight using multiple formulas.
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Nutrition & Diet

3 tools
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Calorie Calculator

Calculate daily calorie needs based on activity level.
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Macro Calculator

Calculate protein, carbs, and fat targets.
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Water Intake

Calculate how much water you should drink daily.
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Fitness & Exercise

3 tools
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Heart Rate Zones

Calculate target heart rate zones for exercise.
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One Rep Max

Estimate your one rep max from lighter lifts.
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Pace Calculator

Calculate running pace, time, or distance.
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Wellness & Lifestyle

3 tools
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Sleep Calculator

Find optimal bedtime and wake times by sleep cycles.
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BAC Calculator

Estimate blood alcohol content based on drinks.
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Due Date Calculator

Estimate pregnancy due date from last period.