BMI Calculator

Body Mass Index & weight status

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Body Fat Calculator

Estimate body fat percentage

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Macro Calculator

Daily macros & nutrition

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Pregnancy Calculator

Due date & milestones

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Pregnancy Conception Calculator

Estimate conception date

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Pace Calculator

Running speed & race times

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Calorie Calculator

Daily calorie needs & macros

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BMR Calculator

Basal Metabolic Rate

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Ideal Weight Calculator

Healthy weight ranges

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Pregnancy Weight Gain Calculator

Healthy weight gain in pregnancy

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Due Date Calculator

Calculate your due date

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GFR Calculator

Estimate kidney function using the CKD-EPI equation

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Body Surface Area Calculator

Calculate BSA using Mosteller, DuBois, and other formulas

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Army Body Fat Calculator

Estimate body fat using the US Army circumference method

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Lean Body Mass Calculator

Estimate lean body mass using Boer, James, and Hume formulas

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Calories Burned Calculator

Estimate calories burned during exercise by activity type

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Target Heart Rate Calculator

Calculate heart rate training zones using the Karvonen formula

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Fat Intake Calculator

Estimate daily dietary fat intake based on calories

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Ovulation Calculator

Estimate ovulation date and fertile window

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Period Calculator

Predict your next period and track cycle history

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Body Type Calculator

Estimate body frame type using wrist measurement

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BAC Calculator

Estimate blood alcohol content using the Widmark formula

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Weight Watcher Points Calculator

Estimate food points from calories, fat, sugar, and protein

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Carbohydrate Calculator

Estimate daily carbohydrate needs based on calories and activity

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Healthy Weight Calculator

See a healthy weight range using several reference formulas

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One Rep Max Calculator

Estimate your one-rep max using Epley, Brzycki, and Lombardi formulas

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Protein Calculator

Estimate daily protein needs based on body weight and activity

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TDEE Calculator

Calculate Total Daily Energy Expenditure using the Mifflin-St Jeor equation

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