health
Health & Fitness Calculators
BMI, calories, macros, age and wellness tools you can trust.
BMI Calculator
Calculate Body Mass Index from height and weight in metric or imperial.
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Child's BMI Calculator
Estimate a child or teen BMI percentile band by age and sex.
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Due Date Calculator
Estimate your pregnancy due date, current week and trimester from your LMP.
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Chipotle Calorie Calculator
Build your Chipotle order and see the total calories instantly.
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Macro Calculator
Daily calories plus protein, carbs and fat for your goal.
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Starbucks Calorie Calculator
Pick a Starbucks drink, size, milk and syrups to total the calories instantly.
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Starbucks Coffee Calorie Calculator
Calorie counter for Starbucks coffee drinks — size, milk and syrups.
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Subway Calorie Calculator
Build a Subway sub and see the calories live with a per-item breakdown.
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Recipe Calorie Calculator
Add ingredients and amounts to get total and per-serving calories.
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MyPlate Calorie Calculator
Estimate your daily calorie needs USDA MyPlate style with Mifflin-St Jeor.
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Weight Loss Percentage Calculator
Calculate the percentage of body weight lost, your progress and weight remaining to goal.
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Weight Gain Calorie Calculator
Daily calorie target for lean weight gain plus a protein goal — Mifflin-St Jeor.
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Calorie Calculator to Lose Weight
Calories per day for safe weight loss, with time-to-goal estimate.
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Food Calorie Calculator
Search a database of 200+ common foods, build a meal and see total calories with macros.
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Calorie Calculator
Estimate daily calories for maintenance, weight loss or weight gain using the Mifflin-St Jeor equation.
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BMR Calculator
Calculate basal metabolic rate using Mifflin-St Jeor and Harris-Benedict side by side.
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TDEE Calculator
Total Daily Energy Expenditure for any activity level, with a breakdown across all five activity multipliers.
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Body Fat Calculator
Estimate body fat percentage with the US Navy method using neck, waist (and hip for women) measurements.
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Ideal Weight Calculator
Ideal weight range from the Devine, Robinson and Hamwi formulas plus the healthy BMI range for your height.
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Protein Calculator
Daily protein target in grams based on your weight and goal, from general health to muscle gain.
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Calories Burned Calculator
Estimate calories burned for 60+ activities using MET values, your weight and duration.
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One Rep Max Calculator
Estimate your one-rep max with Epley and Brzycki formulas plus a full training percentage table.
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Pace Calculator
Solve for pace, time or distance, with race finish-time estimates for 5K, 10K, half and full marathon.
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Water Intake Calculator
Estimate recommended daily water intake in liters and ounces based on weight, activity and climate.
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Pregnancy Calculator
Track your pregnancy week, trimester, due date and key milestones from LMP, due date, conception or ultrasound.
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Ovulation Calculator
Estimate your ovulation day, fertile window and next period from your last period and cycle length.
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Conception Calculator
Estimate your conception date and fertile window from a due date or your last menstrual period.
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Pregnancy Weight Gain Calculator
Recommended pregnancy weight gain range based on IOM guidelines for your BMI, week and single or twins.
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Period Calculator
Predict your next period dates and fertile windows from your last period, cycle length and period length.
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Calorie Deficit Calculator
Find your daily calorie target for weight loss from BMR, TDEE and your goal weight, with a safe-pace check and macros.
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