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Health & Fitness Calculators

Estimate your BMI, daily calories, macros, pregnancy due date and training weights.

BMI CalculatorCalculate your body mass index (BMI) in US or metric units. See your weight category and…Calorie CalculatorEstimate how many calories you burn each day (BMR and TDEE) and how many to eat to lose…Calorie Deficit CalculatorFind the daily calorie deficit you need to lose weight at a safe pace. See calories for…Maintenance Calorie CalculatorCalculate the calories you need each day to maintain your current weight, plus targets…Due Date CalculatorEstimate your baby's due date from the first day of your last period. See your current…Ovulation CalculatorPredict your ovulation day and fertile window from your last period and cycle length.…TDEE CalculatorFind your total daily energy expenditure (TDEE) from your age, size and activity level.…One Rep Max CalculatorEstimate your one-rep max for bench press, squat or deadlift from any weight and rep…Macro CalculatorTurn your daily calorie goal into grams of protein, carbs and fat. Choose balanced,…