Fitness & Health

BMI, calories, body fat and more.

Body weight

BMI CalculatorBody Mass Index from weight and height.Ideal Weight CalculatorClassic ideal-body-weight estimates.

Energy & diet

Calorie CalculatorDaily calorie needs with goal targets and kJ/kcal output.BMR CalculatorResting calorie burn (basal metabolic rate).TDEE CalculatorTotal daily energy expenditure.Calories Burned CalculatorCalories burned during exercise (MET).Macro CalculatorDaily protein, carbs and fat in grams.Protein CalculatorDaily protein needs for your goal.

Body composition

Body Fat CalculatorBody fat % from tape measurements (US Navy).Lean Body Mass CalculatorEstimate muscle and organ mass (Boer).Body Surface Area CalculatorBSA from height and weight (Mosteller).

Strength

One Rep Max CalculatorEstimate your 1RM from a set.

Cardio

Target Heart Rate CalculatorHeart-rate training zones (Karvonen).

Pregnancy

Due Date CalculatorEstimated due date from LMP or conception.Pregnancy Conception CalculatorWhen did conception most likely happen?

Fertility

Ovulation CalculatorFertile window and next period.

Running

Pace CalculatorRunning pace from distance and time.

Alcohol

BAC CalculatorEstimate blood alcohol concentration.

Clinical

GFR CalculatorEstimated glomerular filtration rate (CKD-EPI).