Toolkit / Health

Health & Fitness Calculators

Estimate body metrics, nutrition targets, training zones, pace, and wellness dates. Pick a tool below to start converting, calculating, generating, or checking your result.

15 tools
BMI CalculatorCalculate body mass index from height and weight.CalculationFast pageBMR CalculatorEstimate basal metabolic rate with the Mifflin-St Jeor formula.CalculationFast pageTDEE CalculatorEstimate total daily energy expenditure from BMR and activity level.CalculationFast pageCalorie CalculatorEstimate daily calories for weight loss, maintenance, or gain.CalculationFast pageProtein Intake CalculatorEstimate daily protein intake from body weight.CalculationFast pageWater Intake CalculatorEstimate daily water intake from body weight.CalculationFast pageBody Fat Percentage CalculatorEstimate body fat percentage from circumference measurements.CalculationFast pageIdeal Weight CalculatorEstimate ideal body weight from height and sex.CalculationFast pagePace CalculatorCalculate pace from distance and time.CalculationFast pageRunning Pace CalculatorCalculate running pace for workouts and race planning.CalculationFast pageSteps to Calories CalculatorEstimate calories burned from steps, weight, and stride length.CalculationFast pageCalories Burned CalculatorEstimate exercise calories from MET, weight, and duration.CalculationFast pageOne Rep Max CalculatorEstimate one-rep max strength from lifted weight and reps.CalculationFast pageHeart Rate Zone CalculatorEstimate training heart rate zones from age and resting heart rate.CalculationFast pagePregnancy Due Date CalculatorEstimate a pregnancy due date from the last menstrual period date.CalculationPrivate data