Health & Wellbeing
BMI, calorie needs, sleep and hydration.
17 tools
100% localEnergy converterJoules, calories, kWh, BTU โ from nutrition to the power bill.Open100% localStopwatchTime something to the hundredth of a second, with laps.Open100% localBMI calculatorBody mass index, its category and the matching healthy weight range.Open100% localCalorie needs (BMR and TDEE)Basal metabolism, daily expenditure and targets for losing or gaining weight.Open100% localDaily water intakeHow much to drink each day given your weight, activity and the weather.Open100% localSleep cycle calculatorWhen to go to bed or wake up so you surface between two sleep cycles.Open100% localHeart rate zonesYour five training zones from your age and resting heart rate.Open100% localBody fat estimateUS Navy method, from simple tape measurements.Open100% localRunning pace calculatorPace, speed and split times for the classic race distances.Open100% localSteps โ distance and caloriesTurn your step count into kilometres and calories burned.Open100% localReference weightFour classic formulas compared, plus the BMI range.Open100% localPregnancy calendarDue date, current week of pregnancy and upcoming milestones, from the last period.Open100% localMacronutrient splitProtein, carbs and fat in grams, from a calorie target and a chosen split.Open100% localOne-rep max (1RM)Your estimated max from one set, and the loads matching each percentage.Open100% localBody surface areaBody surface area by the reference formulas, used in particular for some dosages.Open100% localMedical unit converterBlood sugar, cholesterol, creatinine: move between French and Anglo-Saxon units.Open100% localWaist and cardiovascular riskWaist-to-hip and waist-to-height ratios, often more telling than BMI about metabolic risk.Open