Fitness and body tools
Pace, calories, heart-rate zones, sleep and due dates. Estimates, not medical advice. 8 free tools, with no sign-up. Nothing you enter leaves your device.
Running and training 3
- Pace calculatorGive any two of distance, time and pace to get the third, in km or miles, with an even-pace splits table and race time predictions from Riegel's formula. #T913
- One-rep maxEstimate your one-rep max from a set of several reps with the Epley and Brzycki formulas, see their average and a 50 to 100% training table, in kg or lb. #T914
- Steps to distanceTurn a step count into kilometres or miles from your height or a stride you measured, turn a distance into steps, and estimate the calories with a MET value. #T915
Food and water 2
- Calorie calculatorEstimate the calories you burn at rest (Mifflin-St Jeor) and in a day, set a goal to lose, keep or gain weight, and split the target into protein, fat and carbs. #T916
- Water intakeSee how much to drink a day by the European (EFSA) and US (National Academies) guides, add extra for exercise, and count today's glasses. #T917
Sleep, cycles and pregnancy 3
- Sleep calculatorFind bedtimes for a wake-up time, or wake-up times for a bedtime, in 90-minute sleep cycles, plus the hours of sleep recommended for each age. #T918
- Due dateEstimate a pregnancy due date from the last period, conception date or IVF transfer, with the current week, trimester and key week dates. #T919
- Ovulation calendarEstimate your ovulation day, fertile window and next six periods from your last period and cycle length, on a month calendar you can download as .ics. #T920
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