Health & fitness
9 tools
- BMR & TDEEMifflin–St Jeor calories and a simple macro split.
- Navy body fatU.S. Navy circumference estimate.
- Ideal weightDevine and Robinson formulas.
- Running pacePace, time, and distance from any two.
- One-rep maxEpley estimate from weight × reps.
- Heart-rate zonesFive zones from 220 − age.
- Sleep cycles90-minute cycle bedtimes.
- Water intakeA simple ml-per-kg hydration hint.
- Due dateNaegele’s rule from last period.