Body Health Calculator💪 Fitness & Training
Optimize workouts with 1RM, heart rate zones, and VO₂ max estimates.
Body Recomp
Calculate calorie and protein targets for simultaneous fat loss and muscle gain.
1RM Calculator
Calculate your one-rep max using Epley, Brzycki, and Lombardi formulas.
Heart Rate Zones
Calculate training zones using the Karvonen method with Tanaka, Fox, or Gulati max HR formulas.
VO2 Max
Estimate VO2 max using resting heart rate, Cooper 12-minute run, or Rockport walk test.