Sports

Calculate your max heart rate and 5 training zones with the Fox, Tanaka or Karvonen (heart rate reserve) formulas for running, cycling and cardio workouts.

Calculate your one rep max (1RM) from weight and reps using Epley, Brzycki, Lander, Lombardi and O'Conner formulas. Includes a full percentage-of-1RM training table.

Split a list of players into random balanced teams for football, basketball, badminton or any group activity. Shuffle instantly and copy results in one click.

Generate a complete round robin tournament schedule where every team plays each other. Supports single or double round (home and away) for football, esports and more.