Sport & fitness
tools and calculators.
6 practical tools with clear inputs and explanations. Choose a tool below, or explore a role-based toolbox for a collection that fits your day.
Round-robin tournament schedule
Create match rounds and court/time slots without double-booking a team.
Seeded knockout bracket
Lay out a single-elimination bracket with explicit first-round byes.
League table calculator
Build standings from match scores and points rules you provide.
Elo rating change model
Explore expected scores and updates with your own scale and K factor.
Even-pace race split planner
Break a target distance and finish time into equal-pace splits.
Interval session planner
Add work, recovery, warm-up and cooldown blocks into a session plan.