Calculators

Calculates bike speed based on cadence (pedal RPM), gear ratio, and wheel size.

Calculates a baseball player's On-Base Percentage (OBP), which measures how often a batter reaches base per plate appearance.

This calculator determines heart rate training zones for swimming, cycling, and running based on your maximum heart rate and resting heart rate. These zones help optimize your training intensity for different triathlon disciplines.

Calculates a single number metric to roughly estimate a player's productivity in a single basketball game.

Calculates a hitter's batting average, defined as hits divided by at-bats.

Estimates the maximum weight a person can lift for a single repetition (1RM) based on the weight lifted and the number of repetitions performed.

Calculates estimated triathlon finishing times based on distance, age, and skill level.