Calculators

Analyzes gear ratios on a bicycle based on chainrings and cassette cogs.

Calculates the ratio of arm span to height, sometimes used in climbing assessments.

Estimates the duration of a hike based on distance, elevation change, and estimated pace.

Calculates the Forward of Center (FOC) balance point for an arrow, which is crucial for archery accuracy. FOC is expressed as a percentage of the arrow's total length.

Calculates the long-term expected profit or loss of a particular decision or situation in poker.

Calculates the probability of winning a poker hand or hitting specific cards based on known cards and opponents.

Calculates the Kill/Death ratio, a common performance metric in video games.

Calculates effective mouse sensitivity in games, combining mouse DPI and in-game sensitivity settings.

Calculates power, pace, or calories based on performance on a rowing machine (ergometer).

Calculates points for each event in a heptathlon based on performance marks.