Sports & Performance
Running pace calculators, VO2 max, heart rate zones, 1RM strength, and athletic metrics.
Batting Average Calculator
Calculate a baseball or softball player's batting average.
Boat Hull Speed Calculator
Hull speed is the theoretical maximum speed of a displacement hull based on its waterline length. The calculator multiplies the square root of the boat's waterline length (in feet) by a coefficient (commonly 1.34).
Cyclist Power-to-Weight Ratio Calculator
Calculates a cyclist’s power-to-weight ratio in watts per kilogram (W/kg), a key performance metric in road cycling and racing.
Free Throw Percentage Calculator
Calculate basketball free throw shooting accuracy based on made and attempted shots.
Hamstring to Quadriceps (H:Q) Strength Ratio Calculator
Calculate the Hamstring to Quadriceps strength ratio (H:Q ratio) to assess muscle balance and injury risk.
MPH to Pace Converter
Convert speed in miles per hour (mph) to pace in minutes per mile.
One Rep Max (1RM) Calculator
Estimate your one-repetition maximum (1RM) using the Epley formula.
Slugging Percentage (SLG) Calculator
Calculate a baseball player's Slugging Percentage using total bases divided by at-bats.
Waist-to-Hip Ratio (WHR) Calculator
Calculates the Waist-to-Hip Ratio (WHR) to assess body fat distribution and potential health risk.