运动计算器

Training and performance math — strength, running, cycling, jumping and cricket, with standard sports-science formulas.

单次最大重量计算器

Weight lifted (kg) Reps performed

Estimate your one-rep max with the Epley formula plus common training percentages.

Distance (km) Body weight (kg)

Estimate calories burned running or walking a distance based on your body weight.

Recent race distance (km) Recent race time (minutes) Target distance (km)

Predict your finish time at a new distance from a recent result using the Riegel formula.

Distance in 12 minutes (m)

Estimate aerobic fitness from a 12-minute run using the classic Cooper test formula.

Power (watts) Body weight (kg)

Compute watts per kilogram, the key performance metric in cycling and climbing.

Vertical jump (cm) Body weight (kg)

Convert a vertical jump into peak leg power with the Sayers equation.

Wingspan (cm) Height (cm)

Find your ape index — wingspan minus height — the climber's favourite measurement.

Runs scored Balls faced

Work out a cricket batting strike rate — runs per 100 balls faced.