Fitness & activity

How do activity numbers compare?

Pace, time, distance, training volume and standard strength estimates.

5 calculator topics · 25 planning modes. Open a calculator to choose calculation, reverse-solving, comparison or sensitivity analysis.

Calculate pace, speed and predicted duration from an entered distance and time

Estimate elapsed exercise time, distance and pace from an editable speed

Estimate age-based training-zone ranges using a common maximum-heart-rate formula

Estimate a one-repetition maximum and percentage-based training loads from a recent set

Track weekly sessions, duration and distance increases with an editable progression rate