Sports

Pace, VO₂, 1RM, cycling, swim.

6 calculators · 3 sub-fields

Running pace

4 calculators

Calories burned calculator Calories burned by activity using MET values from the Compendium of Physical Activities. →
Marathon time predictor Riegel-formula prediction of finish time at any distance from a known race result. →
Running pace Pace, speed and predicted finish times for any run. →
VO2 max calculator (Cooper test) Estimate VO2 max from a 12-minute run distance and assess cardio fitness. →

1RM

1 calculator

One-rep max calculator Estimate your 1RM from a tested rep-max using 5 classic formulas. →

Cycling

1 calculator

Cycling power calculator Watts needed to ride at a given speed, accounting for grade and wind. →