Sports calculators

Pace, power, and performance math for every sport.

Running, cycling, swimming, and gym math — from race pace and splits to power-to-weight and training-load calculations.

Calculators
165
Topics: All Running (14) Cycling (10) Swimming (8) Gym (2)
165 results
Sports / Running

Marathon Time Predictor

Project your marathon finish time from a recent shorter-race time using the classic Riegel race-time formula.

basic
2,778 3.9 1 min
Sports / Cycling

Cycling Power Calculator

Estimate the power required to cycle at a given speed on a given grade, accounting for rolling resistance, aerodynamic d...

basic
5,780 4.3 1 min
Sports / Gym

Golf Handicap Calculator

Compute the handicap differential of a single round of golf from your adjusted gross score, the course rating, and the s...

basic
18,856 5.0 1 min