Fitness calculators

Project fat loss and muscle gain over time.

MET-based calorie burn for walking.

Loading and maintenance creatine dose by body weight.

Estimate FTP from a 20 minute, 8 minute or ramp test and get all seven power zones.

Compare powerlifting totals across bodyweights with the DOTS coefficient.

Fat free mass index with the height-normalised adjustment.

Required per-mile pace for a target marathon finish time.

Exactly which plates go on each side of the bar for any target weight.

Predict race times from a recent result.

Split time and pace for rowing machine workouts.

Even and negative split pacing for a race.

Convert daily steps into calories and distance.

Convert step count to miles or kilometres.

Pace per 100, total set time and lap counts for any pool length.

Simple percent-of-max training ranges.

Total race time from swim, bike, run and transitions.

Time, distance and pace for walks and hikes, including Naismith's rule for climbs.