Cycling Calculators
Power, FTP, gear ratio, and cycling-specific calculators.
FTP Percentile Calculator
See exactly where your cycling FTP sits compared to other cyclists in your age and gender group. Enter your Functional Threshold Power and weight to get your W/kg percentile, Coggan power level, and a concrete plan to reach the next tier.
Try CalculatorIndoor Bike Fit Calculator
Get a starting saddle height and handlebar reach for any spin bike or indoor trainer — Peloton, Technogym Group Cycle, NordicTrack, and generic studio bikes — from your height and inseam.
Try CalculatorIronman Race TSS Planner
Work backwards from a TSS budget to find your optimal bike watts, run pace, and swim pace for Ironman or Ironman 70.3. Powered by Coggan & Allen's TSS framework.
Try CalculatorKeiser M3i Bike Fit Calculator
Get a starting saddle height and handlebar reach for a Keiser M3i, in centimeters, plus how to translate that onto the M3i's own numbered adjustment posts — from your height and inseam.
Try CalculatorLife Fitness IC7 Bike Fit Calculator
Get a starting saddle height and handlebar reach for a Life Fitness IC7 (built by ICG), in centimeters, from your height and inseam — the indoor cycle you'll find in most big-box commercial gyms.
Try CalculatorPeloton Bike Fit Calculator
Get a starting saddle height and handlebar reach for a Peloton Bike or Bike+, in centimeters — the same units printed on the bike's own seat-post and stem markings — from your height and inseam.
Try CalculatorStages SC3 Bike Fit Calculator
Get a starting saddle height and handlebar reach for a Stages SC3, in centimeters, from your height and inseam — for the studio bike behind Stages-powered cycling classes.
Try CalculatorTechnogym Group Cycle Setup Calculator
The 4 notch numbers for a Technogym Group Cycle — saddle height, saddle fore/aft, bar height, and bar reach — scaled from your height against a real, plumb-line-verified fit on the bike.
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