Free cycling calculators & tools
Calculate the numbers that structure your training — FTP, power and heart rate zones, training stress, and more. Every calculator is free, based on established sports science, and explains what the result means for your training.
Power
FTP Calculator
Estimate your FTP from a 20-minute, ramp, or 8-minute test and get your power zones.
Critical Power Calculator
Model your critical power and W′ from two or three maximal efforts.
Power Zones Calculator
Turn your FTP into training zones with exact watt ranges.
How Good is My FTP?
Compare your FTP and W/kg against rider categories.
Power to Weight Calculator
Calculate your W/kg — the number that matters when the road tilts up.
Cycling Workouts
100+ structured workouts by goal and category, with indoor and outdoor instructions and free downloads.
Workout Builder
Build structured intervals visually and export ZWO, ERG & MRC files — free, no login.
Heart Rate & Zones
Training Load
Fitness & Racing
VO2 Max Calculator
Estimate your VO2 max from FTP or resting heart rate.
Running Pace Calculator
Convert race goals into target paces and estimated finish times.
Cycling Calorie Calculator
Calculate calories burned cycling from power data or speed and weight.
Race Time Predictor
Predict your 5K to marathon times from any recent race result.
A coach who's seen every ride you've done
Ask FormBeat's AI Coach anything - what to ride today, why a session felt flat, how to pace your next race - and it answers from your real training: your power, your history, how you're recovering. Not generic tips, but a read of what each ride actually meant and what to do next.
The guidance you'd pay a coach for - for the price of an app.
