Free Cycling Calculators & Training 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 riding.
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.
Heart Rate Zones Calculator
Build 5- or 7-zone heart rate models from max HR or LTHR.
Lactate Threshold Calculator
Estimate your threshold heart rate and power from a field test.
Zone 2 Calculator
Find your Zone 2 range for aerobic base training.
VO2 Max Calculator
Estimate your VO2 max from FTP or resting heart rate.
How Good is My FTP?
Compare your FTP and W/kg against rider categories.
TSS Calculator
Score a ride's training stress from duration, power, and FTP.
Power to Weight Calculator
Calculate your W/kg — the number that matters when the road tilts up.
Variability Index Calculator
Measure how smooth your pacing was.
Intensity Factor Calculator
See how hard a ride was relative to your threshold.
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.
Training Glossary
What do all these metrics actually mean? Plain-language explanations.
AI Cycling Coach
Ask training questions and get answers based on your actual rides.
Stop calculating. Start improving.
FormBeat computes all of this automatically from your rides — FTP, zones, training load, and fitness trends — and tells you what to train next.
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More Cycling Calculators
- FTP calculator
- Critical Power Calculator
- Cycling Power Zones Calculator
- Heart Rate Zones Calculator
- Lactate Threshold Calculator
- Zone 2 Calculator
- VO2 Max Calculator
- How good is my FTP?
- TSS calculator
- Power to Weight calculator
- Variability Index calculator
- Intensity Factor calculator
- Running Pace Calculator
- Cycling Calorie Calculator
- Race Time Predictor
AI Cycling Coach
Get instant, personalized answers about your training.
FormBeat's AI Coach understands your entire training history, fitness level, and every ride you've logged. Get actionable insights and personalized advice to level up your training.
