FTP Estimator
Find Your Threshold
Estimate your FTP from 20-min, ramp, or 8-min tests — the foundation of all power-based training.
Testing Protocols
20-Minute Test
Most common
× 0.95
Ride all-out for 20 minutes. Multiply average power by 0.95.
Ramp Test
Indoor trainers
× 0.75
Ramp until failure. Take 75% of your best 1-minute power.
8-Minute Test
Pacing help
× 0.90
Two 8-minute efforts. Average them, then multiply by 0.90.