◎ Free tool
Enter your best 20-minute average power and weight. Get your estimated FTP, W/kg, and cycling fitness level.
Gender
◎ How to test
Warm-Up (15–20 min)
Easy riding with a few 1-minute high-cadence efforts to prime your legs.
20-minute Test
Ride at your absolute best sustainable effort. Don't start too hard — aim for even pacing. Record your average power for the full 20 minutes.
Cool-Down (10–15 min)
Easy riding to bring heart rate down and aid recovery.
Your FTP is typically 95% of your 20-minute average power. Enter your number into the calculator to get your full result.