Cycling
FTP, cycling power, speed, calories, tire pressure and frame size calculators
FTP Calculator
Estimate cycling Functional Threshold Power from 20-minute, 8-minute, 5-minute, ramp or 60-minute tests, with formula categories and power zones.
Cycling Calories Calculator
Estimate calories burned while biking from MET intensity or average cycling power, with kcal, kJ, MET equivalent and hourly burn.
Cycling Speed Calculator
Calculate bike speed from gear ratio, wheel circumference and cadence, or estimate speed from cycling power, weight, slope and wind.
Bike Tire Pressure Calculator
Estimate front and rear bike tire pressure in psi and bar from rider weight, bike weight, tire width, rim width, surface and tire type.
Bike Frame Size Calculator
Estimate road, gravel or mountain bike frame size from height and inseam, with saddle-height, reach and stack starting points.