Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

Cycling Power Duration Curve Calculator

Estimate the maximum sustainable power you can hold for any duration from a 1-minute sprint to a multi-hour ride, using your FTP and anaerobic capacity. Ideal for race pacing and structured training planning.

Functional Threshold Power (FTP) (watts)

Anaerobic Work Capacity (joules)

Target Duration

Current Fatigue Level

Fill in the required fields to see your result.

Cycling

Cycling Speed and Time Calculator

Calculate your average cycling speed from distance and moving time, automatically subtracting rest stops. Use it after any ride to find true pace or to plan target finish times for upcoming events.

Distance (km)

Hours (h)

Minutes (min)

Rest/Stop Time (min)

Fill in the required fields to see your result.

Key differences

	Cycling Power Duration Curve Calculator	Cycling Speed and Time Calculator
Category	Cycling	Cycling
Inputs required	4	4
Result	Sustainable Power (watts)	Average Moving Speed (km/h)
What it does	Estimate the maximum sustainable power you can hold for any duration from a 1-minute sprint to a multi-hour ride, using your FTP and anaerobic capacity. Ideal for race pacing and structured training planning.	Calculate your average cycling speed from distance and moving time, automatically subtracting rest stops. Use it after any ride to find true pace or to plan target finish times for upcoming events.