FTP cycling power calculator

Estimate functional threshold power (FTP) from a 20-minute test using the standard 95% multiplier, plus power-zone targets.

Estimated FTP (watts)

20-min × 0.95

Show the work

  • Power-to-weight (W/kg)3.11
  • Z1 active recovery upper (W)128
  • Z2 endurance upper (W)175
  • Z3 tempo upper (W)209
  • Z4 threshold (95-105% FTP) lower (W)212
  • Z5 VO2max (106-120% FTP) lower (W)247

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