FTP & Power Zones
Cycling FTP calculator.
Estimate Functional Threshold Power from a 20-minute test (× 0.95) or a ramp test (peak 1-min × 0.75). Pair with your weight to see W/kg and Coggan zones.
FTP = 20-min avg × 0.95
FTP
238W
W/kg
3.31
Category
Good
Z1 · Active Recovery
0–131W
Z2 · Endurance
133–179W
Z3 · Tempo
181–214W
Z4 · Threshold
217–250W
Z5 · VO2max
252–286W
Z6 · Anaerobic
288–357W
Z7 · Neuromuscular
359+W