🚴 Cycling Power Converter
Convert Watts to W/kg and calculate your training zones
FTP
250W
W/kg
3.57
Level
Competitive Amateur
20-min Test Power
263W
Calories/Hour @ FTP
900 kcal
Weight
70.0 kg
Est. Flat Speed
547.7 km/h
🎯 Training Power Zones
1Active Recovery
Easy spinning, recovery rides
0-138W
0.00-1.96 W/kg
2Endurance
Long steady rides, fat burning
140-188W
2.00-2.68 W/kg
3Tempo
Spirited group rides, steady effort
190-225W
2.71-3.21 W/kg
4Lactate Threshold
Time trials, sustained hard efforts
228-263W
3.25-3.75 W/kg
5VO2 Max
Hard intervals, 3-8 minutes
265-300W
3.79-4.29 W/kg
6Anaerobic
Short intervals, 30s-2min
303-375W
4.32-5.36 W/kg
7Neuromuscular
Sprints, max efforts <30s
378-∞W
5.39-∞ W/kg
🏔️ Estimated Speeds at FTP
Flat (0%)
547.7 km/h
Rolling (2%)
464.8 km/h
Climbing (6%)
21.6 km/h
Steep (10%)
13.0 km/h
* Estimates based on 70kg rider, standard position, no wind. Actual speeds vary.