Cycling Lap Time Calculator
Rider Weight (kg):
Bike Weight (kg):
Average Power (W):
Rider Position (CdA):
Upright (~0.35)
On the Drops (~0.33)
Aggressive Drops (~0.28)
Very Aero (~0.26)
TT-ish (~0.24)
Temperature (°C):
15
Humidity Level:
Very Dry (~20%)
Dry (~35%)
Comfortable (~50%)
Humid (~65%)
Very Humid (~80%)
Tropical (~95%)
Wind Speed (mph):
Surface Type (Crr):
Smooth Tarmac (Crr 0.0025)
Regular Tarmac (Crr 0.0028)
Rough Tarmac (Crr 0.0032)
Indoor Wood (Crr 0.0018)
Barometric Pressure (mb, optional):
Use one-lap calibration (match a prior lap to refine CdA)
Calibration Lap Time (s):
Calibration Power (W):
Calculate Lap Times