Cycling Calculators
Calculate average cycling speed or compare a chainring and sprocket combination without doing long division at the side of the road.
Healthy After 45No miracles. No nonsense. Just the work.
Cycling Speed
Enter the distance and elapsed time to calculate average speed. Descents and heroic tailwinds are included at no extra charge.
Time
Average speed
Average speed
Time per kilometre
Bike Gear Ratio
See what a chainring and sprocket combination actually means before buying more components. A radical concept, admittedly.
Gear ratio
Gear inches
Distance per revolution
Speed at selected cadence
Tyre sizes are nominal and real circumference varies with tyre, pressure, rim, load, and whichever mood the measuring tape is in.