Bike Cadence & Speed Calculator
Result
Bike Cadence & Speed Calculator Work out your cycling speed from your pedalling cadence (RPM), gearing, and wheel size. The calculator finds your gear ratio, wheel circumference, and how far you travel per pedal stroke, then combines them with your cadenc — free online calculator.
Formula
- Bike Cadence & Speed Calculator calculates its result from Cadence, Chainring Teeth (front), Sprocket Teeth (rear), Wheel Diameter. It uses the formula Gear Ratio = Chainring / Sprocket. Wheel Circ = π × diameter(m). Speed = Cadence × GR × Circ / 60 m/s.. Change any input to recalculate the result instantly.
- The main inputs are Cadence, Chainring Teeth, Sprocket Teeth, Wheel Diameter. Enter them in the units and format shown in the calculator.
- Use the units, labels and assumptions shown beside each input so the formula is applied consistently.
- Changing any input above recalculates the result with the same calculation engine used by this page.
Example: Bike Cadence & Speed
- Cadence: 90
- Chainring Teeth: 50 front
- Sprocket Teeth: 17 rear
- Wheel Diameter: 700
Using Cadence = 90, Chainring Teeth (front) = 50, Sprocket Teeth (rear) = 17, Wheel Diameter = 700, the calculated result is 2.9411764706.
Sample result: Calculating…
Frequently asked questions
What does the Bike Cadence & Speed calculate?
Bike Cadence & Speed Calculator Work out your cycling speed from your pedalling cadence (RPM), gearing, and wheel size. The calculator finds your gear ratio, wheel circumference, and how far you travel per pedal stroke, then combines them with your cadenc — free online calculator.
Which values should I enter?
Enter Cadence, Chainring Teeth, Sprocket Teeth, Wheel Diameter using the units and format shown beside each field.
What formula does this calculator use?
The calculator uses the following relationship: Gear Ratio = Chainring / Sprocket. Wheel Circ = π × diameter(m). Speed = Cadence × GR × Circ / 60 m/s..
Why might my result differ from another source?
Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.
Does the result update automatically?
Yes. Changing an input updates the result using the same calculation engine shown on this page.