Bike cadence & speed
Bike cadence & speed: use wheel circumference, pedal cadence, front chainring teeth. Review the formula, worked example and calculation steps.
Inputs
Use the units shown—
Enter your values and select Calculate.
Formula & explanation
Speed = circumference × cadence × front/rear ×60/1000
Variables & units
- Wheel circumference
- m · minimum 0.000001, maximum 1000000000000
- Pedal cadence
- rev/min · minimum 0, maximum 1000000000000
- Front chainring teeth
- Numeric value · minimum 1, maximum 200
- Rear sprocket teeth
- Numeric value · minimum 1, maximum 200
Worked example
Use the example inputs to explore this model; the solution shows each supplied quantity.
Assumptions
Ideal gear relationship without wheel slip; wheel circumference should reflect the actual tire.
Formula version 1.0.0. JavaScript floating-point arithmetic applies. Results display up to 6 decimal places; stored values retain available precision. Use the units shown.
Practice with an example
Use the default input values to find the answer. The reset icon restores those values.
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