Bicycle gears and cadence calculator Bicycle gears and cadence calculator

Quick start

Compare every cassette sprocket using your wheel measurement.

  1. Enter chainring, cassette and wheel rollout
  2. Set cadence and target speed
  3. Calculate and export the gear comparison

Bicycle gears and cadence calculator

Compare a cassette at your cadence using measured wheel rollout. Find the cadence needed for a target speed and export every gear.

Compare up to 20 different sprockets for one chainring. Speed assumes no wheel slip. Measured wheel circumference is more useful than the nominal tire label; the diameter option is a geometric estimate.

Use integer tooth counts from 1 to 100 and do not repeat a sprocket. This is a gearing calculation, not a prediction of power, climbing ability or component compatibility.

Bicycle gears and cadence calculator

Compare a cassette at your cadence using measured wheel rollout. Find the cadence needed for a target speed and export every gear.

Compare up to 20 different sprockets for one chainring. Speed assumes no wheel slip. Measured wheel circumference is more useful than the nominal tire label; the diameter option is a geometric estimate.

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