Speed / Cadence Calculator

Enter your target speed and cadence to find matching gear combinations.
Enter your desired speed in kilometers per hour (10-60 km/h).
Enter your desired pedaling rate in revolutions per minute (40-150 rpm).
Calculation Summary
Target Speed (km/h)
30 km/h
Cadence (rpm)
90 rpm
Required Rollout
5.556 m

Recommended Gears

FrontRearRollout(m)Diff(m)Speed @ Cadence (km/h)
47T18T5.562 m-61.1 cm30.0 km/h
34T13T5.571 m-152.1 cm30.1 km/h
39T15T5.538 m175.6 cm29.9 km/h
52T20T5.538 m175.6 cm29.9 km/h
42T16T5.591 m-356.9 cm30.2 km/h
44T17T5.513 m426.1 cm29.8 km/h
50T19T5.605 m-497.1 cm30.3 km/h
31T12T5.502 m530.6 cm29.7 km/h
49T19T5.493 m624.0 cm29.7 km/h
36T14T5.477 m784.1 cm29.6 km/h
41T16T5.458 m974.3 cm29.5 km/h
46T18T5.443 m1122.2 cm29.4 km/h
51T20T5.431 m1240.6 cm29.3 km/h
33T13T5.407 m1486.3 cm29.2 km/h
38T15T5.396 m1595.6 cm29.1 km/h
43T17T5.388 m1679.1 cm29.1 km/h
48T19T5.381 m1745.0 cm29.1 km/h
53T21T5.376 m1798.4 cm29.0 km/h
30T12T5.325 m2305.6 cm28.8 km/h
35T14T5.325 m2305.6 cm28.8 km/h
Front47T
Rear18T
Rollout(m)5.562 m
Diff(m)-61.1 cm
Speed @ Cadence (km/h)30.0 km/h
Front34T
Rear13T
Rollout(m)5.571 m
Diff(m)-152.1 cm
Speed @ Cadence (km/h)30.1 km/h
Front39T
Rear15T
Rollout(m)5.538 m
Diff(m)175.6 cm
Speed @ Cadence (km/h)29.9 km/h
Front52T
Rear20T
Rollout(m)5.538 m
Diff(m)175.6 cm
Speed @ Cadence (km/h)29.9 km/h
Front42T
Rear16T
Rollout(m)5.591 m
Diff(m)-356.9 cm
Speed @ Cadence (km/h)30.2 km/h
Front44T
Rear17T
Rollout(m)5.513 m
Diff(m)426.1 cm
Speed @ Cadence (km/h)29.8 km/h
Front50T
Rear19T
Rollout(m)5.605 m
Diff(m)-497.1 cm
Speed @ Cadence (km/h)30.3 km/h
Front31T
Rear12T
Rollout(m)5.502 m
Diff(m)530.6 cm
Speed @ Cadence (km/h)29.7 km/h
Front49T
Rear19T
Rollout(m)5.493 m
Diff(m)624.0 cm
Speed @ Cadence (km/h)29.7 km/h
Front36T
Rear14T
Rollout(m)5.477 m
Diff(m)784.1 cm
Speed @ Cadence (km/h)29.6 km/h
Front41T
Rear16T
Rollout(m)5.458 m
Diff(m)974.3 cm
Speed @ Cadence (km/h)29.5 km/h
Front46T
Rear18T
Rollout(m)5.443 m
Diff(m)1122.2 cm
Speed @ Cadence (km/h)29.4 km/h
Front51T
Rear20T
Rollout(m)5.431 m
Diff(m)1240.6 cm
Speed @ Cadence (km/h)29.3 km/h
Front33T
Rear13T
Rollout(m)5.407 m
Diff(m)1486.3 cm
Speed @ Cadence (km/h)29.2 km/h
Front38T
Rear15T
Rollout(m)5.396 m
Diff(m)1595.6 cm
Speed @ Cadence (km/h)29.1 km/h
Front43T
Rear17T
Rollout(m)5.388 m
Diff(m)1679.1 cm
Speed @ Cadence (km/h)29.1 km/h
Front48T
Rear19T
Rollout(m)5.381 m
Diff(m)1745.0 cm
Speed @ Cadence (km/h)29.1 km/h
Front53T
Rear21T
Rollout(m)5.376 m
Diff(m)1798.4 cm
Speed @ Cadence (km/h)29.0 km/h
Front30T
Rear12T
Rollout(m)5.325 m
Diff(m)2305.6 cm
Speed @ Cadence (km/h)28.8 km/h
Front35T
Rear14T
Rollout(m)5.325 m
Diff(m)2305.6 cm
Speed @ Cadence (km/h)28.8 km/h

Guides

Disclaimer

Please read before using the calculator.

The information on this site is provided for general guidance only. While we aim to keep it accurate and up to date, we cannot guarantee completeness or correctness. Use of the information is at your own risk.

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Questions? Contact us at chiefdruid@cyclingteam.co.uk.