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Cadence-Speed Calculator | Tools
Cadence-Speed Calculator - Speed from cadence and gear ratio: Speed = cadence x gear ratio x wheel circumference x 60 / 1000000 (km/h)
Built by an engineer who chases finish lines and is obsessed with data. Thomas Prommer — technology executive who has worked with Google, Apple, Nike, Adidas, Netflix and other global brands. Also an Ironman finisher, HYROX Pro Division competitor, and marathon runner. These tools combine engineering rigor with real race experience.
Cadence-Speed Calculator
Speed from cadence and gear ratio: Speed = cadence x gear ratio x wheel circumference x 60 / 1000000 (km/h).
Methodology
Speed from cadence and gear ratio: Speed = cadence x gear ratio x wheel circumference x 60 / 1000000 (km/h). Wheel circ ~2.1m for 700x25c.
FAQ
How does this work?
Speed from cadence and gear ratio: Speed = cadence x gear ratio x wheel circumference x 60 / 1000000 (km/h). Wheel circ ~2.1m for 700x25c.
How accurate?
Based on established formulas.
Who is this for?
Athletes and fitness enthusiasts.
Need professional advice?
Yes for medical conditions.
Estimates based on established formulas.
If something isn't working, please tell us.