How do you convert MPH to RPM on a stationary bike

Converting miles per hour (MPH) to revolutions per minute (RPM) on a stationary bike is essential for tracking your progress and ensuring an effective workout. Here's a step-by-step guide to do it:

Identify the flywheel weight: Most stationary bikes have a flywheel weight, measured in kilograms (kg) or pounds (lb). Locate this information on the bike or in the user manual.
Convert flywheel weight to inertia: Multiply the flywheel weight by 0.0113 to convert it to inertia in kg-m^2. For example, a 20 kg flywheel has an inertia of 0.226 kg-m^2.
Calculate distance per revolution: Multiply the flywheel inertia by 2π (6.283) to get the distance covered per revolution in meters. Using our example, this gives us 1.42 meters per revolution.
Convert distance to MPH: Multiply the distance per revolution by the desired MPH. For instance, to convert 12 MPH, we multiply 1.42 meters per revolution by 12 MPH, giving us 16.92 meters per minute.
Convert meters per minute to RPM: Divide the meters per minute by the distance per revolution. Using our example, we divide 16.92 meters per minute by 1.42 meters per revolution, giving us 11.91 RPM.

So, to convert 12 MPH to RPM on a stationary bike with a 20 kg flywheel, the result is approximately 11.91 RPM.

What is the lowest RPM on a stationary bike? Usually around 40-50 RPM.
What is a good RPM for a stationary bike workout? 70-90 RPM for beginners, 80-100 RPM for experienced riders.
How do I increase RPM on a stationary bike? Use a higher gear or pedal faster.
How do I track my RPM on a stationary bike? Use a bike computer or a smartwatch with a fitness tracker.
What is the difference between RPM and cadence? RPM measures the actual number of revolutions per minute, while cadence measures the number of pedal strokes per minute.

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How do you convert MPH to RPM on a stationary bike?

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