The number “2.0” displayed on a treadmill console represents the distance the running belt has traveled since the workout began. Many users find the exact meaning of this number confusing because treadmills operate using one of two major measurement standards. Understanding how the machine measures this distance and how the unit is defined is necessary for accurately tracking fitness progress.
Understanding the Displayed Units
The number 2.0 on a treadmill screen represents distance, measured in either miles or kilometers. The distinction is significant, as two miles is approximately 3.22 kilometers, representing a substantial difference in workout length. Treadmills are typically pre-set based on the region where they are sold, with North America using the imperial system (miles) and most other regions using the metric system (kilometers).
Users can usually determine the active unit by looking for small labels or acronyms displayed near the distance number on the console, such as “mi” for miles or “km” for kilometers. If no label is present, the machine’s default setting is the most likely unit, typically miles in the United States and kilometers elsewhere. This unit selection affects all distance and speed readings.
The Mechanics of Distance Measurement
The treadmill calculates the distance reading by tracking the rotation of its internal components, not by directly measuring the user’s steps. This process relies on specialized sensors positioned near the front roller, the cylinder that drives the running belt. These sensors count the number of revolutions the roller completes during the workout.
The machine’s internal software uses the roller’s fixed circumference to translate each rotation into a linear distance traveled. The software continuously multiplies the total number of rotations by the circumference to calculate the cumulative distance. This calculation converts the mechanical rotation into the final distance figure displayed on the console.
Ensuring Accuracy and Adjusting Settings
Because the distance is calculated based on roller rotation, accuracy can be affected by factors like belt slippage or sensor wear. If the running belt stretches or loses tension, it can slip slightly on the roller, leading to an overestimation or underestimation of the actual distance traveled. Regular maintenance, such as checking and adjusting belt tension, helps maintain the integrity of the distance measurement.
Users who need to switch the displayed unit from miles to kilometers, or vice versa, typically access a hidden settings menu. This often involves a specific combination of button presses, such as holding the “Stop” button while inserting the safety key. Once in the settings, the user can select the desired metric or imperial unit.