How Does iPhone Count Steps?
How the iPhone step counter works technically, which sensors are involved, and what Core Motion does not use.
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Stepluma Guides
Short, factual answers to common questions about steps, distance and movement on iPhone.
Why Is My iPhone Not Counting Steps Correctly?
The most common reasons iPhone shows no steps or too few steps, and how to check Motion & Fitness permission.
Read the guideHow Accurate Is the iPhone Step Counter?
Where the iPhone step counter is reliable in everyday use, where deviations happen, and why it is not a medical measurement device.
Read the guideSteps to Miles and Kilometers
Formula and worked example to convert steps into an estimated distance in kilometers or miles, plus a free calculator.
Read the guideHow to Measure Your Step Length
Two simple methods to find your own step length: measuring it directly, or estimating it from your height.
Read the guideWhat Does Floors Climbed Mean on iPhone?
How iPhone estimates floors climbed, why the numbers can differ from the actual staircase, and when no data is shown at all.
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