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Timely question as I have been thinking about this.
I dont think the watches have stride length set anywhere. I suspect the watches that estimate distance are just using an average stride length value - so they are probably wrong (I could be wrong as I have not checked what they do.)
Stride length can be estimated from height using a formula. See the thread on calories.
https://forum.espruino.com/conversations/391450/#comment17183506Calculating stride length from height is more accurate than using an average but
a persons actual stride length may be slightly different from their actual if using one of the measurement methods. I am pretty certain my stride length is a couple of cm longer than what is suggested from my height.However we really need to agree where certain attributes of personal data will be stored.
Some people have strong preferences on personal data (age, height, weight, male/female).
I was about to post about how this could be done. It could be done using a plug in App a bit like 'My Location' works. That way the settings can be added as a plugin app and if anyone
does not want such personal data stored on their watch then they dont install the app. It could also be part of the Health App.I will start a seperate thread to discuss this in more general.
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HughB
@user140377
I noticed that some watches do calculate the distance from the steps. Probably just multiplied by the stride length. Shall we add that to the health app? Any opinion on this?