Fwiw, outside the USA they use millibars when talking about air pressure, like in weather forecasts insteads of the inches (of mercury) used in US public broadcasts.

Sent from my iPhone

> On Feb 10, 2020, at 19:10, Eric Caron <ericcaron96@comcast.net> wrote:
> 
> I wondered how long it would take for this thread to degrade! 
> 
> But I now am able to ask Alexa for conversions and I’m figuring it out pretty easily.  At this point even if it gets stuck on bars I’ll have a pretty good idea if I’m close to the desired PSI. 
> 
> Thanks folks. 
> 
> Eric Caron 
> 
> 
>> On Feb 10, 2020, at 7:06 PM, Dan N <dn92610@gmail.com> wrote:
>> 
>> the Europeans use Bar instead of PSI...
>> here's a joke on the other side of the pond...
>> 
>> - how many bars you have?
>> - 4
>> - 4 bars?.. and how many drinks?
>> :-)
>> 
>> On Mon, Feb 10, 2020 at 2:32 PM Eric Caron <ericcaron96@comcast.net <mailto:ericcaron96@comcast.net>> wrote:
>> I just received a replacement talking tire pressure gage.  On one setting it read 37.5 PSI
>> On another setting it read 2.5 Bars. 
>> 
>> Not sure how to Google this question so I’m asking 
>> 
>> What are bars and how do they relate to tire pressure. 
>> 
>> Eric Caron