How do you calibrate a tire pressure gauge?

[askmrjesus]

Originally Posted by Sean

Indeed. It is consistently inaccurate, so there's that. I really like this gauge (aside from the fact that it doesn't freaking work) because it's got some really cool features I haven't seen elsewhere. I think I'm just going to dial it up somewhere near what all the others I see read and call it a day.

That makes sense. All that really matters is that you get the same reading everytime the air pressure matches. If the gauge says 33.5, and you like how the tires feel, 33.5 is "correct".

JC