Tire gauges for air pressure as well as most other gauges used in an industrial environment take into account the pressure due to atmosphere on earth that's why your car gauge reads zero before you put it in on your tire to check your pressure this is called gauge pressure. The real pressure with any tire or after or other objects containing pressurized stuff would be a combination of what the gauge reads as well as the atmospheric pressure. If a gauge on a tire reads 26.23 psi what is the real pressure in the tire pascals? The atmospheric pressure is 1.01×10 to the fifth power PA

Tire gauges for air pressure as well as most other gauges used in an industrial environment take into account the pressure due to atmosphere on earth that's why your car gauge reads zero before you put it in on your tire to check your pressure this is called gauge pressure. The real pressure with any tire or after or other objects containing pressurized stuff would be a combination of what the gauge reads as well as the atmospheric pressure. If a gauge on a tire reads 26.23 psi what is the real pressure in the tire pascals? The atmospheric pressure is 1.01×10 to the fifth power PA