The unit of pressure in the SI is, in fact, the pascal. 100 psi = 689.5 kPa. For whatever reason we use bars for the tyres, tho. My car tyres run at 2.3 bar, which is a nice and easy number to remember not like the equivalent 33.358679678 psi, so ugly and difficult.
The unit of pressure in the SI is, in fact, the pascal. 100 psi = 689.5 kPa. For whatever reason we use bars for the tyres, tho. My car tyres run at 2.3 bar, which is a nice and easy number to remember not like the equivalent 33.358679678 psi, so ugly and difficult.