GM Service Manual Online
For 1990-2009 cars only

Conversion Table of Tire Pressure (Kilopascal to pounds per square inch)

kPa

psi

kPa

psi

See Vehicle Certification Label for correct tire inflation pressure and tire load installed at the factory. Tire pressure is printed in kPa and pounds per square inch (psi). The proper tire inflation pressure at the factory means the cold tire pressure. Cold means your vehicle has been parked for at least 3 hours or driven no more than 1 mile (1.6  km). Check the tire inflation pressure when the tire is cold.

140

20

215

31

145

21

220

32

155

22

230

33

160

23

235

34

165

24

240

35

170

25

250

36

180

26

275

40

185

27

310

45

190

28

345

50

200

29

380

55

205

30

415

60

Conversion: 6.9 kPa=1 psi