P225/40R18 Tire Pressure
Discover the load limits at various inflation pressures for P225/40R18 tires to ensure your vehicle's tires are properly inflated for a safe and comfortable drive.
P225/40R18 is a P-Metric tire that comes in a Light Load (LL) range and a Standard Load (SL) range.
Light load (LL) size has a load index of 83 with a maximum load capacity of 1074 lbs at 36 psi, capable of supporting up to 1074 pounds when inflated to its maximum air pressure of 36 pounds per square inch.
Standard load (SL) size has a load index of 88 with a maximum load capacity of 1235 lbs at 35 psi, capable of supporting up to 1235 pounds when inflated to its maximum air pressure of 35 pounds per square inch.
P225/40R18 Tire Pressure Chart
| Tire Size | Load Index | Load Range | 26 psi | 29 psi | 32 psi | 35 psi | 36 psi | 38 psi | 41 psi | 42 psi |
|---|---|---|---|---|---|---|---|---|---|---|
| P225/40R18 | 83 | LL | 926 lbs | 981 lbs | 1025 lbs | 1074 lbs | 1074 lbs (83 LL) | |||
| P225/40R18 | 88 | SL | 1023 lbs | 1096 lbs | 1166 lbs | 1235 lbs (88 SL) |
Use the tire pressure calculator to determine proper inflation for new tire size when replacing P225/40R18 tires.
All listed guides, data and/or calculations are for informational purposes only. TirePressure.com does not warrant or make any representations regarding the accuracy of or the results of the use of this information.