225/50R18 Tire Pressure
Discover the load limits at various inflation pressures for 225/50R18 tires to ensure your vehicle's tires are properly inflated for a safe and comfortable drive.
225/50R18 is a Metric tire that comes in a Standard Load (SL) range and an Extra Load (XL) range.
Standard load (SL) size has a load index of 95 with a maximum load capacity of 1521 lbs at 36 psi, capable of supporting up to 1521 pounds when inflated to its maximum air pressure of 36 pounds per square inch.
Extra load (XL) size has a load index of 99 with a maximum load capacity of 1709 lbs at 42 psi, capable of supporting up to 1709 pounds when inflated to its maximum air pressure of 42 pounds per square inch.
225/50R18 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 225/50R18 | 95 | SL | 1166 lbs | 1272 lbs | 1376 lbs | 1479 lbs | 1521 lbs (95 SL) | |||
| 225/50R18 | 99 | XL | 1164 lbs | 1270 lbs | 1373 lbs | 1475 lbs | 1508 lbs | 1576 lbs | 1676 lbs | 1709 lbs (99 XL) |
Use the tire pressure calculator to determine proper inflation for new tire size when replacing 225/50R18 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.