P315/30R18 Tire Pressure
Discover the load limits at various inflation pressures for P315/30R18 tires to ensure your vehicle's tires are properly inflated for a safe and comfortable drive.
P315/30R18 is a P-Metric tire that comes in a Light Load (LL) range.
Light load (LL) size has a load index of 91 with a maximum load capacity of 1356 lbs at 36 psi, capable of supporting up to 1356 pounds when inflated to its maximum air pressure of 36 pounds per square inch.
P315/30R18 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| P315/30R18 | 91 | LL | 1179 lbs | 1246 lbs | 1312 lbs | 1356 lbs | 1356 lbs (91 LL) |
Use the tire pressure calculator to determine proper inflation for new tire size when replacing P315/30R18 tires.
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