315/30R21 Tire Pressure Chart

315/30R21 tire pressure chart with maximum tire load capacity at specified tire inflation levels for 315/30R21 tires. Apply the chart below to find corresponding tire inflation and load capacity levels to ensure proper application for your vehicle. Learn how to apply tire load inflation tables when replacing original equipment tires with optional or plus tire sizes.

Tire Size Load Index Load Range 26 psi 27 psi 28 psi 29 psi 30 psi 31 psi 32 psi 33 psi 34 psi 35 psi 36 psi 37 psi 38 psi 39 psi 40 psi 41 psi 42 psi
315/30R21
105 XL
105 XL 1492 lbs 1528 lbs 1565 lbs 1601 lbs 1636 lbs 1672 lbs 1707 lbs 1741 lbs 1776 lbs 1810 lbs 1843 lbs 1876 lbs 1909 lbs 1942 lbs 1974 lbs 2007 lbs 2039 lbs Show Specs

All Tire Sizes | Metric Tire Load Inflation Table

Tire models with 315/30R21 tire size

Click on tire model to see its tire size chart with maximum tire load capacity and tire inflation.

Tire Pressure Guide