How wide is a 33 inch tire?
John Thompson
Updated on January 10, 2026
A few special-purpose tires, like PAX system tires, use a metric designation for rim diameter. A standard sized tire will be displayed in inches. A tire that reads 33 x 12.5 R15, is 33-inches in diameter (or tall), 12.5-inches wide, and will fit a 15-inch wheel.