LT355/65R18 in Inches

Tire size LT355/65R18 refers to the tire size in numbers and letters such as the first number “355” indicates the tire width in millimeters, the second number “65” indicates the aspect ratio of the tire and the last number indicates the diameter of the tire. A LT355/65R18 tire in inches can be described as a tire with a width of about 14 inches, a sidewall height of about 9.1 inches, and it fits on a 18-inch wheel.

Converting LT355/65R18 in Inches

LT355/65R18 inches mm
Tire Diameter 36.2 inches 919 mm
Tread Width 14 inches 355 mm
Rim Diameter 18 inches 457 mm
Sidewall Height 9.1 inches 231 mm
Circumference 113.7 inches 2886 mm
Revolutions 557 per mile 347 per km

Tire Size Calculator

The Tire Size Calculator is a convenient online tool that helps determine the correct tire dimensions for a vehicle, ensuring optimal performance and compatibility.

Tire Diameter
Tread Width
Rim Diameter
Sidewall Height

LT355/65R18 Alternate Tire Size

Tire Size Overall Diameter Difference
295/65R20 35.1″ (892 mm) -2.9%
275/80R18 35.3″ (897 mm) -2.4%
325/60R20 35.4″ (898 mm) -2.3%
315/70R18 35.4″ (899 mm) -2.2%
375/60R18 35.7″ (907 mm) -1.3%
305/75R18 36″ (915 mm) -0.4%
375/55R20 36.2″ (920 mm) 0.1%
355/60R20 36.8″ (934 mm) 1.6%

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