Tire Size 355/65r18 in inches

The tire size 355/65R18 is equivalent to 36.2x14R18 in inches, has a diameter of 36.2 inches (918.7 mm), a section width of 14 inches (355 mm), a wheel diameter of 18 inches (457 mm), and is approved to be mounted on wheels ranging from 10 to 12 inches wide. This comprehensive measurement guide provides detailed insights into the dimensions, relevant specifications, and potential applications of this tire size.

355/65r18 in inches

This Table chart provides a comprehensive overview of measurements in both inches and millimeters simultaneously.

FeatureInchesMetric (mm)
Tire Diameter36.2918.7
Section Width14355
Rim Height18457
Sidewall Height9.1230.8
Revolutions347 per km557 per mile

How Tall Is A 355/65R18 Tire?

The tire height of the 355/65R18 tire size is an impressive 36.2 inches, or 918.7 millimeters. This measurement is also referred to as the tire’s overall diameter. It plays a crucial role in determining the vehicle’s ground clearance, the ride quality, and its compatibility with various wheel sizes.

What Is the 355/65R18 Width In Inches?

The tread width of the 355/65R18 tire size is 14 inches, or 355 millimeters. The tread width influences the tire’s contact with the road surface, affecting traction, braking, and cornering capabilities. A larger section width also allows for better heat dispersion, enhancing tire longevity.

What Is the 355/65R18 Sidewall Height?

The sidewall height of the 355/65R18 tire size is 9.1 inches, or 230.8 millimeters. This is determined by multiplying the section width by the aspect ratio, then converting from millimeters to inches. Sidewall height impacts the tire’s cushioning effect and can influence ride comfort and handling.

What Is the 355/65R18 Tire Circumference?

The circumference of the 355/65R18 tire size is approximately 113.6 inches, or 2886.2 millimeters. The tire’s circumference has a direct relationship with speedometer readings, fuel efficiency, and tire rotations per mile or kilometer.

What Is the 355/65R18 Revolutions Per Mile?

For the 355/65R18 tire size, there are approximately 557 revolutions per mile or 347 revolutions per kilometer. Revolutions per mile influence vehicle’s odometer and speedometer accuracy.

What Is the 355/65R18 Rims Size?

For the 355/65R18 tire size, the rim diameter is 18 inches, or 457 millimeters. Rim size is a crucial consideration when choosing tires, as it needs to match the tire’s inner diameter for proper fitment.

Fitment Guide
This will guide you on which vehicles can suitably fit the 355/65R18 tire size. Always consult your vehicle’s owner manual or a professional before installation.

Replacement Tire Size
Replacement tires have to be within 3% of the total diameter of your original tires to ensure compatibility with your vehicle’s suspension, brake clearance, and gearing.

Tire SizeOverall DiameterDifference
275/80R1835.3″ (897 mm)-2.4%
315/70R1835.4″ (899 mm)-2.2%
375/60R1835.7″ (907 mm)-1.3%
305/75R1836.0″ (915 mm)-0.4%

Our Observation
In our observation, the 355/65R18 tire size is commonly seen in heavy-duty applications due to its large dimensions. It is popular for its wide tread that delivers exceptional traction and stability.

However, due to its size, it might not be the best choice for compact vehicles. Always make sure to confirm its compatibility with your vehicle and driving needs.

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