Tire Size 235/70r18 in inches

The tire size 235/70R18 is equivalent to 31×9.3R18 in inches. It has a diameter of 31 inches (786.2 mm), a section width of 9.3 inches (235 mm), a wheel diameter of 18 inches (457 mm), and is approved to be mounted on 6.5-8.5 inches (165.1 – 215.9 mm) wide wheels.

235/70r18 in inches

This Table chart enables you to comprehend detailed measurements in inches and millimeters simultaneously.

Feature Inches Metric
Tire Diameter 31 786.2
Section Width 9.3 235
Rim Height 18 457
Sidewall Height 6.5 164.5
Circumference 97.2 2469.9
Revolutions 405/km 651/mile
Rim Width Range 6.0-8.0 165.1 – 215.9

How Tall Is A 235/70R18 Tire?

The Tire Height of the 235/70R18 tire size is 31 inches (786.2 mm). This measurement, known as the tire’s overall diameter, represents the tire’s total height from the ground to the top of the tire, and it is critical when considering clearance levels for your vehicle.

What Is the 235/70R18 Width In Inches?

The tread width of the 235/70R18 tire size is 9.3 inches (235 mm). The tread width or section width of the tire is important because it impacts the tire’s performance, particularly in areas like steering response, cornering ability, and hydroplaning resistance.

What Is the 235/70R18 Sidewall Height?

The 235/70R18 tire’s sidewall height is 6.5 inches (164.5 mm). The aspect ratio of a tire is the height of the sidewall expressed as a percentage of the tire’s width; in this case, it is 70%.

What Is the 235/70R18 Tire Circumference?

The circumference of the 235/70R18 tire size is 97.2 inches (2469.9 mm). Knowing the tire’s circumference can help calculate the tire’s revolutions per mile, a critical metric for vehicle performance and speedometer accuracy.

What Is the 235/70R18 Revolutions Per Mile?

For the 235/70R18 tire size, there are approximately 651 revolutions per mile. This value impacts speedometer accuracy, and a significant deviation from the original tire size can result in an inaccurate speedometer reading.

What Is the 235/70R18 Rims Size?

The 235/70R18 tire size the rim diameter is 18 inches (457 mm). This tire size can be mounted on rims with a width range of 6.5-8.5 inches (165.1 – 215.9 mm).

Fitment Guide
This will guide you on which vehicles can fit the 235/70R18 tire size. Given the tire’s dimensions, it can be a suitable fit for a variety of SUVs, light trucks, and some larger sedans.

Replacement Tire Size
Replacement tires have to be within 3% of the height and width of the original tires. Any significant change could affect the vehicle’s performance, handling, and safety.

Tire Size Overall Diameter Difference
285/55R18 30.4″ (771 mm) -2.0%
175/90R18 30.4″ (773 mm) -1.8%
265/60R18 30.5″ (775 mm) -1.5%
245/65R18 30.5″ (775 mm) -1.5%
275/60R18 31.0″ (787 mm) 0.0%
255/65R18 31.1″ (789 mm) 0.3%
225/75R18 31.3″ (795 mm) 1.0%
285/60R18 31.5″ (799 mm) 1.5%
245/70R18 31.5″ (801 mm) 1.8%
265/65R18 31.5″ (801 mm) 1.8%
235/75R18 31.9″ (809 mm) 2.8%

Our Observation
In our observation, the 235/70R18 tire size offers a blend of good handling and ride comfort. The relatively wide section width improves handling, while the 70% aspect ratio contributes to a comfortable ride. However, potential buyers should still consider their vehicle’s specifications and driving habits before purchasing.

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