Tire Size 285/50r18 in inches

The tire size 285/50R18 is equivalent to 29.2×11.2R18 in inches, has a diameter of 29.2 inches, a section width of 11.2 inches, a wheel diameter of 18 inches, and is approved to be mounted on 8.0-10.0 inches wide wheels.

This tire size is ideal for a variety of vehicles due to its substantial dimensions, making it capable of handling different terrains and weather conditions with ease.

285/50r18 in inches

Feature Inches Metric
Tire Diameter 29.2 742.2
Section Width 11.2 285
Rim Height 18 457
Sidewall Height 5.6 142.5
Circumference 91.8 2331.7
Revolutions 689 per mile 429 per km
Rim Width Range 8.0-10.0 203.2 – 254

How Tall Is A 285/50R18 Tire?

The tire height of the 285/50R18 tire size is approximately 29.2 inches or 742.2 millimeters. This height refers to the outer diameter of the tire when properly inflated and not bearing any load. The taller the tire, the better its off-road performance, as it increases the vehicle’s ground clearance.

What Is the 285/50R18 Width In Inches?

The 285/50R18 tire’s tread width is 11.2 inches or 285 millimeters. The width of a tire impacts many aspects of driving, including traction, road noise, and overall ride comfort. A wider tire provides more contact with the road surface, improving grip, especially in wet conditions.

What Is the 285/50R18 Sidewall Height?

The 285/50R18 tire’s sidewall height is approximately 5.6 inches or 142.5 millimeters. This measurement represents the distance from the rim’s edge to the tire’s outer circumference. A higher sidewall can enhance ride comfort by absorbing more road imperfections.

What Is the 285/50R18 Tire Circumference?

The circumference of the 285/50R18 tire size is around 91.8 inches or 2331.7 millimeters. This is the outermost boundary of the tire, a significant factor in determining the speedometer reading, gear ratios, and fuel efficiency.

What Is the 285/50R18 Revolutions Per Mile?

For the 285/50R18 tire size, there are approximately 689 revolutions per mile or 429 revolutions per kilometer. The lower the number of revolutions per mile, the larger the tire, and the fewer times it must rotate to cover a mile.

What Is the 285/50R18 Rims Size?

The 285/50R18 tire size, the rim diameter is 18 inches or 457 millimeters. The tire can be mounted on rims with a width range of 8.0-10.0 inches (203.2 – 254 millimeters). The rim size affects the tire’s performance, stability, and fuel efficiency.

Fitment Guide
This table will guide you on which vehicles can accommodate the 285/50R18 tire size. This tire size is versatile and compatible with a few vehicles.

Brand Name Model
MERCEDES-BENZ M-Class (1997 – 2005), M-Class AMG (2000 – 2005)
SSANGYONG Musso (1993 – 2006)

Replacement Tire Size
Replacement tires have to be within 3% of the diameter of the original tire to ensure they are compatible with the vehicle’s specifications, including speedometer, gear settings, and overall vehicle performance.

Tire Size Overall Diameter Difference
155/85R18 28.4″ -3.00%
265/50R18 28.5″ -2.70%
295/45R18 28.5″ -2.70%
245/55R18 28.6″ -2.20%
225/60R18 28.6″ -2.20%
305/45R18 28.8″ -1.60%
275/50R18 28.9″ -1.30%
255/55R18 29.0″ -0.80%
175/80R18 29.0″ -0.80%
155/90R18 29.0″ -0.80%
235/60R18 29.1″ -0.50%
265/55R18 29.5″ 0.80%
225/65R18 29.5″ 0.80%
325/45R18 29.5″ 0.80%
245/60R18 29.6″ 1.10%
165/90R18 29.7″ 1.60%
275/55R18 29.9″ 2.20%
255/60R18 30.0″ 2.70%
235/65R18 30.0″ 2.70%

Our Observation
From our perspective, the 285/50R18 tire size offers a reliable balance of comfort and performance. Its large diameter provides excellent ground clearance for off-road adventures, while its ample width and robust sidewall enhance on-road comfort and stability.

However, it’s important to consider your vehicle and driving habits when choosing a tire size. Always ensure the tire size matches your vehicle’s specifications and meets your driving needs.

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