Tire Size 255/70r18 in inches

The tire size 255/70R18 is equivalent to 32.1×10.0R18 in inches, meaning the tire has a diameter of 32.1 inches, a width of 10 inches, and fits a 18-inch rim.

255/70r18 in inches

Gain a comprehensive understanding of measurements in inches and millimeters with the help of this Table chart.

How Tall Is A 255/70R18 Tire?

The Tire Height of the 255/70R18 tire size is 32.1 inches or 814.2 millimeters. This height calculates the tire’s diameter, which is the height from one edge of the tire to the other, passing through the center. This dimension impacts the overall driving experience and handling characteristics of the vehicle.

What Is the 255/70R18 Width In Inches?

The 255/70R18 tire’s tread width is 10 inches or 255 millimeters. This is the measurement of the tire’s cross-section, which is the area of the tire that makes contact with the road.

The width of a tire affects traction, load carrying capacity, and overall performance in various driving conditions.

What Is the 255/70R18 Sidewall Height?

The 255/70R18 tire’s sidewall height is 7 inches or 178.5 millimeters. This is the measurement from the rim to the tread of the tire. The sidewall height impacts the ride’s comfort, performance, and vehicle appearance.

What Is the 255/70R18 Tire Circumference?

The circumference of the 255/70R18 tire size is 100.7 inches or 2557.9 millimeters. The tire’s circumference is a critical aspect when it comes to calculating the tire’s revolutions per mile, which directly affects the speedometer reading and the vehicle’s fuel efficiency.

What Is the 255/70R18 Revolutions Per Mile?

For the 255/70R18 tire size, there are approximately 629 revolutions per mile. Revolutions per mile are critical factors affecting your speedometer reading, fuel efficiency, and overall vehicle performance.

What Is the 255/70R18 Rims Size?

The 255/70R18 tire size, the rim diameter is 18 inches or 457 millimeters. This tire is approved to be mounted on rims with a width range of 6.5-8.5 inches (165.1 – 215.9mm). The rim size plays a significant role in the tire’s overall diameter and handling characteristics.

What Does 255/70R18 Mean?

The term “255/70R18” refers to the size and specifications of a tire. Here’s a breakdown of what each part of the designation means:

• 255: This number represents the width of the tire in millimeters. In this case, the tire is 255 millimeters wide from sidewall to sidewall.
• 70: This number indicates the aspect ratio, which is the ratio of the tire’s sidewall height to its width. In this example, the aspect ratio is 70, meaning the sidewall height is 70% of the tire’s width.
• R: This letter stands for “radial,” which is the most common type of tire construction. Radial tires have ply cords that run perpendicular to the direction of travel.
• 18: This number represents the diameter of the wheel, in inches, on which the tire is designed to fit.

So, in summary, a tire with the designation 255/70R18 is a radial tire that is 255 millimeters wide, with a sidewall height that is 70% of the width, and it is designed to fit a 18-inch wheel.

What Is 255/70R18 In Inches?

The tire size 255/70R18 can be expressed in inches as approximately 10 inches wide, 7 inches tall in sidewall, and designed to fit a 18-inch wheel rim. This equates to a tire height of 32.1 inches. The 255/70R18 also has a circumference of 100.7 inches and It completes 629.2 revolutions per mile.

255/70R18 Equivalent

The tire size 255/70R18 is equivalent with a size of 32.1x10R18 in inches. This correlation is pivotal for precision in tire selection and optimal vehicle performance.

How Tall Is A 255/70R18 Tire?

The height of a 255/70R18 tire, expressed through its diameter, is approximately 32.1 inches (814.2 mm). In short, A 255/70R18 tire size is 32.1 inches (814.2 mm) tall.

The height of the tire is subject to slight variations, determined by both the brand and model of the tire, in addition to the amount of air pressure it holds.

How Wide Is A 255/70R18 Tire?

The width of a 255/70R18 tire is 10 inches (255 millimeters). The first number in the tire size (255) represents the tire’s nominal width in millimeters from sidewall to sidewall when mounted on a specified width wheel. Therefore, the 255/70R18 tire size is 10 inches (255 mm) wide.

What Size Rim For 255/70R18?

The size of the rim for a 255/70R18 tire is 18 inches in wheel diameter. In the tire size 255/70R18, the number “18” at the end indicates the diameter of the wheel (rim) in inches that the tire is designed to fit.

Fitment Guide
This table will guide you on which vehicles can use the 255/70R18 tire size. The tire size is often found on vehicles such as the Jeep Wrangler, Ford Ranger, and Chevrolet Silverado. Please consult with your vehicle’s owner manual or a tire professional for exact fitment.

Replacement Tire Size
Replacement tires must be within 3% of the height and width of the original tire to maintain performance and safety. Always consult with a tire professional before choosing a replacement tire.

Our Observation
The 255/70R18 tire size offers a good balance between comfort, performance, and durability. It provides a larger contact patch for better traction and stability, particularly in off-road conditions.

It also contributes to a more comfortable ride compared to larger sizes and is suitable for various vehicles, including light trucks and SUVs.

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Asma Akter

Asma Akter is a renowned tire expert, celebrated for her extensive knowledge and innovative approaches in tire technology and performance. Her expertise has significantly contributed to advancements in vehicle safety and efficiency.