Tire Size 325/65r18 in inches

The tire size 325/65R18 is equivalent to 34.6×12.8R18 in inches, meaning the tire has a diameter of 34.6 inches, a width of 12.8 inches, and is designed for a 18-inch rim.

325/65r18 in inches

This Table chart enables you to grasp detailed measurements in both inches and millimeters in a single glance.

How Tall Is A 325/65R18 Tire?

The tire height of the 325/65R18 tire size is 34.6 inches, equivalent to 879.7 millimeters. This refers to the tire’s outer diameter, which extends from the bead on one side of the tire to the bead on the other. This measure impacts vehicle stability, ride comfort, and fuel efficiency.

What Is the 325/65R18 Width In Inches?

The 325/65R18 tire’s tread width is 12.8 inches or 325 millimeters. This is the distance across the broadest part of the tire, affecting the contact patch or the part of the tire in contact with the road. This influences the braking, handling, and traction capabilities of the vehicle.

What Is the 325/65R18 Sidewall Height?

The sidewall height of the 325/65R18 tire size is approximately 8.3 inches or 211.3 millimeters. This measurement, from the edge of the wheel to the top of the tire tread, plays a significant role in ride quality. A taller sidewall can provide a smoother ride and better off-road performance.

What Is the 325/65R18 Tire Circumference?

The 325/65R18 tire’s circumference is approximately 108.8 inches or 2763.7 millimeters. This measure is essential to calculate the tire’s revolutions per mile, affecting the accuracy of your vehicle’s speedometer.

What Is the 325/65R18 Revolutions Per Mile?

For the 325/65R18 tire size, there are approximately 583 revolutions per mile. The revolutions per mile is an essential specification to consider when replacing tires, as variations in this value can affect the accuracy of the speedometer.

What Is the 325/65R18 Rims Size?

The 325/65R18 tire size, the rim diameter is 18 inches or 457 millimeters. It is compatible with wheel widths ranging from 9.0 to 10.0 inches (228.6-254 mm), providing flexibility for different wheel configurations.

What Does 325/65R18 Mean?

The term “325/65R18” refers to the size and specifications of a tire. Here’s a breakdown of what each part of the designation means:

• 325: This number represents the width of the tire in millimeters. In this case, the tire is 325 millimeters wide from sidewall to sidewall.
• 65: 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 65, meaning the sidewall height is 65% 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 325/65R18 is a radial tire that is 325 millimeters wide, with a sidewall height that is 65% of the width, and it is designed to fit a 18-inch wheel.

What Is 325/65R18 In Inches?

The tire size 325/65R18 can be expressed in inches as approximately 12.8 inches wide, 8.3 inches tall in sidewall, and designed to fit a 18-inch wheel rim.

This equates to a tire height of 34.6 inches. The 325/65R18 also has a circumference of 108.8 inches and It completes 582.3 revolutions per mile.

325/65R18 Equivalent

The tire size 325/65R18 is equivalent with a size of 34.6x12.8R18 in inches. This correlation is pivotal for precision in tire selection and optimal vehicle performance.

How Tall Is A 325/65R18 Tire?

The height of a 325/65R18 tire, expressed through its diameter, is approximately 34.6 inches (879.7 mm). In short, A 325/65R18 tire size is 34.6 inches (879.7 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 325/65R18 Tire?

The width of a 325/65R18 tire is 12.8 inches (325 millimeters). The first number in the tire size (325) represents the tire’s nominal width in millimeters from sidewall to sidewall when mounted on a specified width wheel. Therefore, the 325/65R18 tire size is 12.8 inches (325 mm) wide.

What Size Rim For 325/65R18?

The size of the rim for a 325/65R18 tire is 18 inches in wheel diameter. In the tire size 325/65R18, 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 will guide you on which vehicles are compatible with 325/65R18 tires. As these tires are typically used on larger vehicles, please refer to your vehicle’s manual or consult with a tire professional to confirm fitment.

Replacement Tire Size
Replacement tires have to be within 3% of the diameter of the original tires to maintain the functionality of the vehicle’s systems. It’s crucial to consult with a tire professional or refer to your vehicle manual before replacing your tires.

Our Observation
In our observation, the 325/65R18 tire size offers an optimal blend of off-road capabilities, ride comfort, and stability. With a taller sidewall and wide tread, these tires can handle a variety of terrains while providing a comfortable ride. However, these characteristics might contribute to slightly decreased fuel efficiency and precision at higher speeds.

By understanding the detailed specifications of the 325/65R18 tire size, you can make informed decisions about your vehicle’s performance and maintenance. Whether for replacement or upgrade, it’s vital to consider these dimensions and their effects on your driving experience.

• 325/65r18 vs 35×12.50r18
• 305 vs 325 tires

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.