Tire Size 33×12.5r15 in Metric

By breaking down the tire size 33×12.5r15 dimensions, explaining the conversion process to the metric system, exploring closely matching alternatives, and showcasing practical applications, we aim to unravel the secrets behind this tire size.

Dimension Breakdown
Let’s start by dissecting and defining each part of the 33×12.5r15 tire size. The numbers “33” represent the overall diameter of the tire, measured in inches.

The “12.5” refers to the tire width, also in inches. Lastly, the letter “R” indicates the construction type (radial), and the number “15” signifies the wheel diameter, measured in inches.

33×12.5r15 in inches

FeatureMetric
Tire Diameter33.0″
Tire Section Width12.5″
Rim Width Range15″ x 8.5-11″
Sidewall Height9.0″
Circumference103.6″
Revs/Mile611

Conversion Process
Converting the 33×12.5r15 tire size from inches to millimeters might seem daunting, but it’s quite straightforward. Let’s explore the key aspects involved in this conversion:

  • The overall diameter refers to the tire’s height from the ground to the top. To convert inches to millimeters, multiply the value by 25.4. In this case, 33 inches x 25.4 = 838.2 mm.
  • The tire width is the measurement of the tire’s cross-section. Converting the 12.5-inch width to millimeters yields 317.5 mm (12.5 x 25.4).
  • The wheel diameter is the size of the wheel on which the tire is mounted. In this case, the 15-inch wheel diameter converts to 381 mm (15 x 25.4).

Sidewall height is the distance between the tire’s outer edge and the wheel’s rim. The aspect ratio is the sidewall height expressed as a percentage of the tire width.

To calculate the sidewall height in millimeters, subtract the wheel diameter from the overall diameter and divide the result by 2 (838.2 – 381)/2 = 228.6 mm. The aspect ratio is approximately 72% (228.6/317.5 x 100).

33×12.5r15 in Metric

To identify a metric tire size that aligns closely with the converted measurements (318/72r15), we could examine metric tire sizes with similar overall diameter, width, and wheel diameter. The metric dimension 315/70r15, which is more commonly seen, is the closest equivalent.

This size closely reflects the characteristics of a 33×12.5r22 tire and is more widely accessible for customers to purchase. For example, a 315/70r15 tire possesses an overall diameter of 837 mm, a width of 315 mm, and a wheel diameter of 381 mm, thus making it a near equivalent in metric terms.

Practical Applications
Now that we understand the dimensions and conversion process let’s explore some practical applications of the 33×12.5R15 tire size. Off-road enthusiasts often prefer this tire size due to its larger diameter, wider width, and robust construction.

Its enhanced traction, increased ground clearance, and improved handling make it ideal for tackling challenging terrains such as mud, sand, and rocky surfaces. Whether it’s off-roading adventures, exploring remote locations, or simply embracing a rugged lifestyle, the 33×12.5r15 tire size can offer reliable performance and durability.

How Tall Are 33×12.5r15 Tire Size?

The ’33’ in 33×12.5R15 refers to the overall diameter of the tire, which is 33 inches. To convert this to millimeters, you multiply by 25.4 (since there is 25.4 mm in an inch), thus, the tire is approximately 838.2 mm tall.

How Wide Is A 33×12.5r15 Tire?

The ‘12.5’ in 33×12.5R15 refers to the width of the tire, which is 12.5 inches. Converting this to millimeters by multiplying by 25.4, we get an approximate width of 317.5 mm.

What Size Rim Fits 33×12.5r15?

The ’15’ in 33×12.5R15 refers to the wheel diameter, which is 15 inches. This means this tire size is designed to fit on a 15-inch rim. Converting this to millimeters, it corresponds to a 381 mm wheel diameter.

Summary
The 33×12.5r15 tire size holds many mysteries, but by understanding its dimension breakdown, converting it to the metric system, finding closely matching alternatives, and exploring its practical applications, we can unlock its secrets. 

Remember, the 33×12.5r15 size enhances off-road enthusiasts’ capabilities, offering improved traction and handling on various challenging terrains. So, next time you encounter this tire size, you’ll be equipped with the knowledge to appreciate its value and make informed decisions for your adventurous journeys.

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