Tire Size 305/65r18 in Inches
What do those numbers mean? And how do they affect your driving experience? As you can see, a lot goes into the tire size 305/65r18 in inches. But don’t worry, we will help you understand it all. Keep reading to learn more about what these numbers mean for your driving experience.
305 65r18 in Inches
Details | 305/65r18 Tires |
Overall Diameter | 33.6 inches or 853 mm |
Section Width | 12 inches or 305 mm |
Wheel Size | 18 inches or 457 mm |
Circumference | 105.5 inches or 2678.4 mm |
Revolutions Per Mile | 601 RPM |
Sidewall Height | 7.8 inches or 198 mm |
Construction Type | Radial Tire |
Overall Diameter
The first number in a tire size is the overall diameter. This is the measurement from one side of the tire to the other, through the center. In the case of the 305 65r18, the overall diameter would be 33.6 inches or 853 mm. This is important to know because it affects the size of the wheels and how the vehicle handles them.
Section Width
The second number is the section width. This is the width of the tire from one sidewall to the other. In our example, the section width is 12.0 inches or 305 mm. This number affects the tire’s grip and how it handles different types of terrain.
Circumference
This is the distance around the tire. In our example, the circumference is 105.5 inches or 2678.4 mm. This number affects the speedometer reading and the overall handling of the vehicle.
Revolutions Per Mile
This is the number of times the tire will go around in one mile. In our example, the revolutions per mile are 601. This number affects the fuel economy of the vehicle.
Sidewall Height
This is the height of the sidewall. In our example, the sidewall height is 7.8 inches or 198 mm. This number affects the amount of suspension travel and the vehicle’s overall height.
Wheel Size
The last number in the tire size is the wheel size. This is the diameter of the wheel that the tire will fit on. In our example, the wheel size is 18 inches or 457.0 mm. This number affects the vehicle’s overall width and clearance between the tire and the fender.
Suitable Vehicle
The 305/65r18 tire size is a great choice for a variety of vehicles including the Ford F-150 Raptor, Chevy Silverado, and Dodge Ram 1500. If you’re looking for a tire that can handle off-road conditions as well as provide a comfortable ride on the highway, this is a great option.
Construction Type
There are two types of tire construction: radial and bias. Radial tires are the most common type of tire. They have a steel belt that runs around the circumference of the tire. The tread and sidewalls are attached to the belt.
Bias tires have crisscrossing steel belts that give the tire strength. The tread and sidewalls are attached to the belts. Bias tires are not as common as radial tires. In our example, the construction type is radial.
In short, the tire size 305/65R18 is the same as 33.6x12R18. So we can say that the overall diameter is 33.60 inches, the section width is 12.0 inches, the circumference is 105.50 inches, the sidewall height is 7.8 inches, the wheel size is 18 inches, and it’s a radial tire.
Now that you know what the numbers mean, you can make a more informed decision about the tires for your vehicle. Be sure to consult with a professional to get the best advice for your specific needs. Thanks for reading! We hope this was helpful.
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