What Size Is Tire 315/70r15 In Inches?
- Diameter of the tire: Approximately 32.4 inches
- Tire width: Approximately 12.4 inches
- Sidewall height: Approximately 8.7 inches (calculated as a percentage of the tire’s width, which is 70% in this case)
- Diameter of the wheel: 15 inches
Detailed Explanation:
Here is a detailed explanation for 315/70R15 in inches:
The tire size 315/70R15 refers to a tire with a width of 315 millimeters, an aspect ratio (or sidewall height as a percentage of the width) of 70%, and a diameter of 15 inches.
Diameter Of The Tire:
To calculate the overall diameter of the tire, we can use the following formula:
- Diameter = sidewall height x 2 + wheel diameter
- First, we need to calculate the sidewall height:
- Sidewall height = width x aspect ratio / 100
- Sidewall height = 315 x 70 / 100 = 220.5 mm
- Converting the sidewall height to inches:
- Sidewall height = 220.5 x 0.0393701 = 8.67 inches (rounded to the nearest hundredth)
Now, we can calculate the diameter of the tire:
- Diameter = sidewall height x 2 + wheel diameter
- Diameter = 8.67 x 2 + 15 = 32.34 inches (rounded to the nearest hundredth)
Tire Width:
To calculate the tire width in inches, we can use the following formula:
- Tire width = width in millimeters x 0.0393701 inches/millimeter
- Tire width = 315 x 0.0393701 = 12.40 inches (rounded to the nearest hundredth)
Sidewall:
- As we calculated earlier, the sidewall height is 8.67 inches.
Diameter Of The Wheel:
- The diameter of the wheel is 15 inches.
So, the 315/70R15 tire has an overall diameter of 32.34 inches, a width of 12.40 inches, a sidewall height of 8.67 inches, and a wheel diameter of 15 inches. It’s important to note that these are approximate measurements, and actual tire sizes can vary slightly depending on the brand and model of the tire.
Tire Height (Diameter) | 32.4 in | 822 mm |
Wheel Size | 15 in | 381 mm |
Sidewall Height | 8.7 in | 221 mm |
Tire Width | 12.4 in | 315 mm |
Tire Circumference | 101.7 in | 2,582 mm |
Revolutions per Mile | 623.2 | |
Revolutions per Kilometer | 387.2 |
What Does It Mean By 315/70R15?
Here’s what each component of the tire size 315/70R15 means:
- 315: This refers to the width of the tire in millimeters. In this case, the tire is 315 millimeters wide.
- 70: This refers to the aspect ratio of the tire, which is the height of the tire’s sidewall as a percentage of the tire’s width. In this case, the aspect ratio is 70%, meaning the sidewall height is 70% of the tire’s width.
- R: This indicates that the tire has radial construction. Most tires on the road today use radial construction.
- 15: This refers to the diameter of the wheel in inches that the tire is designed to fit. In this case, the tire is designed to fit a 15-inch wheel.
FAQs
What Kind Of Vehicle Is Suitable For A 315/70r15 Tire?
A 315/70R15 tire is commonly used on off-road vehicles like trucks, jeeps, and SUVs.
Can A 315/70r15 Tire Be Used On A Regular Passenger Car?
No, a 315/70R15 tire is unsuitable for a regular passenger car as it is designed for off-road use and may not properly handle and perform on paved roads.
What Is The Load Capacity Of A 315/70r15 Tire?
The load capacity of a 315/70R15 tire varies depending on the specific tire brand and model but typically ranges from 2,535 lbs to 3,195 lbs.
Can A 315/70r15 Tire Be Used In Snowy Or Icy Conditions?
It depends on the tire’s tread pattern and design. Some 315/70R15 tires may have a more aggressive tread pattern that can provide better traction on snowy or icy roads, while others may not be suitable for such conditions.
What Is The Speed Rating Of A 315/70r15 Tire?
The speed rating of a 315/70R15 tire varies depending on the specific tire brand and model but typically ranges from Q (up to 99 mph) to S (up to 112 mph).
How Often Should I Replace My 315/70r15 Tires?
The lifespan of a 315/70R15 tire varies depending on the specific tire brand and model and factors such as driving habits and road conditions. However, replacing tires every six years is generally recommended, even if they appear to have good tread depth.
Are 315/70r15 Tires Expensive?
The cost of a 315/70R15 tire can vary depending on the specific brand and model, but they are generally considered more expensive than smaller or more common tire sizes. Additionally, their off-road design may make them more expensive than tires designed for on-road use.