Tire Size 255/70r15 in inches
Tire size 255/70R15 is equivalent to 29.1x10R15, has a diameter of 29.1 inches (738 mm), a section width of 10 inches (255 mm), a wheel diameter of 15 inches (381 mm), and is approved to be mounted on 7.0 – 9.0 inches (177.8 – 228.6 mm) wide wheels.
This tire sizing notation reveals a wealth of information about the tire’s dimensions, specifications, and fitment, all of which we will thoroughly explain in the upcoming sections.
255/70r15 in inches
| Feature | Inches | Metric (mm) |
|---|---|---|
| Tire Diameter | 29.1 | 738 |
| Section Width | 10 | 255 |
| Rim Height | 15 | 381 |
| Sidewall Height | 7 | 178.5 |
| Circumference | 91.3 | 2318.5 |
| Revolutions | 431 per km | 693 per mile |
| Rim Width Range | 7.0 – 9.0 | 177.8 – 228.6 |
How Tall Is A 255/70R15 Tire?
The tire height of the 255/70R15 tire size is 29.1 inches (738 mm). This measurement, also known as the tire’s diameter, is the total height from the ground to the top of the tire when properly inflated and unloaded.
The number 255 in the tire’s size designation refers to the section width, while the 70 is the aspect ratio, and the R15 indicates the rim diameter. Together, these measurements are used to calculate the tire’s height.
What Is the 255/70R15 Width In Inches?
The tread width of the 255/70R15 tire size is 10 inches (255 mm). This width is measured from the width of the tire’s inner sidewall to the widest point of the tire’s outer sidewall. The tread width contributes to the vehicle’s handling capabilities, fuel efficiency, and overall ride comfort.
What Is the 255/70R15 Sidewall Height?
The sidewall height of the 255/70R15 tire size is approximately 7 inches (178.5 mm). This is calculated by taking the section width (255 mm) and multiplying it by the aspect ratio (70%), resulting in the height of the tire’s sidewall from the rim to the tread. The sidewall height can influence a vehicle’s handling and ride comfort.
What Is the 255/70R15 Tire Circumference?
The circumference of the 255/70R15 tire size is about 91.3 inches (2318.5 mm). This value is essential in determining the tire’s revolutions per mile, which, in turn, plays a role in speedometer accuracy, fuel economy, and overall vehicle performance.
What Is the 255/70R15 Revolutions Per Mile?
For the 255/70R15 tire size, there are approximately 693 revolutions per mile or 431 revolutions per kilometer. This information is crucial in maintaining speedometer and odometer accuracy. A different tire size with a different number of revolutions per mile can cause these instruments to provide inaccurate readings.
What Is the 255/70R15 Rims Size?
For the 255/70R15 tire size, the rim diameter is 15 inches (381 mm). The tire is compatible with rims that have a width ranging from 7.0 to 9.0 inches (177.8 – 228.6 mm). These measurements ensure the tire fits securely onto the rim, promoting optimal vehicle performance.
Fitment Guide
The fitment guide helps determine whether a 255/70R15 tire will fit your vehicle. It’s recommended to check the vehicle’s manual or consult a tire professional for accurate information.
| Brand Name | Model |
|---|---|
| DAEWOO | Korando (1999 – 2001), Musso (1999 – 2002) |
| DAIHATSU | Rocky (1992 – 2002), Rugger (1984 – 2002) |
| DODGE | Dakota (1987 – 2002), Durango (1997 – 2000) |
| FORD | Endeavour (2003 – 2015), Everest (2003 – 2015) |
| MITSUBISHI | L200 (1986 – 2005), Strada (1991 – 1999) |
| NISSAN | Datsun (1995 – 2002) |
| OPEL | Frontera (1991 – 1995) |
| SSANGYONG | Korando (2002 – 2006), Musso (1993 – 2006) |
| TOYOTA | Hilux (1988 – 2023) |
Replacement Tire Size
Replacement tires have to be within 3% of the original tire diameter to maintain accurate speedometer readings, avoid transmission wear, and ensure proper ABS function. Always consult a tire professional before making the switch to a different size.
| Tire Size | Overall Diameter | Difference |
|---|---|---|
| 225/75R15 | 28.3″ (719 mm) | -2.7% |
| 245/70R15 | 28.5″ (725 mm) | -1.9% |
| 215/80R15 | 28.5″ (725 mm) | -1.9% |
| 235/75R15 | 28.9″ (733 mm) | -0.8% |
| 295/60R15 | 28.9″ (735 mm) | -0.5% |
| 225/80R15 | 29.2″ (741 mm) | 0.3% |
| 215/85R15 | 29.4″ (747 mm) | 1.1% |
| 245/75R15 | 29.5″ (749 mm) | 1.4% |
| 205/90R15 | 29.6″ (751 mm) | 1.6% |
| 265/70R15 | 29.6″ (753 mm) | 1.9% |
| 235/80R15 | 29.8″ (757 mm) | 2.4% |
| 315/60R15 | 29.9″ (759 mm) | 2.7% |
| 345/55R15 | 30.0″ (761 mm) | 3.0% |
Our Observation
In our experience, the 255/70R15 tire size balances comfort and performance. It offers substantial tread width for improved road grip and handling. However, its larger diameter may impact fuel efficiency slightly. It is essential to consider these factors, including your vehicle specifications and driving conditions, when selecting this tire size.
Understanding the dimensions and specifications of the 255/70R15 tire size can help you make informed decisions about your vehicle’s tires, ensuring optimal performance, safety, and efficiency.
