315/45R16 Tires
Understanding 315/45R16 tire size is crucial for making informed decisions when purchasing new tires, whether it is for replacement or upgrade, as it plays an important role in your vehicle's performance and safety. Let's explore 315/45R16 tire specs and dimensions, what vehicles come equipped with 315/45R16 tires, what are its replacement options, and where to buy 315/45R16 tires at lowest prices online.
How to read 315/45R16 tire size?
315/45R16 is a Metric tire size that is commonly used on passenger and crossover vehicles. It also comes in a P-Metric (P315/45R16) variant.
Let us decode each aspect of 315/45R16 tire size dimensions for better understanding:
- 315 indicates tire's section width, which includes the entire width of the tire from one sidewall to the other. The tread width is typically a bit narrower than the section width. Section width of 315/45R16 tire is 315 millimeters.
- 45 represents the aspect ratio of a tire. It is the ratio of the tire's sidewall height to its width. For 315/45R16 tire, the sidewall height is 45% of its tread width.
- R denotes that tire has radial construction.
- 16 indicates the wheel diameter in inches that the tire is designed to fit. 315/45R16 can be mounted on rims with 16 inches in diameter.
You can learn more about tire size markings on tire sidewall with our comprehensive guide on how to read tire size.
315/45R16 Tire Dimensions
Compare and visualize 315/45R16 tire dimensions in both inches and millimeters. Tire size calculator will help you calculate the dimensions of any tire size.
| Metric | Inches | |
|---|---|---|
| Tire Width | 315 mm | 12.4" |
| Aspect Ratio | 45% | |
| Rim Diameter | 406 mm | 16" |
| Tire Diameter | 690 mm | 27.2" |
| Sidewall Height | 142 mm | 5.6" |
| Circumference | 2167 mm | 85.4" |
| Revolutions | 461 per km | 742 per mile |
315/45R16 Tire Width
How wide is 315/45R16 tire? Tire width is the measurement of the tire's cross-section at its widest point. 315/45R16 tire is 315 millimeters or 12.4 inches wide.
Tires that are 315 millimeters wide come equipped on a variety of passenger cars, pickup trucks and sport utility vehicles.
Tire width of 315 millimeters falls under extra wide category. For trucks and SUVs, extra wide tires offer enhanced stability and load-carrying capacity. For high-end sports cars and supercars they offer maximum traction and performance at high speeds.
Tire width plays a pivotal role in determining a vehicle's handling, safety, and efficiency. It is crucial to consider the compatibility of tire width with the vehicle's design and the manufacturer's specifications to maintain optimal functionality and ensure safety.
315/45R16 Aspect Ratio
Tire aspect ratio represents the height of the tire's sidewall as a percentage of its width. 315/45R16 tire size has an aspect ratio of 45%.
Tires with an aspect ratio of 45 fall into the category of low profile tires. These are commonly found on sports cars and high-performance luxury vehicles. The low profile (short sidewall height relative to tire width) enhances the vehicle's handling and responsiveness, particularly at high speeds and during sharp cornering. They contribute to a car's aggressive and sporty aesthetic.
Wider contact patch with the road surface allows for better traction, which is crucial for acceleration, braking, and cornering performance. However, it may also lead to increased road noise and a decrease in fuel or energy efficiency compared to tires with higher aspect ratios.
315/45R16 Rim Diameter
Rim diameter refers to the diameter of the wheel on which the tire is mounted, commonly measured in inches. 315/45R16 rim size is 16 inches, meaning that tire can be mounted on 16-inch wheels. Rim diameter directly correlates with the overall diameter of the tire and affects various aspects of vehicle performance and aesthetics.
Tires with rim diameter of 16 inches are equipped on a select crossover, minivan, passenger car, pickup truck, sport utility vehicle and van models.
Rims with a 16-inch diameter are common on mid-size and full-size sedans, as well as some crossovers and SUVs. They offer a balance between ride comfort, handling, and aesthetic appeal.
When selecting a rim diameter, it's crucial to consider the vehicle's design specifications, as altering the rim size can affect the speedometer and odometer calibration, vehicle handling, suspension geometry, and brake clearance.
315/45R16 Tire Diameter
How tall is 315/45R16 tire? Tire diameter represens the total height of a tire, including the rim, when it is fully inflated and not under load. 315/45R16 diameter is 690 millimeters or 27.2 inches.
Tire height affects the clearance between the tire and the vehicle's body or chassis, influences the vehicle's ground clearance, and can impact the accuracy of the vehicle's speedometer and odometer.
For standard passenger cars, tire diameters typically range from about 24 to 30 inches. This includes sedans, hatchbacks, small SUVs, and minivans. Light trucks and larger SUVs might have tires on the higher end of this range or slightly above, often between 29 to 33 inches. Sports cars and high-performance vehicles may have similar diameter ranges as standard passenger cars, but they often feature wider tires with a lower aspect ratio, which can slightly affect the overall diameter. The range for these vehicles is typically between 24 to 30 inches, focusing more on width and profile for performance. Off-road vehicles, including larger SUVs, trucks, and specialized vehicles, often have larger tire diameters to handle rough terrain better. The diameters for these vehicles can range from about 31 to 40 inches or more, depending on the level of off-road capability and customization.
315/45R16 Sidewall Height
Tire sidewall height, determined by the aspect ratio of a tire, represents the height of the tire's sidewall, measured from the edge of the rim to the top of the tread. 315/45R16 tire sidewall is 142 millimeters or 5.6 inches tall.
Sidewall height affects the tire's ability to dissipate heat and impacts its load-bearing capacity. It also plays a role in aesthetic appeal for many drivers, influencing the overall look of the vehicle.
Tires with a sidewall height of 5.6" offer a balance between performance and comfort, and are common on popular sedans, minivans, light trucks and SUVs.
315/45R16 Circumference
Tire circumference is the total distance around the outer edge of the tire. 315/45R16 tire has a circumference of 2167 millimeters or 85.4 inches.
Tires with a circumference of 85.4 inches are common on mid-size cars, minivans and SUVs. These tires strike a balance between fuel efficiency and comfort, offering a smoother ride than smaller tires while maintaining reasonable handling and efficiency.
Tire circumference directly influences the speedometer and odometer readings of a vehicle. Mismatched tire circumferences, especially on the same axle, can lead to uneven wear, handling issues, and even mechanical damage, particularly in all-wheel or four-wheel-drive vehicles.
315/45R16 Revolutions
Tire revolutions metric reflects the number of times a tire rotates over a fixed distance. This figure is inherently tied to the tire's circumference - the larger the circumference, the fewer the revolutions needed to cover a mile, and vice versa. 315/45R16 tire makes 461 revolutions per kilometer or 742 revolutions per mile.
Number of the revolutions a tire makes affects greatly vehicle's performance, from speed and distance measurement accuracy to handling, fuel efficiency, and wear and tear.
What is 315/45R16 in inches?
When converted to inches, 315/45R16 tire size is equivalent to 27.2x12.4R16. 27.2 inches indicate the tire diameter, 12.4 inches represent tread width, and 16 inches is the diameter of a rim the tire can be mounted on.
Conversion of 315/45R16 to inches involves a series of steps that translate the metric measurements of tire width, aspect ratio, and rim diameter into their inch equivalents. This conversion is crucial for understanding tire sizes in a format that may be more intuitive or necessary for specific applications, allowing for better informed decisions regarding tire selection and compatibility.
First, the width of the tire (315 mm) is converted to inches by dividing by 25.4 (since there are 25.4 millimeters in an inch). Secondly, to determine the sidewall height in inches, calculate the height of the tire's sidewall as a percentage of its width (the aspect ratio), then convert this measurement from millimeters to inches. In the case of a 315/45R16 tire, the sidewall height is 45% of 315 mm, which converts to approximately 5.6 inches. Lastly, to ascertain the overall diameter of the tire, sum twice the sidewall height with the diameter of the rim (already in inches). Therefore, for a 315/45R16 tire, the overall diameter is the sum of twice the sidewall height (5.6 x 2) plus the rim diameter (16 inches), culminating in an overall diameter of about 27.2 inches.
315/45R16 Vehicle Fitment
No vehicles that are equipped with 315/45R16 OEM tire size have been found in our database.
What are replacement sizes for 315/45R16 tire?
315/45R16 alternative has to be within 3% of the original tire's overall diameter to ensure safe drive and proper speedometer readings. Below is a list of 315/45R16 equivalent and plus sizes that are within the optimal characteristics and dimensions of the orignal tire size.
Keep in mind that different vehicles have different tire requirements. Passenger cars, SUVs, trucks, and high-performance vehicles each have specific types of tires that are engineered for their particular needs. When replacing tires on your vehicle, always refer to your vehicle's owner's manual for manufacturer recommendations on tire size, type, and other specifications.
| Replacement Tire Size | Tire Diameter Difference |
|---|---|
| P315/40R18 | 2.8% |
| 305/35R18 | -2.8% |
315/45R16 Tire Size Comparison Chart
Below is a comparison chart where we compare 315/45R16 tire size with other popular sizes. Green indicates that new tire diameter is within the acceptable 3% of the original, while red warns that tire will adversely affect the vehicle's speedometer reading, handling characteristics, or clearance in the wheel well. We recommend to use the tire size comparison tool to ensure proper compatibility when switching to a new tire size.
| Tire Size Comparison | Tire Diameter Difference |
|---|---|
| 315/45R16 vs P215/70R16 | 2.6% |
| 315/45R16 vs P245/75R16 | 12.2% |
| 315/45R16 vs LT265/75R16 | 16.5% |
| 315/45R16 vs P265/70R16 | 12.8% |
| 315/45R16 vs LT265/70R16 | 12.6% |
All listed guides, data and/or calculations are for informational purposes only. TireSizes.com does not warrant or make any representations regarding the accuracy of or the results of the use of this information.