315/55R16 in inches

Tire size specifications, like 315/55R16, provide vital information about a tire’s dimensions and capabilities. The tire size 315/55R166 is equivalent to 29.6×12.4R16 in inches.

/ R
Feature Metric Inches
Tire Height
Section Width
Sidewall Height
Rim Size
Tire 1 Front View
Tire 1 Side View
Tire 1 Wheel
circumference 1


Overall Diameter

The 315/55R16 tire size is characterized by an overall diameter of 29.6 inches, measured from one edge to the other. This measurement reflects the tire’s complete height when filled to the recommended pressure.

Tread Width

The 315/55R16 tire has a tread or section width of 12.4 inches. This dimension represents the distance between one sidewall to the other, signifying the contact area with the road surface.

Tire Circumference

The 315/55R16 tire has a circumference of 93.1 inches, representing the linear distance traveled in a single revolution. This measurement is crucial for determining speed, distance, and revolutions per minute (RPM).

Sidewall Height

The 315/55R16 tires feature a sidewall height of 6.8 inches. This measurement represents the vertical distance from the outer edge of the rim to the outer edge of the tire’s tread.

It plays a crucial role in defining the tire’s profile, impacting both ride comfort and handling attributes.

Revolutions Per Mile

The 315/55R16 tire size completes around 680.4 revolutions per mile. This metric signifies the full rotations the tire makes while covering one mile.

It’s important to grasp this value, as it plays a significant role in odometer readings, speed calculations, and aspects of fuel efficiency.

Wheel Size

The appropriate rim size for 315/55R16 tires is 16 inches in diameter. This detail becomes crucial when contemplating wheel replacement or upgrade, as it guarantees proper fitting of the tire onto the rim.

Construction Type

Finally, the 315/55R16 tires utilize a radial construction. In radial tire design, the internal layers or “plies” are oriented perpendicular to the direction of travel.

This configuration enhances heat dissipation and elevates overall performance, surpassing alternative construction methods.

What Does 315/55R16 Mean?

The term “315/55R16” refers to the size and specifications of a tire. Here’s a breakdown of what each part of the designation means:

  • 315: This number represents the width of the tire in millimeters. In this case, the tire is 315 millimeters wide from sidewall to sidewall.
  • 55: This number indicates the aspect ratio, which is the ratio of the tire’s sidewall height to its width. In this example, the aspect ratio is 55, meaning the sidewall height is 55% of the tire’s width.
  • R: This letter stands for “radial,” which is the most common type of tire construction. Radial tires have ply cords that run perpendicular to the direction of travel.
  • 16: This number represents the diameter of the wheel, in inches, on which the tire is designed to fit.

So, in summary, a tire with the designation 315/55R16 is a radial tire that is 315 millimeters wide, with a sidewall height that is 55% of the width, and it is designed to fit a 16-inch wheel.

What Is 315/55R16 In Inches?

The tire size 315/55R16 can be expressed in inches as approximately 12.4 inches wide, 6.8 inches tall in sidewall, and designed to fit a 16-inch wheel rim. The 315/55R16 also has a circumference of 93.1 inches and It completes 680.4 revolutions per mile.

315/55R16 Equivalent

The tire size 315/55R16 is equivalent with a size of 29.6x12.4R16 in inches. This correlation is pivotal for precision in tire selection and optimal vehicle performance.

How Tall Is A 315/55R16 Tire?

The height of a 315/55R16 tire, expressed through its diameter, is approximately 29.6 inches (752.9 mm). In short, A 315/55R16 tire size is 29.6 inches (752.9 mm) tall.

The height of the tire is subject to slight variations, determined by both the brand and model of the tire, in addition to the amount of air pressure it holds.

How Wide Is A 315/55R16 Tire?

The width of a 315/55R16 tire is 12.4 inches (315 millimeters). The first number in the tire size (315) represents the tire’s nominal width in millimeters from sidewall to sidewall when mounted on a specified width wheel. Therefore, the 315/55R16 tire size is 12.4 inches (315 mm) wide.

What Size Rim For 315/55R16?

The size of the rim for a 315/55R16 tire is 16 inches in wheel diameter. In the tire size 315/55R16, the number “16” at the end indicates the diameter of the wheel (rim) in inches that the tire is designed to fit.

Replacement Tire Sizes

New tires must match the original tire’s overall diameter within a 3% range. Take a moment to inspect the options listed below before selecting a suitable tire size.

Tire Size Overall Diameter Difference
165/90R17 28.7″ (730 mm) -2.9%
305/45R18 28.8″ (731 mm) -2.8%
275/50R18 28.9″ (733 mm) -2.5%
205/80R16 28.9″ (734 mm) -2.4%
215/70R17 28.9″ (734 mm) -2.4%
205R16 28.9″ (734 mm) -2.4%
275/55R17 28.9″ (734 mm) -2.4%
235/70R16 29″ (736 mm) -2.1%
275/60R16 29″ (736 mm) -2.1%
255/55R18 29″ (737 mm) -2%
155/90R18 29″ (737 mm) -2%
175/80R18 29″ (737 mm) -2%
255/65R16 29.1″ (738 mm) -1.9%
255/60R17 29.1″ (738 mm) -1.9%
235/65R17 29.1″ (738 mm) -1.9%
235/60R18 29.1″ (739 mm) -1.7%
285/50R18 29.3″ (743 mm) -1.2%
225/75R16 29.3″ (744 mm) -1.1%
175/90R17 29.4″ (748 mm) -0.5%
225/70R17 29.4″ (748 mm) -0.5%
285/60R16 29.4″ (748 mm) -0.5%
325/45R18 29.5″ (749 mm) -0.4%
265/55R18 29.5″ (749 mm) -0.4%
225/65R18 29.5″ (749 mm) -0.4%
265/60R17 29.5″ (750 mm) -0.3%
265/65R16 29.5″ (750 mm) -0.3%
245/70R16 29.5″ (750 mm) -0.3%
215/80R16 29.5″ (750 mm) -0.3%
245/65R17 29.5″ (750 mm) -0.3%
245/60R18 29.6″ (751 mm) -0.1%
247/70R16 29.6″ (752 mm) 0%
165/90R18 29.7″ (755 mm) 0.4%
235/75R16 29.8″ (758 mm) 0.8%
275/55R18 29.9″ (759 mm) 0.9%
235/70R17 30″ (762 mm) 1.3%
275/60R17 30″ (762 mm) 1.3%
235/65R18 30″ (763 mm) 1.5%
255/60R18 30″ (763 mm) 1.5%
275/65R16 30.1″ (764 mm) 1.6%
255/70R16 30.1″ (764 mm) 1.6%
255/65R17 30.1″ (764 mm) 1.6%
215/75R17.5 30.2″ (767 mm) 2%
225/75R17 30.3″ (770 mm) 2.4%
285/55R18 30.4″ (771 mm) 2.5%
215/85R16 30.4″ (772 mm) 2.7%
175/90R18 30.4″ (773 mm) 2.8%
285/60R17 30.5″ (774 mm) 2.9%
245/75R16 30.5″ (774 mm) 2.9%

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