165/70R18 In Inches

What size tire is 165/70R18 in Inches?

The 165/70R18 equivalent to 27.1x6.5R18 in inches, as follow:

  • 27.1 inches (688mm) stand for the tire diameter, also referred to as the tire height
  • 6.5 inches (165mm) is the tire width, this may also know as the section width
  • 18 inches (457mm) represent the rim diameter or called the wheel diameter that can be mounted on.
Diameter27.1"688 mm
Tread Width6.5"165 mm
Rim Diameter18"457 mm
Sidewall Height4.5"116 mm
Circumference85.1"2162 mm
Revolutions745"463 mm
tire diameter
Tire Side
Tire Circumference
745 Revs/Mile

What is a 165/70R18 tire width?

The 165/70R18 has a width of 6.5 inches or 165 mm wide. This is the measurement of the tire at its thickest point, the distance between the inner sidewall’s widest point and the outer sidewall’s widest point. This physical width of the tire can change if the tire is mounted on a wheel slightly wider or narrower than the size indicated by the rim width.

How big is a 165/70R18 tire’s height?

The overall diameter of a 165/70R18 is 27.1 inches or 689 mm tall (measurement of a tire’s outside diameter through its exact center when inflated with no load.

What size rim do I need for 165/70R18?

The size rim of a 165/70R18 tire is 18 inches or 457 mm tall. This number represents the distance between the two bead seat areas where the tire is sealed onto the wheel.

How tall is a 165/70R18 tire sidewall’s height?

The sidewall height of a 165/70R18 is 2.6 inches or 116 mm tall. It’s measured from the wheel rim to the top of the tread, expressed as a percentage of tire width.

What about 165/70R18 tire circumference?

165/70R18 tire has a circumference of 85.1 inches or 2162 mm

How many revolutions for 165/70R18 per mile & kilometer?

The 165/70R18 performs 463 revolutions per kilometer or 745 revolutions per mile. Revolutions per mile indicate the number of times a tire revolves while it covers the distance of one mile/kilometer

What’s wider or narrow than 165/70R18 is acceptable?

You can replace the 165/70R18 tires that are within ±3% of the overall tire diameter. In this case, it’s between 26.3 and 27.9 inches (668mm to 710 mm). Check our tire size chart here or the tire size calculator tool here to find your size.

Tire Size Chart for 18" Wheels:

23″ Tire Diameter

24″ Tire Diameter

25″ Tire Diameter

26″ Tire Diameter

27″ Tire Diameter

28″ Tire Diameter

29″ Tire Diameter

30″ Tire Diameter

31″ Tire Diameter

32″ Tire Diameter

33″ Tire Diameter

34″ Tire Diameter

35″ Tire Diameter

36″ Tire Diameter

38″ Tire Diameter

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