Tire Size 165/70r12 in inches
The tire size 165/70r12, equivalent to 21.1×6.5R12, has a diameter of 21.1 inches (535.8 millimeters), a section width of 6.5 inches (165 millimeters), a wheel diameter of 12 inches (305 millimeters), and is approved to be mounted on 5 to 6.5 inches wide wheels. As a compact, versatile tire, it can fit a variety of cars, providing a unique balance of durability and performance.
165/70r12 in inches
Feature | Metric | Inches |
---|---|---|
Tire Diameter | 535.8 | 21.1 |
Section Width | 165 | 6.5 |
Rim Height | 305 | 12 |
Sidewall Height | 115.5 | 4.5 |
Circumference | 1683.3 | 66.3 |
Revolutions | 593 per km | 956 per mile |
How Tall Is A 165/70r12 Tire?
The 165/70r12 tire size has a diameter of 21.1 inches or 535.8 millimeters. This figure signifies the overall outer diameter of the tire, which is the distance from the bottom to the top of the tire. It’s vital because it directly affects the revolutions per mile and the vehicle’s speedometer accuracy.
What Is the 165/70r12 Width In Inches?
The tread width of the 165/70r12 tire size is 6.5 inches (165 millimeters). This refers to the width of the tire that comes into contact with the road surface. The width is essential as it influences the handling, traction, and fuel efficiency of the vehicle.
What Is the 165/70r12 Sidewall Height?
The sidewall height of the 165/70r12 tire size is approximately 4.5 inches (115.5 millimeters). The sidewall height, also known as tire profile or aspect ratio, is the distance from the rim to the tread of the tire. This height directly affects the ride quality, with lower heights leading to stiffer rides.
What Is the 165/70r12 Tire Circumference?
The circumference of the 165/70r12 tire size is 66.3 inches or 1683.3 millimeters. The circumference is the total distance around the outer rim of the tire, which is important when considering tire rotations and wheel revolutions.
What Is the 165/70r12 Revolutions Per Mile?
For the 165/70r12 tire size, there are approximately 956 revolutions per mile. The revolutions per mile are a factor of the tire’s diameter and signify how many times the tire will rotate in one mile of distance. This is significant for accurate speedometer readings and overall vehicle performance.
What Is the 165/70r12 Rims Size?
For the 165/70r12 tire size, the rim diameter is 12 inches or 305 millimeters. This is the diameter of the wheel on which the tire will be mounted. The rim size is important for ensuring a proper tire fitment.
Fitment Guide
The 165/70r12 tire size can be fitted on a range of vehicles including:
- CHEVROLET Sprint (1987 – 1988)
- HONDA City (1981 – 1994), Civic (1972 – 1979)
- KIA Pride (1990 – 2002)
- NISSAN Be-1 (1987 – 1989), Figaro (1991 – 1992), March (1987 – 1990)
These vehicles are able to accommodate the specific dimensions and requirements of the 165/70r12 tire size.
Replacement Tire Size
Replacement tires have to be within 3% of the original tire’s total diameter to maintain accurate speedometer readings and overall vehicle performance.
Tire Size | Diameter | Rim (H x W) |
---|---|---|
145/80R12 | 21.1″ (Equal) | 12″ x 3.5-5.0″ |
135/80R12 | 20.5″ (-2.9%) | 12″ x 3.5-4.5″ |
155/70R12 | 20.5″ (-2.9%) | 12″ x 4.0-5.0″ |
Our Observation
The 165/70r12 tire size is a compact yet versatile tire offering a unique blend of durability and performance. Its moderate sidewall height delivers a comfortable ride, while its tread width ensures good handling and traction. Its compatibility with a wide range of vehicles from different manufacturers testifies to its versatility.
It is essential, however, to note that tire longevity and performance ultimately depend on proper care and maintenance, such as regular rotations and maintaining appropriate tire pressure. Additionally, when replacing the tire, remember to ensure the replacement is within the 3% diameter variance.

Meet Caitlin McCormack, a Tire Size Expert and Blogger Passionate About Everything Related to Tires. With Years of Experience in the Tire Industry, Caitlin Has Become an Expert in Tire Sizes and Their Impact on Vehicle Performance.