Tire Size 155/80r12 in inches

The tire size 155/80r12, equivalent to 21.8×6.1R12 in inches, flaunts a diameter of 21.8 inches, a section width of 6.1 inches, and a wheel diameter of 12 inches. It is approved to be mounted on wheels with a width range of 4.5 – 5.5 inches, showcasing its versatility and wide application spectrum.

155/80r12 in inches

Feature Metric Inches
Tire Diameter 552.8 mm 21.8”
Section Width 155 mm 6.1”
Rim Height 305 mm 12”
Sidewall Height 124 mm 4.9”
Circumference 1736.7 mm 68.4”
Revolutions 576 per km 925 per mile

How Tall Is A 155/80r12 Tire?

The Tire Height for the 155/80r12 tire dimension measures 21.8 inches (552.8 mm). This value, referred to as the tire diameter, signifies the distance from one side of the tire to the opposite side, passing through the center. It plays a crucial role in assessing the tire’s suitability for a vehicle and can have an effect on the accuracy of the speedometer.

What Is the 155/80r12 Width In Inches?

The tread width of the 155/80r12 tire size is 6.1 inches or 155 millimeters. This dimension is crucial as it determines the tire’s contact area with the road surface, directly impacting the vehicle’s traction and stability. Its substantial width ensures efficient grip, especially in inclement weather conditions.

What Is the 155/80r12 Sidewall Height?

The sidewall height of the 155/80r12 tire size is 4.9 inches or 124 millimeters. The sidewall height, also known as the aspect ratio, signifies the tire’s shock absorption capability. In this case, a height of 4.9 inches suggests that the tire can effectively absorb road shocks, providing a smooth and comfortable ride.

What Is the 155/80r12 Tire Circumference?

The circumference of the 155/80r12 tire size is approximately 68.4 inches or 1736.7 millimeters. This measurement is pivotal as it dictates the tire’s rolling distance per revolution. A higher circumference correlates to more ground covered per tire revolution, which directly impacts the vehicle’s speed and fuel efficiency.

What Is the 155/80r12 Revolutions Per Mile?

For the 155/80r12 tire size, there are approximately 925 revolutions per mile or 576 revolutions per kilometer. This specification has a direct relationship with speedometer accuracy, fuel efficiency, and the overall performance of the vehicle.

What Is the 155/80r12 Rims Size?

For the 155/80r12 tire size, the rim diameter is 12 inches or 305 millimeters. It’s crucial to match the tire’s inner diameter with the rim’s diameter for optimal fit and performance. Any discrepancy might result in improper tire seating, potentially causing driving hazards.

Fitment Guide
The 155/80r12 tire size is versatile, fitting into several vehicles including:

  • Damas (1991 – 2015)
  • DAIHATSU models: Atrai (1986 – 1998), Charade (1994 – 2000), Hijet (1987 – 1998), Hijet Truck (2014 – 2023)
  • GEO Metro (1989 – 1994)
  • SUBARU models: Domingo (1983 – 1994), Sambar Van (1992 – 2012), Sambar Dias (1992 – 2005), Sambar Truck (1999 – 2023), Sambar Try (1989 – 1993)
  • SUZUKI Every (1990 – 1991)

Replacement Tire Size
Replacement tires have to be within 3% of the total tire diameter of the original tires to prevent any discrepancies in performance, fuel efficiency, and speedometer readings. Therefore, for the 155/80r12 tire, the replacement tire size should maintain a diameter of approximately 21.8 inches, allowing for a slight variance.

Our Observation
In our comprehensive analysis of the 155/80r12 tire size, we’ve found it to be an impressive model featuring a healthy balance of critical parameters. It delivers in terms of both performance and adaptability, fitting a wide array of vehicles.

Its dimensions contribute to a smooth and comfortable driving experience, while its significant tread width ensures remarkable traction and stability. With an adequate aspect ratio for efficient shock absorption and a large circumference for enhanced fuel efficiency, this tire size stands out as an excellent choice for numerous vehicle models.

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