|Tire Size||Diameter||Rim (H x W)|
|145/80R12||21.1″ (+2.8%)||12″ x 3.5-5.0″|
|165/70R12||21.1″ (+2.8%)||12″ x 4.0-5.5″|
|205/50R13||21.1″ (+2.8%)||13″ x 5.5-7.5″|
|165/55R14||21.1″ (+2.8%)||14″ x 4.5-6.0″|
|225/40R14||21.1″ (+2.8%)||14″ x 7.5-9.0″|
|145/70R13||21″ (+2.4%)||13″ x 3.5-5.0″|
|185/55R13||21″ (+2.4%)||13″ x n/a|
|225/45R13||21″ (+2.4%)||13″ x 7.0-8.5″|
|255/40R13||21″ (+2.4%)||13″ x n/a|
|255/35R14||21″ (+2.4%)||14″ x 8.5-10.0″|
|125/80R13||20.9″ (+1.9%)||13″ x 3.0-4.0″|
|155/65R13||20.9″ (+1.9%)||13″ x 4.5-5.5″|
|125/70R14||20.9″ (+1.9%)||14″ x n/a|
|175/50R14||20.9″ (+1.9%)||14″ x 5.0-6.0″|
|195/45R14||20.9″ (+1.9%)||14″ x 6.0-7.5″|
|165/60R13||20.8″ (+1.4%)||13″ x 4.5-6.0″|
|215/40R14||20.8″ (+1.4%)||14″ x 7.0-8.5″|
|105/70R15||20.8″ (+1.4%)||15″ x n/a|
|165/45R15||20.8″ (+1.4%)||15″ x 5.0-6.0″|
|155/55R14||20.7″ (+1%)||14″ x 4.5-5.5″|
|175/55R13||20.6″ (+0.5%)||13″ x 5.0-6.0″|
|155/70R12||20.5″ (Equal)||12″ x 4.0-5.0″|
|165/50R14||20.5″ (Equal)||14″ x n/a|
|135/70R13||20.4″ (-0.5%)||13″ x 3.5-4.5″|
|145/65R13||20.4″ (-0.5%)||13″ x n/a|
|115/70R14||20.3″ (-1%)||14″ x n/a|
|165/55R13||20.1″ (-2%)||13″ x 4.5-6.0″|
|195/40R14||20.1″ (-2%)||14″ x 6.5-7.5″|
|145/70R12||20″ (-2.5%)||12″ x 3.5-5.0″|
135/80R12 In Inches – Tire Size & Rim Fitment Guide
What size tire is 135/80R12 in Inches?
The 135/80R12 tire has an overall diameter of 20.5 inches, a section width of 5.3 inches, and can be mounted on 12 x 3.5-4.5 inches rim. The equivalent tire size in the high flotation system is 20.5x5.3R12.
To easy understanding, let us break down each component of the 135/80R12 tire size to know what these numbers represent and how they may affect your vehicle's performance:
How tall is a 135/80R12 tire?
A 135/80R12 tire has a height of 20.5 inches (520.8 mm). This is the measurement from the bottom to the highest point at the top of a tire through its exact center when inflated and no load.
How wide is a 135/80R12 tire?
The 135/80R12 has a width of 5.3 inches (135 mm). This is the tire measurement at its thickest point, the distance between the inner sidewall’s and the outer sidewall’s widest point, also known as section width or tread width.
135/80R12 sidewall height
The sidewall height of a 135/80R12 is 4.3 inches (108 mm). It’s measured from the rim to the outer edge of the tire's tread, expressed as a percentage of tire width.
What size rim do I need for 135/80R12 tire?
You can put on a rim with a height of 12 inches and a rim width ranging from 3.5-4.5 inches for a 135/80R12 tire. (Based on recommendations of The Tire and Rim Association (TRA))
Putting very wide tires on narrow rims or vice versa can result in reduced performance of the tire.
The 135/80R12 tire has a circumference of 64.4 inches (1636.1 mm), This is the measurement of the distance the tire covers in one full rotation.
The tire circumference plays a crucial role in your vehicle's overall performance, affecting its speedometer accuracy, acceleration and fuel efficiency.
The 135/80R12 performs 983.6 revs/mile. Revolutions per mile indicate the number of times a tire rotates while it covers the distance of one mile.
Alternative Tire Sizes for 135/80R12
As a rule, you can replace the tire within a 3% difference in tire diameter (height) of the OEM tire size. However, it should be considered as a general guideline, not a hard and fast rule. Here is a list of compatible tire sizes for 135/80R12:
*Disclaimer: The tire size is for information purposes only, the measurement is an approximation, as tire manufacturers can have slight variations in their measurements. It's recommended to refer to the vehicle manufacturer's guidelines or consult with a tire mechanic to determine the correct tire size for your vehicle.