235/80R15 In Inches – Tire Size & Wheel Fitment Guide

What tire size is 235/80R15 in Inches?

The 235/80R15 tire has an overall diameter of 29.8 inches, a section width of 9.3 inches, and can be mounted on 15 inches height of rim. The equivalent tire size in the high flotation system is 29.8x9.3R15.

	Inches	Millimeters
Tire Diameter	29.8	757
Section Width	9.3	235
Rim Height	15	381
Sidewall Height	7.4	188
Circumference	93.6	2378.2

9.3"

29.8"

93.6"

15"

7.4"

676.7 Revs/Mile

To make it clear, we'll break down each part of the 235/80R15 tire size to know what these numbers represent & how they may affect your tire's performance:

How big is a 235/80R15 tire?

A 235/80R15 tire has a height of 29.8 inches (757 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 unloaded.

How wide is a 235/80R15 tire?

The 235/80R15 tire has a width of 9.3 inches (235 mm). This is the measurement at its thickest point, the distance between the outer sidewall and the inner sidewall’s widest point, also called as tread width or section width.

You can put a slightly narrower or wider tire on a rim as long as it falls within the manufacturer's recommended tire width range.

235/80R15 sidewall height

The 235/80R15 has a sidewall height of 7.4 inches (188 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 235/80R15 tire?

You can mount the 235/80R15 tire on a rim with a height of 15 inches.

Putting very narrow tires on wide rims or vice versa can result in reduced performance of the tire.

235/80R15 circumference

The 235/80R15 tire has a circumference of 93.6 inches (2378.2 mm), This is the measurement of the distance the tire travels in one revolution.

The tire circumference is important for your vehicle's overall performance, affecting its speedometer acceleration, accuracy and fuel efficiency.

235/80R15 Revolutions

The 235/80R15 performs 676.7 revs/mile. Revolutions per mile indicate the number of times a tire rotates while it covers the distance of one mile.

Compatible Tire Sizes for 235/80R15

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 235/80R15: