215/75R15 In Inches – Tire Size & Wheel Fitment Guide

What size tire is 215/75R15 in Inches?

The 215/75R15 tire has an overall diameter of 27.7 inches, a section width of 8.5 inches, and can be mounted on 15 x 5.5-7.0 inches rim. The equivalent tire size in the high flotation system is 27.7x8.5R15.

	Inches	Millimeters
Tire Diameter	27.7	703.5
Section Width	8.5	215
Rim Height	15	381
Sidewall Height	6.3	161.3
Circumference	87	2210.1

8.5"

27.7"

87"

15"

6.3"

728.2 Revs/Mile

To help you understand, we'll break down each part of the 215/75R15 tire size to know what these numbers represent & how they may affect your tire's performance:

How wide is a 215/75R15 tire?

The 215/75R15 tire has a width of 8.5 inches (215 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.

How tall is a 215/75R15 tire?

The 215/75R15 tire has a height of 27.7 inches (703.5 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.

215/75R15 sidewall height

The 215/75R15 has a sidewall height of 6.3 inches (161.3 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 you need for 215/75R15 tire?

You can mount the 215/75R15 tire on a rim with a height of 15 inches and a width ranging from 5.5-7.0 inches. (Based on recommendations of The Tire and Rim Association (TRA))

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

215/75R15 circumference

The 215/75R15 tire has a circumference of 87 inches (2210.1 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.

215/75R15 Revolutions

The 215/75R15 performs 728.2 revs/mile. Revolutions per mile indicate the number of times a tire rotates while it covers the distance of one mile.

Replacement Tire Sizes for 215/75R15

As a rule, you can replace the tire within a 3% difference in tire diameter (height) of the OEM tire size. Here is a list of compatible tire sizes for 215/75R15: