175/80R19 In Inches – Tire Size & Rim Fitment Guide

What tire size is 175/80R19 in Inches?

The 175/80R19 tire has an overall diameter of 30 inches, a section width of 6.9 inches, and can be mounted on 19 inches height of rim. The equivalent tire size in the high flotation system is 30x6.9R19.

	Inches	Millimeters
Tire Diameter	30	762.6
Section Width	6.9	175
Rim Height	19	483
Sidewall Height	5.5	140
Circumference	94.3	2395.8

6.9"

30"

94.3"

19"

5.5"

671.7 Revs/Mile

To make it clear, we'll break down each part of the 175/80R19 tire size to know what these numbers represent & how they may affect your tire's performance:

How big is a 175/80R19 tire?

A 175/80R19 tire has a height of 30 inches (762.6 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 175/80R19 tire?

The 175/80R19 tire has a width of 6.9 inches (175 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.

175/80R19 sidewall height

The 175/80R19 has a sidewall height of 5.5 inches (140 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 175/80R19 tire?

You can mount the 175/80R19 tire on a rim with a height of 19 inches.

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

175/80R19 circumference

The 175/80R19 tire has a circumference of 94.3 inches (2395.8 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.

175/80R19 Revolutions

The 175/80R19 performs 671.7 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 175/80R19

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 175/80R19: