305/35R24 Tires & Tire Size

305/35R24 refers to the size of the tire. It’s a standard which is used by car and tire manufacturers. By having the standard, tire manufacturers are able to manufacture same size tires independently and users can buy same size tires from different manufacturers.

Here’s an explanation of what these metrics mean in practice:


305

The tire width is 305mm.

35

The aspect ratio of the tire is 35. Aspect ratio refers to the height of tire sidewall in relation to tire width in percentages.

R

The letter in the middle refers to tire construction. Practically all tires sold for cars are radials.

Sometimes you also see tires with RF or ZR. RF indicates the tire is run flat, whereas ZR means the tire has speed rating higher than V. These tires are also radials, as the R indicates.


24

Rim diameter for the tire. 305/35R24 tire can be mounted only to a 24″ rims.

What is 305/35R24 tire size in inches?

Because the width of 305/35R24 tire is stated in millimeters and sidewall height in percentages, you have to make calculations to see what the true size of 305/35R24 is in inches. Luckily, we have made these calculations for you.In this table you can see size of 305/35R24 in inches, as well as few additional metrics:

 

In inchesIn millimeters

Section Width

12.0″305mm

Sidewall height

4.2″107mm

Diameter / Height

32.4″823mm

Circumference

101.8″2586mm

Rim Diameter

 24″ 

Revolutions

 622 per mile 387 per kilometer

Recommended Rim Sizes for 305/35R24 Tires

For 305/35R24 tires you need to have correct size rims to install the tires to. There are different width rims available in the market, and you can run into problems by installing 305/35R24 to a too wide or too narrow rim. Here are the recommended rim sizes for 305/35R24 tire:

DiameterWidth Range
24″10-12″

305/35R24 – Variations

When you look at the tire code on 305/35R24 tires, you may see there are additional numbers and letters after the code 305/35R24. These numbers and letters refer to speed rating and load index of the tire. 305/35R24 has at least following variations available on the markets:

305/35R24 112H

305/35R24 112S

305/35R24 112V

305/35R24 112W

305/35R24 114V