355/60R20 In Inches – Tire Size & Rim Fitment Guide

What size tire is 355/60R20 in Inches?

The 355/60R20 tire has an overall diameter of 36.8 inches, a section width of 14 inches, and can be mounted on 20 x 8.0-9.5 inches rim. The equivalent tire size in the high flotation system is 36.8x14R20.

	Inches	Millimeters
Tire Diameter	36.8	934
Section Width	14	355
Rim Height	20	508
Sidewall Height	8.4	213
Circumference	115.5	2934.2

14"

36.8"

115.5"

20"

8.4"

548.5 Revs/Mile

To make it clear, we'll break down each part of the 355/60R20 tire size to know what these numbers represent & how they may affect your vehicle tire's performance:

How tall is a 355/60R20 tire?

A 355/60R20 tire has a height of 36.8 inches (934 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 355/60R20 tire?

The 355/60R20 has a width of 14 inches (355 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.

355/60R20 sidewall height

The sidewall height of a 355/60R20 is 8.4 inches (213 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 355/60R20 tire?

You can put on a rim with a height of 20 inches and a rim width ranging from 8.0-9.5 inches for a 355/60R20 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.

355/60R20 circumference

The 355/60R20 tire has a circumference of 115.5 inches (2934.2 mm), This is the measurement of the distance the tire covers in one full rotation.

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

355/60R20 Revolutions

The 355/60R20 performs 548.5 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 355/60R20

As a rule, you can replace the tire within a 3% difference in tire diameter (height) of the OEM tire size. Here is the full list of replacement sizes compatible with 355/60R20: