305/70R17 in Inches

A 305/70R17 tire has a 33.8-inch diameter, a 12-inch width, and is designed for a 17-inch rim.

In high flotation terms, this tire is labeled as 33.8x12R17.

305/70R17 Tire Size
12"
33.8"
305/70R17 Tire Size in Inches
305/70R17 Tire Circumference
106.2"
17"
8.4"
596.5 revs/mile

305/70R17 Tire Overview

Height
33.8 inches
Wheel Diameter
17 inches
Tire Width
12 inches
Circumference
106.2 inches
Sidewall Height
8.4 inches
Revolutions
596.5 per mile
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What does 305/70R17 mean?

305/70R17 tire size meaning in inches

305/70R17 is a tire size with the following dimensions:

  • 305 is the width of the tire in millimeters. This number also indicates the appropriate width of the rim on which the tire should be mounted.
  • 70 is the aspect ratio, which is the ratio of the tire's height to its width. This affects the tire's handling and ride comfort
  • R indicates the tire's construction type, meaning it has a radial construction. This provides stability and precision to the tire.
  • 17 is the diameter of the wheel in inches, on which the tire is to be mounted.

305/70R17 Tire Conversion

DimensionsInchesMillimeters
Tire Diameter33.8 in858.8 mm
Section Width12 in305 mm
Rim Height17 in431 mm
Sidewall Height8.4 in213.5 mm
Circumference106.2 in2698 mm
Revolutions596.5 revs/mile
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FAQ About 305/70R17 Tire

How tall is a 305/70R17 tire?

The height (or diameter) of a 305/70R17 tire is 33.8 inches

How wide is a 305/70R17 tire?

The width of a 305/70R17 tire is 305 mm, which is about 12 inches.

What size rim fits a 305/70R17 tire?

A 305/70R17 tire fits on a rim that is 17 inches in diameter.

What does the 70 in a 305/70R17 tire mean?

The 70 in a 305/70R17 tire refers to the aspect ratio, meaning the height of the tire's sidewall is 70% of its width.


Alternative Tire Sizes for 305/70R17

Typically, it's recommended to choose a tire with a diameter (height) within 3% of the original equipment manufacturer (OEM) tire size.

However, keep in mind that this is a general guideline and not an absolute rule.

Here are some tire sizes that are compatible with the 305/70R17:

Tire SizeDiameterRim
285/75R1733.8″ (Equal)17 x 7.5-9.5
255/80R1733.1″ (-2.1%)17 x 6.5-8.5
275/80R1734.3″ (1.5%)17 x n/a
295/70R1733.3″ (-1.5%)17 x 8.0-9.5
295/75R1734.4″ (1.8%)17 x n/a
315/70R1734.4″ (1.8%)17 x 8.0-10.5