195/45R15 in Inches

A 195/45R15 tire has a 21.9-inch diameter, a 7.7-inch width, and is designed for a 15-inch rim.

In high flotation terms, this tire is labeled as 21.9x7.7R15.

195/45R15 Tire Size
195/45R15 Tire Size in Inches
195/45R15 Tire Circumference
920.5 revs/mile

195/45R15 Tire Overview

21.9 inches
Wheel Diameter
15 inches
Tire Width
7.7 inches
68.8 inches
Sidewall Height
3.5 inches
920.5 per mile

What does 195/45R15 mean?

195/45R15 tire size meaning in inches

195/45R15 is a tire size with the following dimensions:

  • 195 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.
  • 45 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.
  • 15 is the diameter of the wheel in inches, on which the tire is to be mounted.

195/45R15 Tire Conversion

Tire Diameter21.9 in556.5 mm
Section Width7.7 in195 mm
Rim Height15 in381 mm
Sidewall Height3.5 in87.8 mm
Circumference68.8 in1748.3 mm
Revolutions920.5 revs/mile
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FAQ About 195/45R15 Tire

How tall is a 195/45R15 tire?

The height (or diameter) of a 195/45R15 tire is 21.9 inches

How wide is a 195/45R15 tire?

The width of a 195/45R15 tire is 195 mm, which is about 7.7 inches.

What size rim fits a 195/45R15 tire?

A 195/45R15 tire fits on a rim that is 15 inches in diameter.

What does the 45 in a 195/45R15 tire mean?

The 45 in a 195/45R15 tire refers to the aspect ratio, meaning the height of the tire's sidewall is 45% of its width.

Alternative Tire Sizes for 195/45R15

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 195/45R15:

Tire SizeDiameterRim
125/70R1521.9″ (Equal)15 x n/a
175/50R1521.9″ (Equal)15 x 5.0-6.0
115/70R1521.3″ (-2.7%)15 x n/a
135/70R1522.4″ (2.3%)15 x n/a
145/65R1522.4″ (2.3%)15 x 4.0-5.0
155/60R1522.3″ (1.8%)15 x 4.5-5.5
165/50R1521.5″ (-1.8%)15 x 4.5-6.0
165/55R1522.1″ (0.9%)15 x 4.5-6.0
185/45R1521.6″ (-1.4%)15 x 6.0-7.0
185/50R1522.3″ (1.8%)15 x n/a
205/45R1522.3″ (1.8%)15 x 6.5-7.5
215/40R1521.8″ (-0.5%)15 x 7.0-8.5
245/35R1521.8″ (-0.5%)15 x 8.0-9.5