165/50R15 in Inches

A 165/50R15 tire has a 21.5-inch diameter, a 6.5-inch width, and is designed for a 15-inch rim.

In high flotation terms, this tire is labeled as 21.5x6.5R15.

165/50R15 Tire Size
165/50R15 Tire Size in Inches
165/50R15 Tire Circumference
938.2 revs/mile

165/50R15 Tire Overview

21.5 inches
Wheel Diameter
15 inches
Tire Width
6.5 inches
67.5 inches
Sidewall Height
3.2 inches
938.2 per mile

What does 165/50R15 mean?

165/50R15 tire size meaning in inches

165/50R15 is a tire size with the following dimensions:

  • 165 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.
  • 50 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.

165/50R15 Tire Conversion

Tire Diameter21.5 in546 mm
Section Width6.5 in165 mm
Rim Height15 in381 mm
Sidewall Height3.2 in82.5 mm
Circumference67.5 in1715.3 mm
Revolutions938.2 revs/mile
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FAQ About 165/50R15 Tire

How tall is a 165/50R15 tire?

The height (or diameter) of a 165/50R15 tire is 21.5 inches

How wide is a 165/50R15 tire?

The width of a 165/50R15 tire is 165 mm, which is about 6.5 inches.

What size rim fits a 165/50R15 tire?

A 165/50R15 tire fits on a rim that is 15 inches in diameter.

What does the 50 in a 165/50R15 tire mean?

The 50 in a 165/50R15 tire refers to the aspect ratio, meaning the height of the tire's sidewall is 50% of its width.

Alternative Tire Sizes for 165/50R15

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 165/50R15:

Tire SizeDiameterRim
115/70R1521.3″ (-0.9%)15 x n/a
125/70R1521.9″ (1.9%)15 x n/a
165/55R1522.1″ (2.8%)15 x 4.5-6.0
175/50R1521.9″ (1.9%)15 x 5.0-6.0
185/45R1521.6″ (0.5%)15 x 6.0-7.0
195/45R1521.9″ (1.9%)15 x 6.0-7.5
215/40R1521.8″ (1.4%)15 x 7.0-8.5
245/35R1521.8″ (1.4%)15 x 8.0-9.5