285/30R20 in Inches

A 285/30R20 tire has a 26.7-inch diameter, a 11.2-inch width, and is designed for a 20-inch rim.

In high flotation terms, this tire is labeled as 26.7x11.2R20.

285/30R20 Tire Size
11.2"
26.7"
285/30R20 Tire Size in Inches
285/30R20 Tire Circumference
84"
20"
3.4"
754.4 revs/mile

285/30R20 Tire Overview

Height
26.7 inches
Wheel Diameter
20 inches
Tire Width
11.2 inches
Circumference
84 inches
Sidewall Height
3.4 inches
Revolutions
754.4 per mile
Tirelib.com

What does 285/30R20 mean?

285/30R20 tire size meaning in inches

285/30R20 is a tire size with the following dimensions:

  • 285 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.
  • 30 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.
  • 20 is the diameter of the wheel in inches, on which the tire is to be mounted.

285/30R20 Tire Conversion

DimensionsInchesMillimeters
Tire Diameter26.7 in679 mm
Section Width11.2 in285 mm
Rim Height20 in508 mm
Sidewall Height3.4 in85.5 mm
Circumference84 in2133.1 mm
Revolutions754.4 revs/mile
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FAQ About 285/30R20 Tire

How tall is a 285/30R20 tire?

The height (or diameter) of a 285/30R20 tire is 26.7 inches

How wide is a 285/30R20 tire?

The width of a 285/30R20 tire is 285 mm, which is about 11.2 inches.

What size rim fits a 285/30R20 tire?

A 285/30R20 tire fits on a rim that is 20 inches in diameter.

What does the 30 in a 285/30R20 tire mean?

The 30 in a 285/30R20 tire refers to the aspect ratio, meaning the height of the tire's sidewall is 30% of its width.

Alternative Tire Sizes for 285/30R20

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 285/30R20:

Tire SizeDiameterRim
145/60R2026.9″ (0.7%)20 x n/a
145/65R2027.4″ (2.6%)20 x n/a
155/60R2027.3″ (2.2%)20 x 4.5-5.5
225/35R2026.2″ (-1.9%)20 x 7.5-9.0
225/40R2027.1″ (1.5%)20 x 7.5-9.0
235/35R2026.5″ (-0.7%)20 x 8.0-9.5
235/40R2027.4″ (2.6%)20 x 8.0-9.5
245/35R2026.8″ (0.4%)20 x 8.0-9.5
255/30R2026.0″ (-2.6%)20 x 8.5-9.5
255/35R2027.0″ (1.1%)20 x 8.5-10.0
265/30R2026.3″ (-1.5%)20 x 9.0-10.0
265/35R2027.3″ (2.2%)20 x 9.0-10.5
275/30R2026.5″ (-0.7%)20 x 9.0-10.0
295/30R2027.0″ (1.1%)20 x 10.0-11.0
305/25R2026.0″ (-2.6%)20 x 10.5-11.5
305/30R2027.2″ (1.9%)20 x 10.5-11.5
315/25R2026.2″ (-1.9%)20 x 11.0-12.0
315/30R2027.4″ (2.6%)20 x 10.5-11.5
325/25R2026.4″ (-1.1%)20 x 11.5-12.5
335/25R2026.6″ (-0.4%)20 x 11.5-12.5
345/25R2026.8″ (0.4%)20 x 12.0-13.0