275/30R20 in Inches

A 275/30R20 tire has a 26.5-inch diameter, a 10.8-inch width, and is designed for a 20-inch rim.

In high flotation terms, this tire is labeled as 26.5x10.8R20.

275/30R20 Tire Size
10.8"
26.5"
275/30R20 Tire Size in Inches
275/30R20 Tire Circumference
83.2"
20"
3.2"
761.2 revs/mile

275/30R20 Tire Overview

Height
26.5 inches
Wheel Diameter
20 inches
Tire Width
10.8 inches
Circumference
83.2 inches
Sidewall Height
3.2 inches
Revolutions
761.2 per mile
Tirelib.com

What does 275/30R20 mean?

275/30R20 tire size meaning in inches

275/30R20 is a tire size with the following dimensions:

  • 275 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.

275/30R20 Tire Conversion

DimensionsInchesMillimeters
Tire Diameter26.5 in673 mm
Section Width10.8 in275 mm
Rim Height20 in508 mm
Sidewall Height3.2 in82.5 mm
Circumference83.2 in2114.3 mm
Revolutions761.2 revs/mile
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FAQ About 275/30R20 Tire

How tall is a 275/30R20 tire?

The height (or diameter) of a 275/30R20 tire is 26.5 inches

How wide is a 275/30R20 tire?

The width of a 275/30R20 tire is 275 mm, which is about 10.8 inches.

What size rim fits a 275/30R20 tire?

A 275/30R20 tire fits on a rim that is 20 inches in diameter.

What does the 30 in a 275/30R20 tire mean?

The 30 in a 275/30R20 tire refers to the aspect ratio, meaning the height of the tire's sidewall is 30% of its width.

Alternative Tire Sizes for 275/30R20

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 275/30R20:

Tire SizeDiameterRim
235/35R2026.5″ (Equal)20 x 8.0-9.5
145/60R2026.9″ (1.5%)20 x n/a
225/35R2026.2″ (-1.1%)20 x 7.5-9.0
225/40R2027.1″ (2.3%)20 x 7.5-9.0
245/30R2025.8″ (-2.6%)20 x 8.0-9.0
245/35R2026.8″ (1.1%)20 x 8.0-9.5
255/30R2026.0″ (-1.9%)20 x 8.5-9.5
255/35R2027.0″ (1.9%)20 x 8.5-10.0
265/30R2026.3″ (-0.8%)20 x 9.0-10.0
285/30R2026.7″ (0.8%)20 x 9.5-10.5
295/25R2025.8″ (-2.6%)20 x 10.0-11.0
295/30R2027.0″ (1.9%)20 x 10.0-11.0
305/25R2026.0″ (-1.9%)20 x 10.5-11.5
305/30R2027.2″ (2.6%)20 x 10.5-11.5
315/25R2026.2″ (-1.1%)20 x 11.0-12.0
325/25R2026.4″ (-0.4%)20 x 11.5-12.5
335/25R2026.6″ (0.4%)20 x 11.5-12.5
345/25R2026.8″ (1.1%)20 x 12.0-13.0