245/30R20 in Inches

A 245/30R20 tire has a 25.8-inch diameter, a 9.6-inch width, and is designed for a 20-inch rim.

In high flotation terms, this tire is labeled as 25.8x9.6R20.

245/30R20 Tire Size
9.6"
25.8"
245/30R20 Tire Size in Inches
245/30R20 Tire Circumference
81"
20"
2.9"
782.1 revs/mile

245/30R20 Tire Overview

Height
25.8 inches
Wheel Diameter
20 inches
Tire Width
9.6 inches
Circumference
81 inches
Sidewall Height
2.9 inches
Revolutions
782.1 per mile
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What does 245/30R20 mean?

245/30R20 tire size meaning in inches

245/30R20 is a tire size with the following dimensions:

  • 245 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.

245/30R20 Tire Conversion

DimensionsInchesMillimeters
Tire Diameter25.8 in655 mm
Section Width9.6 in245 mm
Rim Height20 in508 mm
Sidewall Height2.9 in73.5 mm
Circumference81 in2057.7 mm
Revolutions782.1 revs/mile
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FAQ About 245/30R20 Tire

How tall is a 245/30R20 tire?

The height (or diameter) of a 245/30R20 tire is 25.8 inches

How wide is a 245/30R20 tire?

The width of a 245/30R20 tire is 245 mm, which is about 9.6 inches.

What size rim fits a 245/30R20 tire?

A 245/30R20 tire fits on a rim that is 20 inches in diameter.

What does the 30 in a 245/30R20 tire mean?

The 30 in a 245/30R20 tire refers to the aspect ratio, meaning the height of the tire's sidewall is 30% of its width.

Alternative Tire Sizes for 245/30R20

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 245/30R20:

Tire SizeDiameterRim
295/25R2025.8″ (Equal)20 x 10.0-11.0
215/30R2025.1″ (-2.7%)20 x 7.5-9.0
225/30R2025.3″ (-1.9%)20 x 8
225/35R2026.2″ (1.6%)20 x 7.5-9.0
235/30R2025.6″ (-0.8%)20 x 8.5
235/35R2026.5″ (2.7%)20 x 8.0-9.5
255/30R2026.0″ (0.8%)20 x 8.5-9.5
265/30R2026.3″ (1.9%)20 x 9.0-10.0
275/25R2025.4″ (-1.6%)20 x 10
275/30R2026.5″ (2.7%)20 x 9.0-10.0
285/25R2025.6″ (-0.8%)20 x 10.5
305/25R2026.0″ (0.8%)20 x 10.5-11.5
315/25R2026.2″ (1.6%)20 x 11.0-12.0
325/25R2026.4″ (2.3%)20 x 11.5-12.5