315/25R20 in Inches

A 315/25R20 tire has a 26.2-inch diameter, a 12.4-inch width, and is designed for a 20-inch rim.

In high flotation terms, this tire is labeled as 26.2x12.4R20.

315/25R20 Tire Size
12.4"
26.2"
315/25R20 Tire Size in Inches
315/25R20 Tire Circumference
82.3"
20"
3.1"
769.8 revs/mile

315/25R20 Tire Overview

Height
26.2 inches
Wheel Diameter
20 inches
Tire Width
12.4 inches
Circumference
82.3 inches
Sidewall Height
3.1 inches
Revolutions
769.8 per mile
Tirelib.com

What does 315/25R20 mean?

315/25R20 tire size meaning in inches

315/25R20 is a tire size with the following dimensions:

  • 315 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.
  • 25 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.

315/25R20 Tire Conversion

DimensionsInchesMillimeters
Tire Diameter26.2 in665.5 mm
Section Width12.4 in315 mm
Rim Height20 in508 mm
Sidewall Height3.1 in78.8 mm
Circumference82.3 in2090.7 mm
Revolutions769.8 revs/mile
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FAQ About 315/25R20 Tire

How tall is a 315/25R20 tire?

The height (or diameter) of a 315/25R20 tire is 26.2 inches

How wide is a 315/25R20 tire?

The width of a 315/25R20 tire is 315 mm, which is about 12.4 inches.

What size rim fits a 315/25R20 tire?

A 315/25R20 tire fits on a rim that is 20 inches in diameter.

What does the 25 in a 315/25R20 tire mean?

The 25 in a 315/25R20 tire refers to the aspect ratio, meaning the height of the tire's sidewall is 25% of its width.

Alternative Tire Sizes for 315/25R20

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 315/25R20:

Tire SizeDiameterRim
225/35R2026.2″ (Equal)20 x 7.5-9.0
145/60R2026.9″ (2.7%)20 x n/a
235/30R2025.6″ (-2.3%)20 x 8.5
235/35R2026.5″ (1.1%)20 x 8.0-9.5
245/30R2025.8″ (-1.5%)20 x 8.0-9.0
245/35R2026.8″ (2.3%)20 x 8.0-9.5
255/30R2026.0″ (-0.8%)20 x 8.5-9.5
265/30R2026.3″ (0.4%)20 x 9.0-10.0
275/30R2026.5″ (1.1%)20 x 9.0-10.0
285/25R2025.6″ (-2.3%)20 x 10.5
285/30R2026.7″ (1.9%)20 x 9.5-10.5
295/25R2025.8″ (-1.5%)20 x 10.0-11.0
305/25R2026.0″ (-0.8%)20 x 10.5-11.5
325/25R2026.4″ (0.8%)20 x 11.5-12.5
335/25R2026.6″ (1.5%)20 x 11.5-12.5
345/25R2026.8″ (2.3%)20 x 12.0-13.0