315/40R16 in Inches

A 315/40R16 tire has a 25.9-inch diameter, a 12.4-inch width, and is designed for a 16-inch rim.

In high flotation terms, this tire is labeled as 25.9x12.4R16.

315/40R16 Tire Size
315/40R16 Tire Size in Inches
315/40R16 Tire Circumference
778.1 revs/mile

315/40R16 Tire Overview

25.9 inches
Wheel Diameter
16 inches
Tire Width
12.4 inches
81.4 inches
Sidewall Height
5 inches
778.1 per mile

What does 315/40R16 mean?

315/40R16 tire size meaning in inches

315/40R16 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.
  • 40 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.
  • 16 is the diameter of the wheel in inches, on which the tire is to be mounted.

315/40R16 Tire Conversion

Tire Diameter25.9 in658.4 mm
Section Width12.4 in315 mm
Rim Height16 in406 mm
Sidewall Height5 in126 mm
Circumference81.4 in2068.4 mm
Revolutions778.1 revs/mile
Not the tire size you are searching for? Try our Tire Size Calculator.

FAQ About 315/40R16 Tire

How tall is a 315/40R16 tire?

The height (or diameter) of a 315/40R16 tire is 25.9 inches

How wide is a 315/40R16 tire?

The width of a 315/40R16 tire is 315 mm, which is about 12.4 inches.

What size rim fits a 315/40R16 tire?

A 315/40R16 tire fits on a rim that is 16 inches in diameter.

What does the 40 in a 315/40R16 tire mean?

The 40 in a 315/40R16 tire refers to the aspect ratio, meaning the height of the tire's sidewall is 40% of its width.

Alternative Tire Sizes for 315/40R16

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 315/40R16:

Tire SizeDiameterRim
135/90R1625.6″ (-1.2%)16 x n/a
145/90R1626.3″ (1.5%)16 x n/a
155/80R1625.8″ (-0.4%)16 x n/a
165/80R1626.4″ (1.9%)16 x 4.0-5.5
175/75R1626.3″ (1.5%)16 x n/a
185/65R1625.5″ (-1.5%)16 x 5.0-6.5
195/60R1625.2″ (-2.7%)16 x 5.5-7.0
195/65R1626.0″ (0.4%)16 x 5.5-7.0
205/60R1625.7″ (-0.8%)16 x 5.5-7.0
205/65R1626.5″ (2.3%)16 x 5.5-7.5
215/55R1625.3″ (-2.3%)16 x 6.0-7.5
215/60R1626.2″ (1.2%)16 x 6.0-7.5
225/55R1625.7″ (-0.8%)16 x 6.0-8.0
225/60R1626.6″ (2.7%)16 x 6.0-8.0
235/50R1625.3″ (-2.3%)16 x 6.5-8.5
235/55R1626.2″ (1.2%)16 x 6.5-8.5
245/50R1625.6″ (-1.2%)16 x 7.0-8.5
245/55R1626.6″ (2.7%)16 x 7.0-8.5
255/50R1626.0″ (0.4%)16 x 7.0-9.0
265/45R1625.4″ (-1.9%)16 x 8.5-10.0
265/50R1626.4″ (1.9%)16 x 7.5-9.5
275/45R1625.7″ (-0.8%)16 x 8.5-10.5