315/40R26 In Inches – Tire Size & Wheel Fitment Guide

What tire size is 315/40R26 in Inches?

The 315/40R26 tire has an overall diameter of 35.9 inches, a section width of 12.4 inches, and can be mounted on 26 inches height of rim. The equivalent tire size in the high flotation system is 35.9x12.4R26.

Tire Diameter35.9912.4
Section Width12.4315
Rim Height26660
Sidewall Height5126
tire diameter
Tire Side
Tire Circumference
561.5 Revs/Mile

To make it clear, we'll break down each part of the 315/40R26 tire size to know what these numbers represent & how they may affect your tire's performance:

How big is a 315/40R26 tire?

A 315/40R26 tire has a height of 35.9 inches (912.4 mm). This is the measurement from the bottom to the highest point at the top of a tire through its exact center when inflated and unloaded.

Tire Diameter
Tire diameter: 35.9 In.

How wide is a 315/40R26 tire?

The 315/40R26 tire has a width of 12.4 inches (315 mm). This is the measurement at its thickest point, the distance between the outer sidewall and the inner sidewall’s widest point, also called as tread width or section width.

You can put a slightly narrower or wider tire on a rim as long as it falls within the manufacturer's recommended tire width range.

tread width
Tread width: 12.4 In.

315/40R26 sidewall height

The 315/40R26 has a sidewall height of 5 inches (126 mm). It’s measured from the rim to the outer edge of the tire's tread, expressed as a percentage of tire width.

sidewall height
Sidewall height: 5 In.

What size rim do I need for 315/40R26 tire?

You can mount the 315/40R26 tire on a rim with a height of 26 inches.

Putting very narrow tires on wide rims or vice versa can result in reduced performance of the tire.

Rim Diameter
Rim height: 26 In.
rim width
Rim width: 10.5-12.5 In.

315/40R26 circumference

The 315/40R26 tire has a circumference of 112.8 inches (2866.4 mm), This is the measurement of the distance the tire travels in one revolution.

The tire circumference is important for your vehicle's overall performance, affecting its speedometer acceleration, accuracy and fuel efficiency.

Circumference: 112.8 In.

315/40R26 Revolutions

The 315/40R26 performs 561.5 revs/mile. Revolutions per mile indicate the number of times a tire rotates while it covers the distance of one mile.

561.5 revs/mile

Compatible Tire Sizes for 315/40R26

As a rule, you can replace the tire within a 3% difference in tire diameter (height) of the OEM tire size. However, it should be considered as a general guideline, not a hard and fast rule. Here is a list of compatible tire sizes for 315/40R26:

More tire sizes for 26" Wheel:

31″ Tire Diameter

32″ Tire Diameter

33″ Tire Diameter

34″ Tire Diameter

35″ Tire Diameter

37″ Tire Diameter

Tire SizeDiameterRim (H x W)
325/35R2837″ (+3%)28″ x 11.0-13.0″
255/30R3036″ (+0.3%)30″ x n/a
275/25R3035.4″ (-1.4%)30″ x n/a
335/35R2635.2″ (-2%)26″ x n/a
315/20R3035″ (-2.6%)30″ x n/a
315/40R2534.9″ (-2.9%)25″ x 10.5-12.5″

*Disclaimer: Please note that our tire dimensions & measurements are an approximation number, while the tire manufacturers may have different ways in calculating or rounding numbers. We recommend referring to the vehicle manufacturer's manual or checking with the tire technician to find out the correct tire size for your vehicle.

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