245/40R15 In Inches – Tire Size & Rim Fitment Guide

What size tire is 245/40R15 in Inches?

The 245/40R15 tire has an overall diameter of 22.7 inches, a section width of 9.6 inches, and can be mounted on 15 x 8.0-9.5 inches rim. The equivalent tire size in the high flotation system is 22.7x9.6R15.

Tire Diameter22.7577
Section Width9.6245
Rim Height15381
Sidewall Height3.998
tire diameter
Tire Side
Tire Circumference
887.8 Revs/Mile

To make it clear, we'll break down each part of the 245/40R15 tire size to know what these numbers represent & how they may affect your vehicle tire's performance:

How tall is a 245/40R15 tire?

A 245/40R15 tire has a height of 22.7 inches (577 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 no load.

Tire Diameter
Tire diameter: 22.7 In.

How wide is a 245/40R15 tire?

The 245/40R15 has a width of 9.6 inches (245 mm). This is the tire measurement at its thickest point, the distance between the inner sidewall’s and the outer sidewall’s widest point, also known as section width or tread width.

tread width
Tread width: 9.6 In.

245/40R15 sidewall height

The sidewall height of a 245/40R15 is 3.9 inches (98 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: 3.9 In.

What size rim do I need for 245/40R15 tire?

You can put on a rim with a height of 15 inches and a rim width ranging from 8.0-9.5 inches for a 245/40R15 tire. (Based on recommendations of The Tire and Rim Association (TRA))

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

Rim Diameter
Rim height: 15 In.
rim width
Rim width: 8.0-9.5 In.

245/40R15 circumference

The 245/40R15 tire has a circumference of 71.4 inches (1812.7 mm), This is the measurement of the distance the tire covers in one full rotation.

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

Circumference: 71.4 In.

245/40R15 Revolutions

The 245/40R15 performs 887.8 revs/mile. Revolutions per mile indicate the number of times a tire rotates while it covers the distance of one mile.

887.8 revs/mile

Alternative Tire Sizes for 245/40R15

As a rule, you can replace the tire within a 3% difference in tire diameter (height) of the OEM tire size. Here is the full list of replacement sizes compatible with 245/40R15:

Tire SizeDiameterRim (H x W)
165/65R1523.4″ (+3%)15″ x 4.5-6.0″
195/55R1523.4″ (+3%)15″ x 5.5-7.0″
135/70R1623.4″ (+3%)16″ x n/a
195/35R1823.4″ (+3%)18″ x n/a
175/60R1523.3″ (+2.6%)15″ x 5.0-6.0″
235/45R1523.3″ (+2.6%)15″ x 7.5-9.0″
185/50R1623.3″ (+2.6%)16″ x 5.0-6.5″
205/45R1623.3″ (+2.6%)16″ x 6.5-7.5″
225/30R1823.3″ (+2.6%)18″ x 8.0″
195/60R1423.2″ (+2.2%)14″ x 5.5-7.0″
225/35R1723.2″ (+2.2%)17″ x 7.5-9.0″
165/40R1823.2″ (+2.2%)18″ x n/a
145/80R1423.1″ (+1.7%)14″ x 3.5-5.0″
165/70R1423.1″ (+1.7%)14″ x 4.0-5.5″
205/50R1523.1″ (+1.7%)15″ x 5.5-7.5″
295/35R1523.1″ (+1.7%)15″ x n/a
225/40R1623.1″ (+1.7%)16″ x 7.5-9.0″
195/40R1723.1″ (+1.7%)17″ x 6.5-7.5″
175/65R1423″ (+1.3%)14″ x 5.0-6.0″
185/55R1523″ (+1.3%)15″ x 5.0-6.5″
225/45R1523″ (+1.3%)15″ x 7.0-8.5″
255/35R1623″ (+1.3%)16″ x 8.5-10.0″
205/55R1422.9″ (+0.9%)14″ x 5.5-7.5″
225/50R1422.9″ (+0.9%)14″ x 6.5-7.0″
125/80R1522.9″ (+0.9%)15″ x n/a
155/65R1522.9″ (+0.9%)15″ x 4.5-5.5″
125/70R1622.9″ (+0.9%)16″ x n/a
175/50R1622.9″ (+0.9%)16″ x 5.0-6.0″
195/45R1622.9″ (+0.9%)16″ x 6.0-7.5″
215/35R1722.9″ (+0.9%)17″ x 7.0-8.5″
165/60R1522.8″ (+0.4%)15″ x 5.0-6.0″
215/40R1622.8″ (+0.4%)16″ x 7.0-8.5″
245/35R1622.8″ (+0.4%)16″ x 8.0-9.5″
165/45R1722.8″ (+0.4%)17″ x n/a
185/60R1422.7″ (Equal)14″ x 5.0-6.5″
195/50R1522.7″ (Equal)15″ x 5.5-7.0″
175/55R1522.6″ (-0.4%)15″ x 5.0-6.0″
215/45R1522.6″ (-0.4%)15″ x 7.0-8.0″
275/35R1522.6″ (-0.4%)15″ x 9.0-11.0″
135/80R1422.5″ (-0.9%)14″ x n/a
155/70R1422.5″ (-0.9%)14″ x 4.0-5.0″
165/50R1622.5″ (-0.9%)16″ x 4.5-6.0″
205/40R1622.5″ (-0.9%)16″ x 7.0-8.0″
165/65R1422.4″ (-1.3%)14″ x 4.5-6.0″
195/55R1422.4″ (-1.3%)14″ x 5.5-7.0″
135/70R1522.4″ (-1.3%)15″ x n/a
145/65R1522.4″ (-1.3%)15″ x 4.0-5.0″
135/60R1622.4″ (-1.3%)16″ x n/a
175/60R1422.3″ (-1.8%)14″ x 5.0-6.0″
155/60R1522.3″ (-1.8%)15″ x 4.5-5.5″
185/50R1522.3″ (-1.8%)15″ x n/a
205/45R1522.3″ (-1.8%)15″ x 6.5-7.5″
115/70R1622.3″ (-1.8%)16″ x n/a
165/40R1722.2″ (-2.3%)17″ x n/a
205/50R1422.1″ (-2.7%)14″ x 5.5-7.5″
165/55R1522.1″ (-2.7%)15″ x 4.5-6.0″
195/40R1622.1″ (-2.7%)16″ x 6.5-7.5″
185/35R1722.1″ (-2.7%)17″ x n/a

More tire sizes for 15" Wheel:

19″ Tire Diameter

20″ Tire Diameter

21″ Tire Diameter

22″ Tire Diameter

23″ Tire Diameter

24″ Tire Diameter

25″ Tire Diameter

26″ Tire Diameter

27″ Tire Diameter

28″ Tire Diameter

29″ Tire Diameter

30″ Tire Diameter

31″ Tire Diameter

32″ Tire Diameter

*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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