265/55R18 In Inches – Tire Size & Wheel Fitment Guide


What size tire is 265/55R18 in Inches?

The 265/55R18 tire has an overall diameter of 29.5 inches, a section width of 10.4 inches, and can be mounted on 18 x 7.5-9.5 inches rim. The equivalent tire size in the high flotation system is 29.5x10.4R18.

InchesMillimeters
Tire Diameter29.5748.7
Section Width10.4265
Rim Height18457
Sidewall Height5.7145.8
Circumference92.62352.1
tire diameter
10.4"
29.5"
Tire Side
Tire Circumference
92.6"
18"
5.7"
684.2 Revs/Mile

To help you understand, we'll break down each part of the 265/55R18 tire size to know what these numbers represent & how they may affect your tire's performance:



How wide is a 265/55R18 tire?

The 265/55R18 tire has a width of 10.4 inches (265 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.

tread width
Tread width: 10.4 In.


How tall is a 265/55R18 tire?

The 265/55R18 tire has a height of 29.5 inches (748.7 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: 29.5 In.


265/55R18 sidewall height

The 265/55R18 has a sidewall height of 5.7 inches (145.8 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: 5.7 In.


What size rim do you need for 265/55R18 tire?

You can mount the 265/55R18 tire on a rim with a height of 18 inches and a width ranging from 7.5-9.5 inches. (Based on recommendations of The Tire and Rim Association (TRA))

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

Rim Diameter
Rim height: 18 In.
rim width
Rim width: 7.5-9.5 In.


265/55R18 circumference

The 265/55R18 tire has a circumference of 92.6 inches (2352.1 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
Circumference: 92.6 In.


265/55R18 Revolutions

The 265/55R18 performs 684.2 revs/mile. Revolutions per mile indicate the number of times a tire rotates while it covers the distance of one mile.

Revolutions
684.2 revs/mile


Replacement Tire Sizes for 265/55R18

As a rule, you can replace the tire within a 3% difference in tire diameter (height) of the OEM tire size. Here is a list of compatible tire sizes for 265/55R18:

Tire SizeDiameterRim (H x W)
175/90R1830.4″ (+3%)18″ x n/a
265/50R2030.4″ (+3%)20″ x 7.5-9.5″
265/45R2130.4″ (+3%)21″ x 8.5-10.0″
225/75R1730.3″ (+2.6%)17″ x 6.0-7.5″
285/55R1830.3″ (+2.6%)18″ x 8.0-10.0″
295/40R2130.3″ (+2.6%)21″ x 10.0-11.5″
235/55R2030.2″ (+2.3%)20″ x 6.5-8.5″
215/75R17.530.2″ (+2.3%)17.5″ x n/a
255/65R1730.1″ (+2%)17″ x 7.0-8.5″
235/60R1930.1″ (+2%)19″ x 6.5-8.5″
285/45R2030.1″ (+2%)20″ x 9.0-10.5″
235/70R1730″ (+1.7%)17″ x 6.0-8.0″
275/60R1730″ (+1.7%)17″ x 7.5-9.5″
235/65R1830″ (+1.7%)18″ x 6.5-8.5″
255/60R1830″ (+1.7%)18″ x 7.0-9.0″
175/80R1930″ (+1.7%)19″ x n/a
255/55R1930″ (+1.7%)19″ x 7.0-9.0″
255/50R2030″ (+1.7%)20″ x 7.0-9.0″
255/45R2130″ (+1.7%)21″ x 9.5-11.0″
285/40R2130″ (+1.7%)21″ x 9.5-11.0″
275/55R1829.9″ (+1.3%)18″ x 7.5-9.5″
275/50R1929.8″ (+1%)19″ x 7.5-9.5″
165/90R1829.7″ (+0.7%)18″ x n/a
275/45R2029.7″ (+0.7%)20″ x 8.5-10.5″
245/45R2129.7″ (+0.7%)21″ x 7.5-9.0″
275/40R2129.7″ (+0.7%)21″ x 9.0-11.0″
315/35R2129.7″ (+0.7%)21″ x 10.5-12.5″
245/60R1829.6″ (+0.3%)18″ x 7.0-8.5″
245/55R1929.6″ (+0.3%)19″ x 7.0-8.5″
245/50R2029.6″ (+0.3%)20″ x 7.0-8.5″
305/40R2029.6″ (+0.3%)20″ x 10.0-12.0″
245/65R1729.5″ (Equal)17″ x 7.0-8.5″
265/60R1729.5″ (Equal)17″ x 7.5-9.5″
225/65R1829.5″ (Equal)18″ x 6.0-8.0″
325/45R1829.5″ (Equal)18″ x n/a
295/45R1929.5″ (Equal)19″ x 9.5-11.0″
175/90R1729.4″ (-0.3%)17″ x n/a
225/70R1729.4″ (-0.3%)17″ x 6.0-7.5″
265/50R1929.4″ (-0.3%)19″ x 7.5-9.5″
265/45R2029.4″ (-0.3%)20″ x 8.5-10.0″
305/35R2129.4″ (-0.3%)21″ x 10.0-12.0″
235/50R2029.3″ (-0.7%)20″ x 6.5-8.5″
295/40R2029.3″ (-0.7%)20″ x 10.0-11.5″
235/45R2129.3″ (-0.7%)21″ x 7.5-9.0″
265/40R2129.3″ (-0.7%)21″ x 9.0-10.5″
285/50R1829.2″ (-1%)18″ x 8.0-10.0″
235/55R1929.2″ (-1%)19″ x 6.5-8.5″
235/60R1829.1″ (-1.4%)18″ x 6.5-8.5″
285/45R1929.1″ (-1.4%)19″ x 9.0-10.5″
145/80R2029.1″ (-1.4%)20″ x n/a
295/35R2129.1″ (-1.4%)21″ x 10.0-11.5″
235/65R1729″ (-1.7%)17″ x 6.5-8.5″
255/60R1729″ (-1.7%)17″ x 7.0-9.0″
155/90R1829″ (-1.7%)18″ x n/a
175/80R1829″ (-1.7%)18″ x n/a
255/55R1829″ (-1.7%)18″ x 7.0-9.0″
255/50R1929″ (-1.7%)19″ x 7.0-9.0″
255/45R2029″ (-1.7%)20″ x 8.0-9.5″
285/40R2029″ (-1.7%)20″ x 9.5-11.0″
325/35R2029″ (-1.7%)20″ x 11.0-13.0″
255/40R2129″ (-1.7%)21″ x 8.5-10.0″
215/70R1728.9″ (-2.1%)17″ x 5.5-7.0″
275/55R1728.9″ (-2.1%)17″ x 7.5-9.5″
315/40R1928.9″ (-2.1%)19″ x 11.0-12.0″
285/35R2128.9″ (-2.1%)21″ x 9.5-11.0″
275/50R1828.8″ (-2.4%)18″ x 7.5-9.5″
305/45R1828.8″ (-2.4%)18″ x 9.5-11.5″
155/80R1928.8″ (-2.4%)19″ x n/a
165/90R1728.7″ (-2.8%)17″ x n/a
225/55R1928.7″ (-2.8%)19″ x 6.0-8.0″
275/45R1928.7″ (-2.8%)19″ x 8.5-10.5″
245/45R2028.7″ (-2.8%)20″ x 7.5-9.0″
275/40R2028.7″ (-2.8%)20″ x 9.0-11.0″
315/35R2028.7″ (-2.8%)20″ x 10.5-12.5″
245/40R2128.7″ (-2.8%)21″ x 8.0-9.5″
325/30R2128.7″ (-2.8%)21″ x 11.0-12.0″

More tire sizes for 18" Wheel:

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

33″ Tire Diameter

34″ Tire Diameter


35″ Tire Diameter

36″ Tire Diameter

38″ 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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