225/45R13 In Inches – Tire Size & Wheel Fitment Guide

What size tire is 225/45R13 in Inches?

The 225/45R13 tire has an overall diameter of 21 inches, a section width of 8.9 inches, and can be mounted on 13 x 7.0-8.5 inches rim. The equivalent tire size in the high flotation system is 21x8.9R13.

Tire Diameter21532.7
Section Width8.9225
Rim Height13330
Sidewall Height4101.3
tire diameter
Tire Side
Tire Circumference
961.6 Revs/Mile

To help you understand, we'll break down each part of the 225/45R13 tire size to know what these numbers represent & how they may affect your tire's performance:

How wide is a 225/45R13 tire?

The 225/45R13 tire has a width of 8.9 inches (225 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: 8.9 In.

How tall is a 225/45R13 tire?

The 225/45R13 tire has a height of 21 inches (532.7 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: 21 In.

225/45R13 sidewall height

The 225/45R13 has a sidewall height of 4 inches (101.3 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: 4 In.

What size rim do you need for 225/45R13 tire?

You can mount the 225/45R13 tire on a rim with a height of 13 inches and a width ranging from 7.0-8.5 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: 13 In.
rim width
Rim width: 7.0-8.5 In.

225/45R13 circumference

The 225/45R13 tire has a circumference of 65.9 inches (1673.5 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: 65.9 In.

225/45R13 Revolutions

The 225/45R13 performs 961.6 revs/mile. Revolutions per mile indicate the number of times a tire rotates while it covers the distance of one mile.

961.6 revs/mile

Replacement Tire Sizes for 225/45R13

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 225/45R13:

Tire SizeDiameterRim (H x W)
185/45R1521.6″ (+2.8%)15″ x 6.0-7.0″
135/80R1321.5″ (+2.3%)13″ x 3.5-4.5″
155/70R1321.5″ (+2.3%)13″ x 4.0-5.0″
215/50R1321.5″ (+2.3%)13″ x 5.5-8.5″
165/50R1521.5″ (+2.3%)15″ x 4.5-6.0″
165/65R1321.4″ (+1.9%)13″ x 4.5-6.0″
195/55R1321.4″ (+1.9%)13″ x 5.5-7.0″
145/65R1421.4″ (+1.9%)14″ x 4.0-5.0″
175/60R1321.3″ (+1.4%)13″ x 5.0-6.0″
185/50R1421.3″ (+1.4%)14″ x 5.0-6.5″
205/45R1421.3″ (+1.4%)14″ x 6.5-7.5″
115/70R1521.3″ (+1.4%)15″ x n/a
165/40R1621.2″ (+0.9%)16″ x 5.5-6.5″
145/80R1221.1″ (+0.5%)12″ x 3.5-5.0″
165/70R1221.1″ (+0.5%)12″ x 4.0-5.5″
205/50R1321.1″ (+0.5%)13″ x 5.5-7.5″
165/55R1421.1″ (+0.5%)14″ x 4.5-6.0″
225/40R1421.1″ (+0.5%)14″ x 7.5-9.0″
145/70R1321″ (Equal)13″ x 3.5-5.0″
185/55R1321″ (Equal)13″ x n/a
255/40R1321″ (Equal)13″ x n/a
255/35R1421″ (Equal)14″ x 8.5-10.0″
125/80R1320.9″ (-0.5%)13″ x 3.0-4.0″
155/65R1320.9″ (-0.5%)13″ x 4.5-5.5″
125/70R1420.9″ (-0.5%)14″ x n/a
175/50R1420.9″ (-0.5%)14″ x 5.0-6.0″
195/45R1420.9″ (-0.5%)14″ x 6.0-7.5″
165/60R1320.8″ (-1%)13″ x 4.5-6.0″
215/40R1420.8″ (-1%)14″ x 7.0-8.5″
105/70R1520.8″ (-1%)15″ x n/a
165/45R1520.8″ (-1%)15″ x 5.0-6.0″
155/55R1420.7″ (-1.4%)14″ x 4.5-5.5″
175/55R1320.6″ (-1.9%)13″ x 5.0-6.0″
135/80R1220.5″ (-2.4%)12″ x 3.5-4.5″
155/70R1220.5″ (-2.4%)12″ x 4.0-5.0″
165/50R1420.5″ (-2.4%)14″ x n/a
135/70R1320.4″ (-2.9%)13″ x 3.5-4.5″
145/65R1320.4″ (-2.9%)13″ x n/a

More tire sizes for 13" Wheel:

19" Tire Diameter

20" Tire Diameter

21" Tire Diameter

22" Tire Diameter

23" Tire Diameter

24" 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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