165/45R16 In Inches – Tire Size & Rim Fitment Guide


What size tire is 165/45R16 in Inches?

The 165/45R16 tire has an overall diameter of 21.8 inches, a section width of 6.5 inches, and can be mounted on 16 x 5.0-6.0 inches rim. The equivalent tire size in the high flotation system is 21.8x6.5R16.

InchesMillimeters
Tire Diameter21.8554.9
Section Width6.5165
Rim Height16406
Sidewall Height2.974.3
Circumference68.61743.3
tire diameter
6.5"
21.8"
Tire Side
Tire Circumference
68.6"
16"
2.9"
923.2 Revs/Mile

To make it clear, we'll break down each part of the 165/45R16 tire size to know what these numbers represent & how they may affect your vehicle tire's performance:



How tall is a 165/45R16 tire?

A 165/45R16 tire has a height of 21.8 inches (554.9 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: 21.8 In.


How wide is a 165/45R16 tire?

The 165/45R16 has a width of 6.5 inches (165 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: 6.5 In.


165/45R16 sidewall height

The sidewall height of a 165/45R16 is 2.9 inches (74.3 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: 2.9 In.


What size rim do I need for 165/45R16 tire?

You can put on a rim with a height of 16 inches and a rim width ranging from 5.0-6.0 inches for a 165/45R16 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: 16 In.
rim width
Rim width: 5.0-6.0 In.


165/45R16 circumference

The 165/45R16 tire has a circumference of 68.6 inches (1743.3 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
Circumference: 68.6 In.


165/45R16 Revolutions

The 165/45R16 performs 923.2 revs/mile. Revolutions per mile indicate the number of times a tire rotates while it covers the distance of one mile.

Revolutions
923.2 revs/mile


Alternative Tire Sizes for 165/45R16

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 165/45R16:

Tire SizeDiameterRim (H x W)
135/70R1522.4″ (+2.7%)15″ x n/a
145/65R1522.4″ (+2.7%)15″ x 4.0-5.0″
135/60R1622.4″ (+2.7%)16″ x n/a
155/60R1522.3″ (+2.2%)15″ x 4.5-5.5″
185/50R1522.3″ (+2.2%)15″ x n/a
205/45R1522.3″ (+2.2%)15″ x 6.5-7.5″
115/70R1622.3″ (+2.2%)16″ x n/a
165/40R1722.2″ (+1.8%)17″ x n/a
165/55R1522.1″ (+1.4%)15″ x 4.5-6.0″
195/40R1622.1″ (+1.4%)16″ x 6.5-7.5″
185/35R1722.1″ (+1.4%)17″ x n/a
125/70R1521.9″ (+0.5%)15″ x n/a
175/50R1521.9″ (+0.5%)15″ x 5.0-6.0″
195/45R1521.9″ (+0.5%)15″ x 6.0-7.5″
215/35R1621.9″ (+0.5%)16″ x 7.0-8.5″
215/40R1521.8″ (Equal)15″ x 7.0-8.5″
245/35R1521.8″ (Equal)15″ x 8.0-9.5″
185/45R1521.6″ (-0.9%)15″ x 6.0-7.0″
165/50R1521.5″ (-1.4%)15″ x 4.5-6.0″
115/70R1521.3″ (-2.3%)15″ x n/a
165/40R1621.2″ (-2.8%)16″ x 5.5-6.5″

More tire sizes for 16" Wheel:

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


33" Tire Diameter

34" Tire Diameter

35" Tire Diameter

36" Tire Diameter

37" Tire Diameter

38" Tire Diameter

39" 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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