105/70R15 In Inches – Tire Size & Rim Fitment Guide

What tire size is 105/70R15 in Inches?

The 105/70R15 tire has an overall diameter of 20.8 inches, a section width of 4.1 inches, and can be mounted on 15 inches height of rim. The equivalent tire size in the high flotation system is 20.8x4.1R15.

Tire Diameter20.8528
Section Width4.1105
Rim Height15381
Sidewall Height2.973.5
tire diameter
Tire Side
Tire Circumference
970.2 Revs/Mile

To make it clear, we'll break down each part of the 105/70R15 tire size to know what these numbers represent & how they may affect your tire's performance:

How big is a 105/70R15 tire?

A 105/70R15 tire has a height of 20.8 inches (528 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: 20.8 In.

How wide is a 105/70R15 tire?

The 105/70R15 tire has a width of 4.1 inches (105 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: 4.1 In.

105/70R15 sidewall height

The 105/70R15 has a sidewall height of 2.9 inches (73.5 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 105/70R15 tire?

You can mount the 105/70R15 tire on a rim with a height of 15 inches.

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

Rim Diameter
Rim height: 15 In.
rim width
Rim width: In.

105/70R15 circumference

The 105/70R15 tire has a circumference of 65.3 inches (1658.8 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: 65.3 In.

105/70R15 Revolutions

The 105/70R15 performs 970.2 revs/mile. Revolutions per mile indicate the number of times a tire rotates while it covers the distance of one mile.

970.2 revs/mile

Compatible Tire Sizes for 105/70R15

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 105/70R15:

Tire SizeDiameterRim (H x W)
145/65R1421.4″ (+2.8%)14″ x 4.0-5.0″
185/50R1421.3″ (+2.3%)14″ x 5.0-6.5″
205/45R1421.3″ (+2.3%)14″ x 6.5-7.5″
115/70R1521.3″ (+2.3%)15″ x n/a
165/40R1621.2″ (+1.9%)16″ x 5.5-6.5″
165/55R1421.1″ (+1.4%)14″ x 4.5-6.0″
225/40R1421.1″ (+1.4%)14″ x 7.5-9.0″
255/35R1421″ (+1%)14″ x 8.5-10.0″
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″
215/40R1420.8″ (Equal)14″ x 7.0-8.5″
165/45R1520.8″ (Equal)15″ x 5.0-6.0″
155/55R1420.7″ (-0.5%)14″ x 4.5-5.5″
165/50R1420.5″ (-1.5%)14″ x n/a
115/70R1420.3″ (-2.5%)14″ 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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