Tire Size 235/85r16 in inches

Tire size 235/85r16 is equivalent to 31.7×9.3R16, has a diameter of 31.7 inches (805.9 mm), a section width of 9.3 inches (235 mm), a wheel diameter of 16 inches (406 mm), and is approved to be mounted on 6.0-7.0 inches (152.4-177.8 mm) wide wheels. This tire size, used in a variety of vehicles, is renowned for its durability and versatility.

235/85r16 in inches

Feature Inches Metric (mm)
Tire Diameter 31.7 805.9
Section Width 9.3 235
Rim Height 16 406
Sidewall Height 7.9 199.8
Circumference 99.7 2531.8
Revolutions 395 per km 637 per mile
Rim Width Range 6.0-7.0 152.4 – 177.8

How Tall Is A 235/85r16 Tire?

The Tire Height of the 235/85r16 tire size is approximately 31.7 inches, which translates to 805.9 mm. This measurement is also known as the overall diameter, which essentially is the distance from the top edge of the tire to the bottom edge when the tire is mounted and inflated but not under load.

What Is the 235/85r16 Width In Inches?

The tread width of the 235/85r16 tire size is approximately 9.3 inches or 235 mm. This measurement, also known as the section width, refers to the linear distance between the outer and inner sidewalls of an unloaded and inflated tire. It’s critical to note that the tread width directly affects the contact surface area between the tire and the road.

What Is the 235/85r16 Sidewall Height?

The 235/85r16 tire’s sidewall height is about 7.9 inches (199.8 mm). This measurement represents the height of the tire sidewall from the rim to the tread. It’s derived by multiplying the section width (235 mm) by the aspect ratio (85%). A tire’s sidewall height can significantly impact a vehicle’s handling characteristics and ride comfort.

What Is the 235/85r16 Tire Circumference?

The circumference of the 235/85r16 tire size is 99.7 inches or 2531.8 mm. The tire circumference is the distance around the outer edge of the tire, which is crucial in determining the tire’s revolutions per mile, a key factor in vehicle speed and mileage calculations.

What Is the 235/85r16 Revolutions Per Mile?

For the 235/85r16 tire size, there are about 637 revolutions per mile or 395 revolutions per km. The revolutions per mile indicate how many times a tire will rotate in one mile and are inversely proportional to the tire’s overall diameter.

What Is the 235/85r16 Rims Size?

For the 235/85r16 tire size, the rim diameter is 16 inches or 406 mm. It’s important to note that this tire size is approved to be mounted on rims with a width range between 6.0 and 7.0 inches (152.4 and 177.8 mm), ensuring a proper fit and optimal performance.

Fitment Guide
Ensuring proper fitment is paramount when selecting tires for your vehicle. The 235/85r16 is suitable for 6.0 to 7.0 inches wide rims. It’s essential to remember that a properly fitted tire enhances the overall performance and prolongs the lifespan of both the tire and the rim.

Brand Name Model
CHEVROLET C20 (1976 – 1986), K20 (1975 – 1987), R2500 Suburban (1989 – 1991), C20 Suburban (1976 – 1986), R20 Suburban (1987 – 1988), V2500 Suburban (1989 – 1991)
DODGE Ram 3500 (1994 – 2002)
FORD F-250 (1973 – 2004), F-350 (1987 – 2004)
GMC Suburban 2500 (1982 – 1991)
LAND ROVER Defender (2010 – 2016)
TOYOTA Land Cruiser (1998 – 2007)

Replacement Tire Size
Replacement tires have to be within 3% of the total diameter of the original tires. This rule ensures the vehicle’s speedometer, odometer, and traction control systems function correctly. Tires within this range for the 235/85r16 size are considered safe replacements and won’t negatively affect the vehicle’s performance.

Tire Size Overall Diameter Difference
235/80R16 30.8″ (782 mm) -3%
345/55R16 30.9″ (786 mm) -2.5%
225/85R16 31″ (788 mm) -2.2%
295/65R16 31.1″ (790 mm) -2%
275/70R16 31.2″ (792 mm) -1.7%
265/75R16 31.7″ (804 mm) -0.2%
285/70R16 31.7″ (806 mm) 0%
225/90R16 32″ (812 mm) 0.7%
375/55R16 32.2″ (818 mm) 1.5%
265/80R16 32.7″ (830 mm) 3%

Our Observation
Based on our extensive review, the 235/85r16 tire size provides a balanced blend of performance and comfort. Its overall diameter and tread width make it an ideal choice for various vehicles, offering a stable ride and good traction. However, it’s vital to ensure this tire size fits the recommended rim width of your vehicle for optimal safety and performance.

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