Tire Size 285/70r18 in inches

The tire size 285/70R18 is equivalent to 33.7×11.2R18 in inches, has a diameter of 33.7 inches (856.2mm), a section width of 11.2 inches (285mm), a wheel diameter of 18 inches (457mm), and is approved to be mounted on 7.5-9.5 inches (190.5-241.3mm) wide wheels.

285/70r18 in inches

Instantly comprehend detailed measurements in inches and millimeters with the help of this Table chart.

FeatureInchesMetric
Tire Diameter33.7856.2
Section Width11.2285
Rim Height18457
Sidewall Height7.9199.5
Circumference105.92689.8
Revolutions372/km599/mile
Rim Width Range7.5-9.5190.5-241.3

How Tall Is A 285/70R18 Tire?

The tire height of the 285/70R18 tire size is 33.7 inches (856.2mm). This height is determined by measuring the tire from the bottom to the top, not including any additional height from the tread pattern.

The 33.7-inch height ensures stability and offers a smooth and comfortable ride in both on-road and off-road conditions.

What Is the 285/70R18 Width In Inches?

The tread width of the 285/70R18 tire size is 11.2 inches (285mm). This measurement signifies the width of the tire’s footprint, which plays a crucial role in traction, road grip, and overall handling. The broad width enhances stability, especially when driving on loose or slippery surfaces.

What Is the 285/70R18 Sidewall Height?

The sidewall height of the 285/70R18 tire size is approximately 7.9 inches (199.5mm). This is calculated by taking 70% of the section width (the ’70’ in 285/70R18).

The sidewall height contributes significantly to the vehicle’s ride quality and handling characteristics, with a larger sidewall often providing a more comfortable ride.

What Is the 285/70R18 Tire Circumference?

The circumference of the 285/70R18 tire size is approximately 105.9 inches (2689.8mm). This is the total distance around the tire, which impacts the number of revolutions the tire makes per mile, affecting the speedometer reading and the overall vehicle performance.

What Is the 285/70R18 Revolutions Per Mile?

For the 285/70R18 tire size, there are approximately 599 revolutions per mile or 372 revolutions per kilometer. This calculation is essential for setting up your speedometer correctly and can influence your fuel economy.

What Is the 285/70R18 Rims Size?

The 285/70R18 tire size rim diameter is 18 inches (457mm). This tire is compatible with wheel widths from 7.5 to 9.5 inches (190.5 – 241.3mm). This range provides various options for choosing a wheel that fits your driving preferences and vehicle style.

Fitment Guide
This will guide you on which vehicles are compatible with the 285/70R18 tire size. Common vehicles include models from brands such as Jeep, Dodge, Ford, and Chevrolet. Please refer to your vehicle’s manual or manufacturer specifications for exact fitment information.

Replacement Tire Size
Replacement tires have to be within 3% of the total diameter of the original tires. This is to ensure compatibility with the vehicle’s suspension system, speedometer, and overall performance.

Tire SizeOverall DiameterDifference
375/50R1832.8″-2.80%
295/65R1833.1″-1.90%
275/70R1833.2″-1.60%
325/60R1833.3″-1.20%
305/65R1833.6″-0.50%
345/60R1834.3″1.60%
295/70R1834.3″1.60%
325/65R1834.6″2.60%

Our Observation
The 285/70R18 tire size offers a balanced blend of off-road performance and on-road comfort. Its wide section width provides excellent stability, while its diameter supports an uncompromised ride.

These qualities make it popular for SUVs, light trucks, and other 4×4 vehicles. Its compatibility with various rim sizes also enhances its versatility and appeal.

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