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235/50R18 Tire Size
All You Need to Know About 235/50R18 Tires
235/50R18 tires have a section width of 235 millimeters (mm), an aspect ratio of 50%, radial construction, and an 18-inch wheel diameter. Before buying tires sized 235/50R18, converting 235/50R18 size in inches, comparing it with similar tire sizes like 235/55R18 and 225/50R18, and researching the best 235/50R18 tires helps drivers shop for the right set for their vehicles.
What Are The Dimensions of 235/50R18 Tires in Inches?
235/50R18 tires have a section width of ≈ 9.25 inches, an aspect ratio of ≈ 4.63 inches, and a wheel diameter of 18 inches. The overall tire diameter is ≈ 27.25 inches, the circumference is ≈ 85.61 inches, and the recommended rim width range is 6.5 to 8.5 inches. In inches, the 235/50R18 tire size can be represented as (rounded) 27.3" × 9.3" R18.
Most Recommended 235/50R18 Tires
Drivers choosing 235/50R18 tires often aim for a refined on-road feel with dependable grip and controlled handling that suits both urban driving and longer highway trips. Top 5 Tire Recommendations for 235/50R18 (by conditions) include:
Comparison of 235/50R18 With Similar Tire Sizes
Compare 235/50R18 with other tire sizes, such as 235/55R18 and 225/50R18, to learn the key differences between them and make the right choice when buying new tires.
What Is the Difference Between 235/50R18 vs 235/55R18 Tire Sizes?
The main difference between 235/50R18 and 235/55R18 is the sidewall height due to the 5% difference in aspect ratio. The 235/50R18 tire has a sidewall height of 50% of its width (235), compared to 55% for the 235/55R18, meaning that the 235/50R18 sidewall is ≈11 mm (≈0.46") shorter than the 235/55R18 sidewall, which results in a ≈23 mm (≈0.93") smaller overall diameter of the 235/50R18 compared to 235/55R18 tire size.
The tire dimensions or measurement difference between 235/50R18 vs 235/55R18 is provided in the below table.
Tire Dimensions | 235/50R18 tires dimensions in millimeters (mm) and inches (") | 235/55R18 tires dimensions in millimeters (mm) and inches (") | Difference b/w 235/50R18 and 235/55R18 in millimeters (mm) and inches (") | Percentage ≈ difference b/w 235/50R18 and 235/55R18 |
Section Width | 235 mm (≈ 9.25") | 235 mm (≈ 9.25") | 0 | 0 |
Sidewall Height | 118 mm (≈ 4.63") | 129 mm (≈ 5.09") | 11.8 mm (≈ 0.46") | ≈ 9.1% |
Overall Diameter | 693 mm (≈ 27.25") | 716 mm (≈ 28.18") | 23.5 mm (≈ 0.93") | ≈ 3.3% |
Circumference | 2174 mm (≈ 85.61") | 2248 mm (≈ 88.52") | 73 mm (≈ 2.91") | ≈ 3.3% |
Radius | 346 mm (≈ 13.63") | 358 mm (≈ 14.09") | 11.8 mm (≈ 0.46") | ≈ 3.3% |
Rim Diameter | 457.2 mm (18.00") | 457.2 mm (18.00") | - | |
Rim Width Range | 6.5’’–8.5’’ | 6.5"–8.5" | - | - |
Can I use 235/55R18 instead of 235/50R18?
Yes, you can switch to 235/55 from 235/50 whenever you ensure that the taller profile doesn’t rub the car body, and you are ok with minor changes in speedometer readings and handling.
What Is the Difference Between 235/50R18 vs 225/50R18?
The key difference between 235/50R18 and 225/50R18 sizes is the tire tread width, whereas the 235/50R18 has a 10 mm (≈ 0.4’’) wider footprint compared to 225/50R18, often resulting in better grip.
The tire dimensions or measurement difference between 235/50R18 vs 225/50R18 is provided in the below table.
Tire Dimensions | 235/50R18 tires dimensions in millimetre (mm) and inches (") | 225/50R18 tires dimensions in millimetre (mm) and inches (") | Difference b/w 235/50R18 and 225/50R18 in millimetre (mm) and inches (") | Percentage ≈ difference b/w 235/50R18 and 225/50R18 |
Section Width | 235 mm (≈ 9.25") | 225 mm (≈ 8.86") | 10 mm (≈ 0.39") | ≈ 4.3% |
Sidewall Height | 118 mm (≈ 4.63") | 113 mm (≈ 4.45") | 5 mm (≈ 0.18") | ≈ 4.3% |
Overall Diameter | 693 mm (≈ 27.25") | 679 mm (≈ 26.75") | 14 mm (≈ 0.55") | ≈ 2.0% |
Circumference | 2174 mm (≈ 85.61") | 2134 mm (≈ 84.02") | 40 mm (≈ 1.59") | ≈ 1.9% |
Radius | 346 mm (≈ 13.63") | 340 mm (≈ 13.38") | 6 mm (≈ 0.24") | ≈ 1.7% |
Rim Diameter | 457.2 mm (18.00") | 457.2 mm (18.00") | - | - |
Rim Width Range | 6.5’’–8.5’’ | 6.0’’–8.0’’ | - | - |
Can I use 225/50R18 instead of 235/50R18?
Yes, you can generally switch from 235/50R18 to 225/50R18, with only minor speedometer changes of about 1.4% and some less grip, but potentially better fuel efficiency, even though the difference is barely noticeable; also, ensure load rating of the narrower 225/50R18 fits vehicle requirements to avoid excessive wear and overloading damage on suspension.
All You Need to Know About 235/50R18 Tires
235/50R18 tires have a section width of 235 millimeters (mm), an aspect ratio of 50%, radial construction, and an 18-inch wheel diameter. Before buying tires sized 235/50R18, converting 235/50R18 size in inches, comparing it with similar tire sizes like 235/55R18 and 225/50R18, and researching the best 235/50R18 tires helps drivers shop for the right set for their vehicles.
What Are The Dimensions of 235/50R18 Tires in Inches?
235/50R18 tires have a section width of ≈ 9.25 inches, an aspect ratio of ≈ 4.63 inches, and a wheel diameter of 18 inches. The overall tire diameter is ≈ 27.25 inches, the circumference is ≈ 85.61 inches, and the recommended rim width range is 6.5 to 8.5 inches. In inches, the 235/50R18 tire size can be represented as (rounded) 27.3" × 9.3" R18.
Most Recommended 235/50R18 Tires
Drivers choosing 235/50R18 tires often aim for a refined on-road feel with dependable grip and controlled handling that suits both urban driving and longer highway trips. Top 5 Tire Recommendations for 235/50R18 (by conditions) include:
Comparison of 235/50R18 With Similar Tire Sizes
Compare 235/50R18 with other tire sizes, such as 235/55R18 and 225/50R18, to learn the key differences between them and make the right choice when buying new tires.
What Is the Difference Between 235/50R18 vs 235/55R18 Tire Sizes?
The main difference between 235/50R18 and 235/55R18 is the sidewall height due to the 5% difference in aspect ratio. The 235/50R18 tire has a sidewall height of 50% of its width (235), compared to 55% for the 235/55R18, meaning that the 235/50R18 sidewall is ≈11 mm (≈0.46") shorter than the 235/55R18 sidewall, which results in a ≈23 mm (≈0.93") smaller overall diameter of the 235/50R18 compared to 235/55R18 tire size.
The tire dimensions or measurement difference between 235/50R18 vs 235/55R18 is provided in the below table.
Tire Dimensions | 235/50R18 tires dimensions in millimeters (mm) and inches (") | 235/55R18 tires dimensions in millimeters (mm) and inches (") | Difference b/w 235/50R18 and 235/55R18 in millimeters (mm) and inches (") | Percentage ≈ difference b/w 235/50R18 and 235/55R18 |
Section Width | 235 mm (≈ 9.25") | 235 mm (≈ 9.25") | 0 | 0 |
Sidewall Height | 118 mm (≈ 4.63") | 129 mm (≈ 5.09") | 11.8 mm (≈ 0.46") | ≈ 9.1% |
Overall Diameter | 693 mm (≈ 27.25") | 716 mm (≈ 28.18") | 23.5 mm (≈ 0.93") | ≈ 3.3% |
Circumference | 2174 mm (≈ 85.61") | 2248 mm (≈ 88.52") | 73 mm (≈ 2.91") | ≈ 3.3% |
Radius | 346 mm (≈ 13.63") | 358 mm (≈ 14.09") | 11.8 mm (≈ 0.46") | ≈ 3.3% |
Rim Diameter | 457.2 mm (18.00") | 457.2 mm (18.00") | - | |
Rim Width Range | 6.5’’–8.5’’ | 6.5"–8.5" | - | - |
Can I use 235/55R18 instead of 235/50R18?
Yes, you can switch to 235/55 from 235/50 whenever you ensure that the taller profile doesn’t rub the car body, and you are ok with minor changes in speedometer readings and handling.
What Is the Difference Between 235/50R18 vs 225/50R18?
The key difference between 235/50R18 and 225/50R18 sizes is the tire tread width, whereas the 235/50R18 has a 10 mm (≈ 0.4’’) wider footprint compared to 225/50R18, often resulting in better grip.
The tire dimensions or measurement difference between 235/50R18 vs 225/50R18 is provided in the below table.
Tire Dimensions | 235/50R18 tires dimensions in millimetre (mm) and inches (") | 225/50R18 tires dimensions in millimetre (mm) and inches (") | Difference b/w 235/50R18 and 225/50R18 in millimetre (mm) and inches (") | Percentage ≈ difference b/w 235/50R18 and 225/50R18 |
Section Width | 235 mm (≈ 9.25") | 225 mm (≈ 8.86") | 10 mm (≈ 0.39") | ≈ 4.3% |
Sidewall Height | 118 mm (≈ 4.63") | 113 mm (≈ 4.45") | 5 mm (≈ 0.18") | ≈ 4.3% |
Overall Diameter | 693 mm (≈ 27.25") | 679 mm (≈ 26.75") | 14 mm (≈ 0.55") | ≈ 2.0% |
Circumference | 2174 mm (≈ 85.61") | 2134 mm (≈ 84.02") | 40 mm (≈ 1.59") | ≈ 1.9% |
Radius | 346 mm (≈ 13.63") | 340 mm (≈ 13.38") | 6 mm (≈ 0.24") | ≈ 1.7% |
Rim Diameter | 457.2 mm (18.00") | 457.2 mm (18.00") | - | - |
Rim Width Range | 6.5’’–8.5’’ | 6.0’’–8.0’’ | - | - |
Can I use 225/50R18 instead of 235/50R18?
Yes, you can generally switch from 235/50R18 to 225/50R18, with only minor speedometer changes of about 1.4% and some less grip, but potentially better fuel efficiency, even though the difference is barely noticeable; also, ensure load rating of the narrower 225/50R18 fits vehicle requirements to avoid excessive wear and overloading damage on suspension.
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