255/60R18 tires have a section width of 255 millimeters (mm), an aspect ratio of 60%, radial construction, and an 18-inch wheel diameter. Before buying tires sized 255/60R18, converting 255/60R18 size in inches, comparing it with similar tire sizes like 265/60R18 and 245/60R18, and researching the best 255/60R18 tires helps drivers shop for the right set for their vehicles.
The 255/60R18 tire size is primarily used for mid-size to large SUVs and pickup trucks. Common SUVs and Pickups using 255/60R18: Honda: Pilot and Passport (older trim levels); Volkswagen: Amarok (Pickup) and Touareg; Mercedes-Benz: G-Class (older G500/G550 trims) and M-Class; Land Rover: Discovery (Series 3 and 4) and Range Rover (older models); Chevrolet/GMC: Acadia and Traverse (some specific trims); Ford: Ranger (International/Global models) and Everest.; Nissan: Frontier and Navara (popular upgrade size); Mazda: BT-50 (Pickup); older Land Cruiser Prados in some markets.
255/60R18 tires have a section width of 10.04", a sidewall height of 6.02", and fit an 18-inch wheel. The overall tire diameter is approximately 30.05", resulting in a circumference of 94.40".
The recommended rim width range for a 255/60R18 tire size is 7.0 to 9.0 inches.
255/60R18 tire size in inches and millimeters is presented in the table:
255/60R18 Tire Size Dimensions | 255/60R18 Tire Size Dimensions in Inches (") | Formula to Convert 255/60R18 Size in Inches (") |
255 mm (section width) | 10.04" (≈ 10.0") | 255 ÷ 25.4 = 10.04 |
153.00 mm (sidewall height) | 6.02" (≈ 6.0") | (255 × 0.60) ÷ 25.4 = 6.02 |
18 (rim diameter) | 18" | Given |
763.20 mm (overall diameter) | 30.05" (≈ 30.1") | (2 × 153.00 ÷ 25.4) + 18 = 30.05 |
2397.00 mm (circumference) | 94.42" (≈ 94.4") | 30.05 × 3.1416 = 94.42 |
381.60 mm (radius) | 15.03" (≈ 15.0") | 30.05 ÷ 2 = 15.03 |
In inches, the 255/60R18 tire size can be represented as 30.1" × 10.0" R18.
Compare 255/60R18 with other tire sizes, such as 265/60R18 and 245/60R18, to learn the key differences between them and make the right choice when buying new tires.
The main difference between 255/60R18 and 265/60R18 is the section width. The 255/60R18 tire is 0.39" (10 mm) narrower than the 265/60R18. Because the aspect ratio is a percentage of that width, the 255/60R18 also has a 0.24" (6 mm) shorter sidewall and a 0.47" (12 mm) smaller overall diameter.
The tire dimensions or measurement difference between 255/60R18 vs 265/60R18 is shown in the below table.
Tire dimensions | 255/60R18 tires dimensions in millimetre (mm) and inches (") | 265/60R18 tires dimensions in millimetre (mm) and inches (") | Difference b/w 255/60R18 and 265/60R18 in millimetre (mm) and inches (") | Percentage ≈ difference |
Section Width | 255 mm (≈ 10.04") | 265 mm (≈ 10.43") | 10 mm (≈ 0.39") | ≈ 3.9% |
Sidewall Height | 153.00 mm (≈ 6.02") | 159.00 mm (≈ 6.26") | 6.00 mm (≈ 0.24") | ≈ 3.9% |
Overall Diameter | 763.20 mm (≈ 30.05") | 775.20 mm (≈ 30.52") | 12.00 mm (≈ 0.47") | ≈ 1.6% |
Circumference | 2397.00 mm (≈ 94.42") | 2434.70 mm (≈ 95.86") | 37.70 mm (≈ 1.44") | ≈ 1.6% |
Radius | 381.60 mm (≈ 15.03") | 387.60 mm (≈ 15.26") | 6.00 mm (≈ 0.24") | ≈ 1.6% |
Rim Diameter | 457.2 mm (18.00") | 457.2 mm (18.00") | - | - |
Rim width range | 7.0’’- 9.0’’ | 7.5’’- 9.5’’ | - | - |
Yes, go for it, you can definitely make the swap with a 265/60R18 instead of. 255/60R18. The difference between these sizes is tiny: less than half an inch (12 mm) in height. Since the industry "safe zone" for tire changes is anything under 3%, this 1.57% difference is well within the green light.
With 265/60R18 instead of 255/60R18, your car will look a bit beefier, and the drive generally becomes smoother over potholes. On most trucks and SUVs (like a Jeep Grand Cherokee, Ford Ranger, or Chevy Colorado), there is plenty of room for that extra 10 mm of width. You shouldn't have any issues with the tires rubbing when you turn the wheel.
The main difference between 255/60R18 and 245/60R18 is the section width. The 255/60R18 tire is 0.39" (10 mm) wider than the 245/60R18. Because the aspect ratio is a percentage of that width, the 255/60R18 also has a 0.24" (6 mm) taller sidewall and a 0.47" (12 mm) larger overall diameter.
The tire dimensions or measurement difference between 255/60R18 vs 245/60R18 is shown in the below table.
Tire dimensions | 255/60R18 tires dimensions in millimetre (mm) and inches (") | 245/60R18 tires dimensions in millimetre (mm) and inches (") | Difference b/w 255/60R18 and 245/60R18 in millimetre (mm) and inches (") | Percentage ≈ difference |
Section Width | 255 mm (≈ 10.04") | 245 mm (≈ 9.65") | 10 mm (≈ 0.39") | ≈ 4.1% |
Sidewall Height | 153.00 mm (≈ 6.02") | 147.00 mm (≈ 5.79") | 6.00 mm (≈ 0.24") | ≈ 4.1% |
Overall Diameter | 763.20 mm (≈ 30.05") | 751.20 mm (≈ 29.57") | 12.00 mm (≈ 0.47") | ≈ 1.6% |
Circumference | 2397.00 mm (≈ 94.42") | 2360.90 mm (≈ 92.95") | 36.10 mm (≈ 1.42") | ≈ 1.6% |
Radius | 381.60 mm (≈ 15.03") | 375.60 mm (≈ 14.79") | 6.00 mm (≈ 0.24") | ≈ 1.6% |
Rim Diameter | 457.2 mm (18.00") | 457.2 mm (18.00") | - | - |
Rim width range | 7.0’’- 9.0’’ | 7.0’’- 8.5’’ | - | - |
Yes, It’s a safe swap using 245/60R18 instead of 255/60R18. You are basically just stepping down one size in width. The height difference is only about 0.47" (12 mm), which means the total diameter changes by only 1.57%. Since you're moving to a slightly smaller tire, here is what you’ll notice:
255/60R18 tires have a section width of 255 millimeters (mm), an aspect ratio of 60%, radial construction, and an 18-inch wheel diameter. Before buying tires sized 255/60R18, converting 255/60R18 size in inches, comparing it with similar tire sizes like 265/60R18 and 245/60R18, and researching the best 255/60R18 tires helps drivers shop for the right set for their vehicles.
The 255/60R18 tire size is primarily used for mid-size to large SUVs and pickup trucks. Common SUVs and Pickups using 255/60R18: Honda: Pilot and Passport (older trim levels); Volkswagen: Amarok (Pickup) and Touareg; Mercedes-Benz: G-Class (older G500/G550 trims) and M-Class; Land Rover: Discovery (Series 3 and 4) and Range Rover (older models); Chevrolet/GMC: Acadia and Traverse (some specific trims); Ford: Ranger (International/Global models) and Everest.; Nissan: Frontier and Navara (popular upgrade size); Mazda: BT-50 (Pickup); older Land Cruiser Prados in some markets.
255/60R18 tires have a section width of 10.04", a sidewall height of 6.02", and fit an 18-inch wheel. The overall tire diameter is approximately 30.05", resulting in a circumference of 94.40".
The recommended rim width range for a 255/60R18 tire size is 7.0 to 9.0 inches.
255/60R18 tire size in inches and millimeters is presented in the table:
255/60R18 Tire Size Dimensions | 255/60R18 Tire Size Dimensions in Inches (") | Formula to Convert 255/60R18 Size in Inches (") |
255 mm (section width) | 10.04" (≈ 10.0") | 255 ÷ 25.4 = 10.04 |
153.00 mm (sidewall height) | 6.02" (≈ 6.0") | (255 × 0.60) ÷ 25.4 = 6.02 |
18 (rim diameter) | 18" | Given |
763.20 mm (overall diameter) | 30.05" (≈ 30.1") | (2 × 153.00 ÷ 25.4) + 18 = 30.05 |
2397.00 mm (circumference) | 94.42" (≈ 94.4") | 30.05 × 3.1416 = 94.42 |
381.60 mm (radius) | 15.03" (≈ 15.0") | 30.05 ÷ 2 = 15.03 |
In inches, the 255/60R18 tire size can be represented as 30.1" × 10.0" R18.
Compare 255/60R18 with other tire sizes, such as 265/60R18 and 245/60R18, to learn the key differences between them and make the right choice when buying new tires.
The main difference between 255/60R18 and 265/60R18 is the section width. The 255/60R18 tire is 0.39" (10 mm) narrower than the 265/60R18. Because the aspect ratio is a percentage of that width, the 255/60R18 also has a 0.24" (6 mm) shorter sidewall and a 0.47" (12 mm) smaller overall diameter.
The tire dimensions or measurement difference between 255/60R18 vs 265/60R18 is shown in the below table.
Tire dimensions | 255/60R18 tires dimensions in millimetre (mm) and inches (") | 265/60R18 tires dimensions in millimetre (mm) and inches (") | Difference b/w 255/60R18 and 265/60R18 in millimetre (mm) and inches (") | Percentage ≈ difference |
Section Width | 255 mm (≈ 10.04") | 265 mm (≈ 10.43") | 10 mm (≈ 0.39") | ≈ 3.9% |
Sidewall Height | 153.00 mm (≈ 6.02") | 159.00 mm (≈ 6.26") | 6.00 mm (≈ 0.24") | ≈ 3.9% |
Overall Diameter | 763.20 mm (≈ 30.05") | 775.20 mm (≈ 30.52") | 12.00 mm (≈ 0.47") | ≈ 1.6% |
Circumference | 2397.00 mm (≈ 94.42") | 2434.70 mm (≈ 95.86") | 37.70 mm (≈ 1.44") | ≈ 1.6% |
Radius | 381.60 mm (≈ 15.03") | 387.60 mm (≈ 15.26") | 6.00 mm (≈ 0.24") | ≈ 1.6% |
Rim Diameter | 457.2 mm (18.00") | 457.2 mm (18.00") | - | - |
Rim width range | 7.0’’- 9.0’’ | 7.5’’- 9.5’’ | - | - |
Yes, go for it, you can definitely make the swap with a 265/60R18 instead of. 255/60R18. The difference between these sizes is tiny: less than half an inch (12 mm) in height. Since the industry "safe zone" for tire changes is anything under 3%, this 1.57% difference is well within the green light.
With 265/60R18 instead of 255/60R18, your car will look a bit beefier, and the drive generally becomes smoother over potholes. On most trucks and SUVs (like a Jeep Grand Cherokee, Ford Ranger, or Chevy Colorado), there is plenty of room for that extra 10 mm of width. You shouldn't have any issues with the tires rubbing when you turn the wheel.
The main difference between 255/60R18 and 245/60R18 is the section width. The 255/60R18 tire is 0.39" (10 mm) wider than the 245/60R18. Because the aspect ratio is a percentage of that width, the 255/60R18 also has a 0.24" (6 mm) taller sidewall and a 0.47" (12 mm) larger overall diameter.
The tire dimensions or measurement difference between 255/60R18 vs 245/60R18 is shown in the below table.
Tire dimensions | 255/60R18 tires dimensions in millimetre (mm) and inches (") | 245/60R18 tires dimensions in millimetre (mm) and inches (") | Difference b/w 255/60R18 and 245/60R18 in millimetre (mm) and inches (") | Percentage ≈ difference |
Section Width | 255 mm (≈ 10.04") | 245 mm (≈ 9.65") | 10 mm (≈ 0.39") | ≈ 4.1% |
Sidewall Height | 153.00 mm (≈ 6.02") | 147.00 mm (≈ 5.79") | 6.00 mm (≈ 0.24") | ≈ 4.1% |
Overall Diameter | 763.20 mm (≈ 30.05") | 751.20 mm (≈ 29.57") | 12.00 mm (≈ 0.47") | ≈ 1.6% |
Circumference | 2397.00 mm (≈ 94.42") | 2360.90 mm (≈ 92.95") | 36.10 mm (≈ 1.42") | ≈ 1.6% |
Radius | 381.60 mm (≈ 15.03") | 375.60 mm (≈ 14.79") | 6.00 mm (≈ 0.24") | ≈ 1.6% |
Rim Diameter | 457.2 mm (18.00") | 457.2 mm (18.00") | - | - |
Rim width range | 7.0’’- 9.0’’ | 7.0’’- 8.5’’ | - | - |
Yes, It’s a safe swap using 245/60R18 instead of 255/60R18. You are basically just stepping down one size in width. The height difference is only about 0.47" (12 mm), which means the total diameter changes by only 1.57%. Since you're moving to a slightly smaller tire, here is what you’ll notice: