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295/45R18 Tire Size
All You Need to Know About 295/45R18 Tires
295/45R18 on tires means the tire has a section width of 295 millimeters (mm), aspect ratio of 45%, radial construction, and 18-inch wheel diameter. Before buying tires sized 295/45R18, converting 295/45R18 size in inches, comparing it with similar tire sizes like 305/45R18 and 245/40R18, and researching the best 295/45R18 tires helps drivers shop for the right set for their vehicles.
Recommended 295/45/18 Tires
All season 295 45r18 tires: Hankook Ventus ST RH06
295 45r18 cheap tires: Toyo Proxes ST III
What Are The Dimensions of 295/45R18 Tires in Inches?
The 295/45R18 tire features a section width of 11.61", a sidewall height of 5.23", and an overall diameter of 28.45". Mounted on an 18-inch wheel, it has a circumference of 89.39" (≈ 89.4"), resulting in ≈ 709 revolutions per mile.
The industry-standard rim width range for the 295/45R18 size is 9.5-11.0 inches (with 10.0" being ideal).
In flotation sizing, the 295/45R18 is equivalent to a 28.5" × 11.6" R18 tire.
The 295/45R18 measurements in inches and mm are presented the below table:
295/45R18 Tire Size Dimensions | 295/45R18 Tire Size Dimensions in Inches (") | Formula to Convert 295/45R18 Size in Inches (") |
Section width | ≈ 11.61" | 295 ÷ 25.4 = 11.61" (≈ 11.6") |
Sidewall height | ≈ 5.23" | (295 × 45 ÷ 100) ÷ 25.4 = 5.23" (≈ 5.2") |
Rim diameter | 18 " | 18 = 18.00" (≈ 18.0") |
Overall diameter | 28.45" | ((295 × 45 ÷ 100) × 2 + (18 × 25.4)) ÷ 25.4 = 28.45" (≈ 28.5") |
Circumference | ≈ 89.4" | (((295 × 45 ÷ 100) × 2 + (18 × 25.4)) ÷ 25.4) × 3.1416 = 89.39" (≈ 89.4") |
Radius | 14.23" | 28.45 ÷ 2 = 14.23" (≈ 14.2") |
Comparison of 295/45R18 With Similar Tire Sizes
Compare 295/45R18 with other tire sizes, such as 305/45R18 and 245/40R18, to understand the key differences and make the right choice when buying new tires.
What Is The Difference Between 295/45R18 vs 305/45R18?
The 305/45R18 is 10mm (0.39") wider than the 295/45R18, but it also stands 0.35" taller in overall diameter (28.8" vs. 28.5"). This additional width of the 305/45R18 increases the contact patch for better traction, while the taller 5.4" sidewall (compared to 5.2") provides a slightly more cushioned ride.
Because the 305/45R18 has a larger circumference than the 295/45R18, the 305/45R18 results in 701 revolutions per mile, compared to the 709 revolutions per mile of the 295/45R18.
The differences in measurements differences between 305/45R18 and 295/45R18 are presented in the below table:
Tire dimensions | 295/45R18 tires dimensions in millimetre (mm) and inches (") | 305/45R18 tires dimensions in millimetre (mm) and inches (") | Difference b/w 295/45R18 and 305/45R18 in millimetre (mm) and inches (") | Percentage ≈ difference |
Section Width | 295 mm (≈ 11.6") | 305 mm (≈ 12.0") | 10 mm (≈ 0.4") | ≈ 3.4% |
Sidewall Height | 132.75 mm (≈ 5.2") | 137.25 mm (≈ 5.4") | 4.50 mm (≈ 0.2") | ≈ 3.4% |
Overall Diameter | 722.70 mm (≈ 28.5") | 731.70 mm (≈ 28.8") | 9 mm (≈ 0.4") | ≈ 1.2% |
Circumference | 2270.43 mm (≈ 89.4") | 2298.71 mm (≈ 90.5") | 28.27 mm (≈ 1.1") | ≈ 1.2% |
Radius | 361.35 mm (≈ 14.2") | 365.85 mm (≈ 14.4") | 4.50 mm (≈ 0.2") | ≈ 1.2% |
Rim Diameter | 457.20 mm ( 18.0") | 457.20 mm ( 18.0") | - | - |
Rim width range | 9.5-11.0 in | 9.5 - 11.5 in | - | - |
Can I use 305/45R18 instead of 295/45R18?
Yes, you can. Both tires fit an 18-inch wheel, and the size difference is only 1.2%, which is well within the safe 3% limit. The 305/45R18 is about 0.4" wider and 0.36" taller than the 295/45R18. This swap is a popular way to get more grip and a "beefier" look without causing clearance issues on most trucks and muscle cars.
Recommended 305/45R18 Tires
If you plan to switch to 305/45R18 instead of 295/45R18, well-regarded options in this size include:
What Is The Difference Between 295/45R18 vs 245/40R18?
The 295/45R18 and 245/40R18 are vastly different in scale. The 295/45R18 is 2.0 inches (50mm) wider and stands 2.73 inches taller than the 245/40R18. This results in an overall diameter of 28.45" versus 25.72", making the 295/45R18 significantly larger in every dimension. Because of this height gap, the 295/45R18 has a much larger circumference of 89.4", compared to the 245/40R18's 80.8".
The differences in measurements between 245/40R18 and 295/45R18 are presented in the below table:
Tire dimensions | 295/45R18 tires dimensions in millimetre (mm) and inches (") | 245/40R18 tires dimensions in millimetre (mm) and inches (") | Difference b/w 295/45R18 and 245/40R18 in millimetre (mm) and inches (") | Percentage ≈ difference |
Section Width | 295 mm(≈ 11.6") | 245 mm (≈ 9.6") | -50 mm (≈ -2.0") | ≈ -16.9% |
Sidewall Height | 132.75 mm (≈ 5.2") | 98 mm (≈ 3.9") | -34.75 mm (≈ -1.4") | ≈ -26.2% |
Overall Diameter | 722.70 mm (≈ 28.5") | 653.20 mm (≈ 25.7") | -69.50 mm (≈ -2.7") | ≈ -9.6% |
Circumference | 2270.43 mm (≈ 89.4") | 2052.09 mm (≈ 80.8") | -218.34 mm (≈ -8.6") | ≈ -9.6% |
Radius | 361.35 mm (≈ 14.2") | 326.60 mm (≈ 12.9") | -34.75 mm (≈ -1.4") | ≈ -9.6% |
Rim Diameter | 457.20 mm (18.0") | 457.20 mm ( 18.0") | - | ≈ 0.0% |
Rim width range | 9.5-11.0 in | 8.0-9.5 in | - | - |
Can I use 245/40R18 instead of 295/45R18?
No, this swap is not recommended. While both tires fit 18-inch wheels, the 245/40R18 is significantly smaller than the 295/45R18. The overall diameter drops by 9.6% (roughly 2.7 inches), which far exceeds the industry-safe 3% tolerance. On a car designed for 245/40R18 (like a Subaru WRX or BMW 3-series), the 295/45R18 is physically too large. It would likely strike the strut tower or the fender during the first turn, making the vehicle undrivable.
All You Need to Know About 295/45R18 Tires
295/45R18 on tires means the tire has a section width of 295 millimeters (mm), aspect ratio of 45%, radial construction, and 18-inch wheel diameter. Before buying tires sized 295/45R18, converting 295/45R18 size in inches, comparing it with similar tire sizes like 305/45R18 and 245/40R18, and researching the best 295/45R18 tires helps drivers shop for the right set for their vehicles.
Recommended 295/45/18 Tires
All season 295 45r18 tires: Hankook Ventus ST RH06
295 45r18 cheap tires: Toyo Proxes ST III
What Are The Dimensions of 295/45R18 Tires in Inches?
The 295/45R18 tire features a section width of 11.61", a sidewall height of 5.23", and an overall diameter of 28.45". Mounted on an 18-inch wheel, it has a circumference of 89.39" (≈ 89.4"), resulting in ≈ 709 revolutions per mile.
The industry-standard rim width range for the 295/45R18 size is 9.5-11.0 inches (with 10.0" being ideal).
In flotation sizing, the 295/45R18 is equivalent to a 28.5" × 11.6" R18 tire.
The 295/45R18 measurements in inches and mm are presented the below table:
295/45R18 Tire Size Dimensions | 295/45R18 Tire Size Dimensions in Inches (") | Formula to Convert 295/45R18 Size in Inches (") |
Section width | ≈ 11.61" | 295 ÷ 25.4 = 11.61" (≈ 11.6") |
Sidewall height | ≈ 5.23" | (295 × 45 ÷ 100) ÷ 25.4 = 5.23" (≈ 5.2") |
Rim diameter | 18 " | 18 = 18.00" (≈ 18.0") |
Overall diameter | 28.45" | ((295 × 45 ÷ 100) × 2 + (18 × 25.4)) ÷ 25.4 = 28.45" (≈ 28.5") |
Circumference | ≈ 89.4" | (((295 × 45 ÷ 100) × 2 + (18 × 25.4)) ÷ 25.4) × 3.1416 = 89.39" (≈ 89.4") |
Radius | 14.23" | 28.45 ÷ 2 = 14.23" (≈ 14.2") |
Comparison of 295/45R18 With Similar Tire Sizes
Compare 295/45R18 with other tire sizes, such as 305/45R18 and 245/40R18, to understand the key differences and make the right choice when buying new tires.
What Is The Difference Between 295/45R18 vs 305/45R18?
The 305/45R18 is 10mm (0.39") wider than the 295/45R18, but it also stands 0.35" taller in overall diameter (28.8" vs. 28.5"). This additional width of the 305/45R18 increases the contact patch for better traction, while the taller 5.4" sidewall (compared to 5.2") provides a slightly more cushioned ride.
Because the 305/45R18 has a larger circumference than the 295/45R18, the 305/45R18 results in 701 revolutions per mile, compared to the 709 revolutions per mile of the 295/45R18.
The differences in measurements differences between 305/45R18 and 295/45R18 are presented in the below table:
Tire dimensions | 295/45R18 tires dimensions in millimetre (mm) and inches (") | 305/45R18 tires dimensions in millimetre (mm) and inches (") | Difference b/w 295/45R18 and 305/45R18 in millimetre (mm) and inches (") | Percentage ≈ difference |
Section Width | 295 mm (≈ 11.6") | 305 mm (≈ 12.0") | 10 mm (≈ 0.4") | ≈ 3.4% |
Sidewall Height | 132.75 mm (≈ 5.2") | 137.25 mm (≈ 5.4") | 4.50 mm (≈ 0.2") | ≈ 3.4% |
Overall Diameter | 722.70 mm (≈ 28.5") | 731.70 mm (≈ 28.8") | 9 mm (≈ 0.4") | ≈ 1.2% |
Circumference | 2270.43 mm (≈ 89.4") | 2298.71 mm (≈ 90.5") | 28.27 mm (≈ 1.1") | ≈ 1.2% |
Radius | 361.35 mm (≈ 14.2") | 365.85 mm (≈ 14.4") | 4.50 mm (≈ 0.2") | ≈ 1.2% |
Rim Diameter | 457.20 mm ( 18.0") | 457.20 mm ( 18.0") | - | - |
Rim width range | 9.5-11.0 in | 9.5 - 11.5 in | - | - |
Can I use 305/45R18 instead of 295/45R18?
Yes, you can. Both tires fit an 18-inch wheel, and the size difference is only 1.2%, which is well within the safe 3% limit. The 305/45R18 is about 0.4" wider and 0.36" taller than the 295/45R18. This swap is a popular way to get more grip and a "beefier" look without causing clearance issues on most trucks and muscle cars.
Recommended 305/45R18 Tires
If you plan to switch to 305/45R18 instead of 295/45R18, well-regarded options in this size include:
What Is The Difference Between 295/45R18 vs 245/40R18?
The 295/45R18 and 245/40R18 are vastly different in scale. The 295/45R18 is 2.0 inches (50mm) wider and stands 2.73 inches taller than the 245/40R18. This results in an overall diameter of 28.45" versus 25.72", making the 295/45R18 significantly larger in every dimension. Because of this height gap, the 295/45R18 has a much larger circumference of 89.4", compared to the 245/40R18's 80.8".
The differences in measurements between 245/40R18 and 295/45R18 are presented in the below table:
Tire dimensions | 295/45R18 tires dimensions in millimetre (mm) and inches (") | 245/40R18 tires dimensions in millimetre (mm) and inches (") | Difference b/w 295/45R18 and 245/40R18 in millimetre (mm) and inches (") | Percentage ≈ difference |
Section Width | 295 mm(≈ 11.6") | 245 mm (≈ 9.6") | -50 mm (≈ -2.0") | ≈ -16.9% |
Sidewall Height | 132.75 mm (≈ 5.2") | 98 mm (≈ 3.9") | -34.75 mm (≈ -1.4") | ≈ -26.2% |
Overall Diameter | 722.70 mm (≈ 28.5") | 653.20 mm (≈ 25.7") | -69.50 mm (≈ -2.7") | ≈ -9.6% |
Circumference | 2270.43 mm (≈ 89.4") | 2052.09 mm (≈ 80.8") | -218.34 mm (≈ -8.6") | ≈ -9.6% |
Radius | 361.35 mm (≈ 14.2") | 326.60 mm (≈ 12.9") | -34.75 mm (≈ -1.4") | ≈ -9.6% |
Rim Diameter | 457.20 mm (18.0") | 457.20 mm ( 18.0") | - | ≈ 0.0% |
Rim width range | 9.5-11.0 in | 8.0-9.5 in | - | - |
Can I use 245/40R18 instead of 295/45R18?
No, this swap is not recommended. While both tires fit 18-inch wheels, the 245/40R18 is significantly smaller than the 295/45R18. The overall diameter drops by 9.6% (roughly 2.7 inches), which far exceeds the industry-safe 3% tolerance. On a car designed for 245/40R18 (like a Subaru WRX or BMW 3-series), the 295/45R18 is physically too large. It would likely strike the strut tower or the fender during the first turn, making the vehicle undrivable.
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