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315/60R20 Tire Size
All You Need to Know About 315/60R20 Tires
315/60R20 on tires means the tire has a section width of 315 millimeters (mm), an aspect ratio of 60%, radial construction, and a 20-inch wheel diameter. Before buying tires sized 315/60R20, converting 315/60R20 size in inches, comparing it with other tire sizes like 275/60R20 and 275/65R20, and researching the best 315/60R20 tires helps drivers shop for the right set for their vehicles.
What Are The Dimensions of 315/60R20 Tires in Inches?
The 315/60R20 tire has a section width of 12.40" (≈ 12.4"), a sidewall height of 7.44" (≈ 7.4"), and fits a 20" wheel diameter. The overall diameter is 34.88" (≈ 34.9"), and the circumference is 109.58" (≈ 109.6").
The recommended rim width range for the 315/60R20 size is 9.0" to 11.0".
In inches, the 315/60R20 tire size can be represented as 34.9" × 12.4" R20.
Metric Size | Inch Equivalent (Rounded) | Industry "True" Dimensions |
315/60R20 | 35" × 12.5" R20 | 34.9" x 12.4" |
315/60R20 tire dimensions in inches/mm, and the conversion formula are presented in the below table:
315/60R20 Tire Size Dimensions | 315/60R20 Tire Size Dimensions in Inches (") | Formula to Convert 315/60R20 Size in Inches (") |
Section width | 12.40" (≈ 12.4") | 315 ÷ 25.4 |
Sidewall height | 7.44" (≈ 7.4") | 315 × 0.60 ÷ 25.4 |
Rim diameter | 20" | given |
Overall diameter | 34.88" (≈ 34.9") | (2 × 7.44) + 20 |
Circumference | 109.58" (≈ 109.6") | 34.88 × 3.1416 |
Radius | 17.44" (≈ 17.4") | 34.88 ÷ 2 |
Comparison of 315/60R20 With Other Tire Sizes
Compare 315/60R20 with other tire sizes, such as 275/60R20 and 275/65R20, to understand the key differences and make the right choice when buying new tires.
What Is The Difference Between 315/60R20 vs 275/60R20?
The key differences between the 315/60R20 and the 275/60R20 are that the 315/60R20 is significantly larger in most key dimensions, featuring a 34.9-inch diameter compared to the 275/60R20’s 33.0-inch diameter, which results in a 1.9-inch height increase and a 0.95-inch gain in ground clearance.
Additionally, the 315/60R20 provides a much wider footprint at 12.4 inches versus the 10.8 inches of the 275/60R20, a 1.6-inch width difference, and its 7.4-inch sidewall is 0.9 inches taller than the 275/60R20's 6.5-inch sidewall.
The differences in measurements between 315/60R20 and 275/60R20 tire sizes are show in the below table:
Tire dimensions | 315/60R20 tires dimensions in millimetre (mm) and inches (") | 275/60R20 tires dimensions in millimetre (mm) and inches (") | Difference b/w 315/60R20 and 275/60R20 in millimetre (mm) and inches (") | Percentage ≈ difference | |
Section Width | ≈ 315 mm (≈ 12.4") | 275.00 mm (≈ 10.8") | 40.00 mm (≈ 1.6") | ≈ 12.7% | |
Sidewall Height | 189.00 mm (≈ 7.4") | 165.00 mm (≈ 6.5") | 24.00 mm (≈ 0.9") | ≈ 12.7% | |
Overall Diameter | 886.00 mm (≈ 34.9") | 838.00 mm (≈ 33.0") | 48.00 mm (≈ 1.9") | ≈ 5.4% | |
Circumference | 2782.26 mm (≈ 109.6") | 2632.66 mm (≈ 103.7") | 149.60 mm (≈ 5.9") | ≈ 5.4% | |
Radius | 443.00 mm (≈ 17.4") | 419.00 mm (≈ 16.5") | ≈ 24 mm (≈ 0.9") | ≈ 5.4% | |
Rim Diameter | 20.00" | 20.00" | - | - | |
Rim width range | 9.0"–11.0" | 7.5"–9.5" | - | - |
Can I use 275/60R20 instead of 315/60R20?
No, it is not recommended. Switching from a 315/60R20 to a 275/60R20 results in a -5.4% diameter reduction (34.9" down to 33.0"), which exceeds the industry-standard ±3% tolerance. This 1.9-inch height drop reduces ground clearance by nearly an inch and causes the speedometer to read 3.4 mph faster at a displayed 60 mph. Such a deviation can disrupt ABS, Traction Control, and ESC systems, which rely on precise revolutions per mile, while the 275/60R20’s typically lower Load Index may fail to safely support the vehicle's original weight requirements.
What Is The Difference Between 315/60R20 vs 275/65R20?
The key differences between the 315/60R20 and the 275/65R20 are that the 315/60R20 is a wider tire with a slightly larger overall profile, measuring 34.9 inches in diameter compared to the 275/65R20’s 34.1 inches, resulting in a 0.8-inch height increase and a 0.4-inch gain in ground clearance.
In terms of width, the 315/60R20 offers a much broader 12.4-inch footprint versus the 10.8-inch width of the 275/65R20-a 1.6-inch difference-while its 7.4-inch sidewall is only 0.4 inches taller than the 275/65R20’s 7.0-inch sidewall.
The differences in measurements between 315/60R20 and 275/65R20 tire sizes are shown in the below table:
Tire dimensions | 315/60R20 tires dimensions in millimetre (mm) and inches (") | 275/65R20 tires dimensions in millimetre (mm) and inches (") | Difference b/w 315/60R20 and 275/65R20 in millimetre (mm) and inches (") | Percentage ≈ difference |
Section Width | 315.00 mm (≈ 12.4") | 275.00 mm (≈ 10.8") | 40.00 mm (≈ 1.6") | ≈ 12.7% |
Sidewall Height | 189.00 mm (≈ 7.4") | 178.75 mm (≈ 7.0") | 10.25 mm (≈ 0.4") | ≈ 5.4% |
Overall Diameter | 886.00 mm (≈ 34.9") | 865.50 mm (≈ 34.1") | 20.50 mm (≈ 0.8") | ≈ 2.3% |
Circumference | 2782.26 mm (≈ 109.6") | 2718.15 mm (≈ 107.0") | 64.10 mm (≈ 2.5") | ≈ 2.3% |
Radius | 443.00 mm (≈ 17.4") | 432.75 mm (≈ 17.0") | 10.25 mm (≈ 0.4") | ≈ 2.3% |
Rim Diameter | 20.00" | 20.00" | 0.00 mm (≈ 0.0") | 0.0% |
Rim width range | 9.0"–11.0" | 7.5"–9.5" | - | - |
Can I use 275/65R20 instead of 315/60R20?
Yes, using a 275/65R20 instead of a 315/60R20 is generally accepted and safe. Since the overall diameter difference is only 2.3% (34.1" vs 34.9"), it falls well within the industry-standard ±3% tolerance for tire size deviations.
This 0.8-inch height reduction results in a negligible 0.4-inch loss in ground clearance and will only cause your speedometer to read approximately 1.4 mph faster at a displayed 60 mph. Because the 275/65R20 is 1.6 inches narrower, it often provides better clearance from suspension components and can safely fit on narrower factory wheels (7.5" to 9.5" wide) where a 315-width tire might rub.
Recommended 315/60R20 Tires
Well-regarded options in 315/60R20 size include:
- 315 60r20 tires cheap: Yokohama Geolandar X-AT
- 315 60r20 all-season: Nitto Recon Grappler A/T
- 315 60r20 rugged-terrain: Toyo Open Country R/T
- 315 60r20 all-terrain: Nitto Recon Grappler A/T
All You Need to Know About 315/60R20 Tires
315/60R20 on tires means the tire has a section width of 315 millimeters (mm), an aspect ratio of 60%, radial construction, and a 20-inch wheel diameter. Before buying tires sized 315/60R20, converting 315/60R20 size in inches, comparing it with other tire sizes like 275/60R20 and 275/65R20, and researching the best 315/60R20 tires helps drivers shop for the right set for their vehicles.
What Are The Dimensions of 315/60R20 Tires in Inches?
The 315/60R20 tire has a section width of 12.40" (≈ 12.4"), a sidewall height of 7.44" (≈ 7.4"), and fits a 20" wheel diameter. The overall diameter is 34.88" (≈ 34.9"), and the circumference is 109.58" (≈ 109.6").
The recommended rim width range for the 315/60R20 size is 9.0" to 11.0".
In inches, the 315/60R20 tire size can be represented as 34.9" × 12.4" R20.
Metric Size | Inch Equivalent (Rounded) | Industry "True" Dimensions |
315/60R20 | 35" × 12.5" R20 | 34.9" x 12.4" |
315/60R20 tire dimensions in inches/mm, and the conversion formula are presented in the below table:
315/60R20 Tire Size Dimensions | 315/60R20 Tire Size Dimensions in Inches (") | Formula to Convert 315/60R20 Size in Inches (") |
Section width | 12.40" (≈ 12.4") | 315 ÷ 25.4 |
Sidewall height | 7.44" (≈ 7.4") | 315 × 0.60 ÷ 25.4 |
Rim diameter | 20" | given |
Overall diameter | 34.88" (≈ 34.9") | (2 × 7.44) + 20 |
Circumference | 109.58" (≈ 109.6") | 34.88 × 3.1416 |
Radius | 17.44" (≈ 17.4") | 34.88 ÷ 2 |
Comparison of 315/60R20 With Other Tire Sizes
Compare 315/60R20 with other tire sizes, such as 275/60R20 and 275/65R20, to understand the key differences and make the right choice when buying new tires.
What Is The Difference Between 315/60R20 vs 275/60R20?
The key differences between the 315/60R20 and the 275/60R20 are that the 315/60R20 is significantly larger in most key dimensions, featuring a 34.9-inch diameter compared to the 275/60R20’s 33.0-inch diameter, which results in a 1.9-inch height increase and a 0.95-inch gain in ground clearance.
Additionally, the 315/60R20 provides a much wider footprint at 12.4 inches versus the 10.8 inches of the 275/60R20, a 1.6-inch width difference, and its 7.4-inch sidewall is 0.9 inches taller than the 275/60R20's 6.5-inch sidewall.
The differences in measurements between 315/60R20 and 275/60R20 tire sizes are show in the below table:
Tire dimensions | 315/60R20 tires dimensions in millimetre (mm) and inches (") | 275/60R20 tires dimensions in millimetre (mm) and inches (") | Difference b/w 315/60R20 and 275/60R20 in millimetre (mm) and inches (") | Percentage ≈ difference | |
Section Width | ≈ 315 mm (≈ 12.4") | 275.00 mm (≈ 10.8") | 40.00 mm (≈ 1.6") | ≈ 12.7% | |
Sidewall Height | 189.00 mm (≈ 7.4") | 165.00 mm (≈ 6.5") | 24.00 mm (≈ 0.9") | ≈ 12.7% | |
Overall Diameter | 886.00 mm (≈ 34.9") | 838.00 mm (≈ 33.0") | 48.00 mm (≈ 1.9") | ≈ 5.4% | |
Circumference | 2782.26 mm (≈ 109.6") | 2632.66 mm (≈ 103.7") | 149.60 mm (≈ 5.9") | ≈ 5.4% | |
Radius | 443.00 mm (≈ 17.4") | 419.00 mm (≈ 16.5") | ≈ 24 mm (≈ 0.9") | ≈ 5.4% | |
Rim Diameter | 20.00" | 20.00" | - | - | |
Rim width range | 9.0"–11.0" | 7.5"–9.5" | - | - |
Can I use 275/60R20 instead of 315/60R20?
No, it is not recommended. Switching from a 315/60R20 to a 275/60R20 results in a -5.4% diameter reduction (34.9" down to 33.0"), which exceeds the industry-standard ±3% tolerance. This 1.9-inch height drop reduces ground clearance by nearly an inch and causes the speedometer to read 3.4 mph faster at a displayed 60 mph. Such a deviation can disrupt ABS, Traction Control, and ESC systems, which rely on precise revolutions per mile, while the 275/60R20’s typically lower Load Index may fail to safely support the vehicle's original weight requirements.
What Is The Difference Between 315/60R20 vs 275/65R20?
The key differences between the 315/60R20 and the 275/65R20 are that the 315/60R20 is a wider tire with a slightly larger overall profile, measuring 34.9 inches in diameter compared to the 275/65R20’s 34.1 inches, resulting in a 0.8-inch height increase and a 0.4-inch gain in ground clearance.
In terms of width, the 315/60R20 offers a much broader 12.4-inch footprint versus the 10.8-inch width of the 275/65R20-a 1.6-inch difference-while its 7.4-inch sidewall is only 0.4 inches taller than the 275/65R20’s 7.0-inch sidewall.
The differences in measurements between 315/60R20 and 275/65R20 tire sizes are shown in the below table:
Tire dimensions | 315/60R20 tires dimensions in millimetre (mm) and inches (") | 275/65R20 tires dimensions in millimetre (mm) and inches (") | Difference b/w 315/60R20 and 275/65R20 in millimetre (mm) and inches (") | Percentage ≈ difference |
Section Width | 315.00 mm (≈ 12.4") | 275.00 mm (≈ 10.8") | 40.00 mm (≈ 1.6") | ≈ 12.7% |
Sidewall Height | 189.00 mm (≈ 7.4") | 178.75 mm (≈ 7.0") | 10.25 mm (≈ 0.4") | ≈ 5.4% |
Overall Diameter | 886.00 mm (≈ 34.9") | 865.50 mm (≈ 34.1") | 20.50 mm (≈ 0.8") | ≈ 2.3% |
Circumference | 2782.26 mm (≈ 109.6") | 2718.15 mm (≈ 107.0") | 64.10 mm (≈ 2.5") | ≈ 2.3% |
Radius | 443.00 mm (≈ 17.4") | 432.75 mm (≈ 17.0") | 10.25 mm (≈ 0.4") | ≈ 2.3% |
Rim Diameter | 20.00" | 20.00" | 0.00 mm (≈ 0.0") | 0.0% |
Rim width range | 9.0"–11.0" | 7.5"–9.5" | - | - |
Can I use 275/65R20 instead of 315/60R20?
Yes, using a 275/65R20 instead of a 315/60R20 is generally accepted and safe. Since the overall diameter difference is only 2.3% (34.1" vs 34.9"), it falls well within the industry-standard ±3% tolerance for tire size deviations.
This 0.8-inch height reduction results in a negligible 0.4-inch loss in ground clearance and will only cause your speedometer to read approximately 1.4 mph faster at a displayed 60 mph. Because the 275/65R20 is 1.6 inches narrower, it often provides better clearance from suspension components and can safely fit on narrower factory wheels (7.5" to 9.5" wide) where a 315-width tire might rub.
Recommended 315/60R20 Tires
Well-regarded options in 315/60R20 size include:
- 315 60r20 tires cheap: Yokohama Geolandar X-AT
- 315 60r20 all-season: Nitto Recon Grappler A/T
- 315 60r20 rugged-terrain: Toyo Open Country R/T
- 315 60r20 all-terrain: Nitto Recon Grappler A/T
FAQ
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