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315/75R17 tire size in inches
315/75R17 is 35.60" tall and 12.40" wide, and fits a 17" rim. In flotation (inch) sizing that is roughly 35.6x12.4R17.
315/75R17 dimensions
| Measurement | Inches | Metric |
|---|---|---|
| Overall diameter (height) | 35.60" | 904 mm |
| Section width | 12.40" | 315 mm |
| Sidewall height | 9.30" | 236.2 mm |
| Rim diameter | 17" | 431.8 mm |
| Circumference | 111.8" | 2841 mm |
| Revolutions per mile | 567 | |
| Aspect ratio | 75% (sidewall is 75% of the width) | |
Drawn to scale
Among the 124 sizes for 17" wheels on this site, 315/75R17 is #111 by height (shortest: 205/40R17, tallest: 385/70R17).
315/75R17 against the most popular 17" sizes
| Popular size | Height | Width | Sidewall | Speedo at true 60 |
|---|---|---|---|---|
| 315/70R17 | -1.24" (-3.48%) | 0.00" | -0.62" | 62.2 mph |
| 285/70R17 | -2.89" (-8.12%) | -1.18" | -1.45" | 65.3 mph |
| 265/70R17 | -3.99" (-11.21%) | -1.97" | -2.00" | 67.6 mph |
| 285/75R17 | -1.77" (-4.97%) | -1.18" | -0.88" | 63.1 mph |
| 295/70R17 | -2.34" (-6.57%) | -0.79" | -1.17" | 64.2 mph |
How the 315/75R17 numbers are worked out
The size code reads as 315 mm section width, 75% aspect ratio, R for radial construction and 17-inch wheel.
- Sidewall = 315 × 75% = 236.2 mm = 9.30"
- Diameter = 17" + 2 × 9.30" = 35.60"
- Circumference = π × 35.60" = 111.8"
- Revs per mile = 63,360" ÷ 111.8" = 567
Sizes that can replace 315/75R17 on a 17" wheel
Within 3% of 35.60". Last column: speedometer reading at a true 60 mph.
| Size | Diameter | Width | Difference | Speedo at true 60 mph |
|---|---|---|---|---|
| 295/80R17 | 35.58" | 11.61" | -0.06% | 60 mph |
| 335/70R17 | 35.46" | 13.19" | -0.39% | 60.2 mph |
| 275/85R17 | 35.41" | 10.83" | -0.53% | 60.3 mph |
| 345/70R17 | 36.02" | 13.58" | +1.18% | 59.3 mph |
| 285/85R17 | 36.07" | 11.22" | +1.32% | 59.2 mph |
| 305/75R17 | 35.01" | 12.01" | -1.66% | 61 mph |
| 325/75R17 | 36.19" | 12.80" | +1.66% | 59 mph |
| 305/80R17 | 36.21" | 12.01" | +1.71% | 59 mph |
| 285/80R17 | 34.95" | 11.22" | -1.83% | 61.1 mph |
| 325/70R17 | 34.91" | 12.80" | -1.94% | 61.2 mph |
| 350/70R17 | 36.29" | 13.78" | +1.94% | 58.9 mph |
| 265/85R17 | 34.74" | 10.43" | -2.42% | 61.5 mph |
One size wider or narrower
- Narrower: 305/75R17 — 12.01" wide, 35.01" tall
- Wider: 325/75R17 — 12.80" wide, 36.19" tall
Same height on a different wheel size
- 295/85R16 16" (+0.39%)
- 335/75R16 16" (+0.51%)
- 315/80R16 16" (+0.67%)
- 305/80R16 16" (-1.1%)
- 325/75R16 16" (-1.15%)
- 375/65R16 16" (-1.15%)
- 285/85R16 16" (-1.49%)
- 375/60R18 18" (+0.34%)
- 265/85R18 18" (+0.39%)
- 295/75R18 18" (-0.51%)
Questions about 315/75R17
How tall is a 315/75R17 tire in inches?
A 315/75R17 tire is 35.60 inches (904 mm) tall: the 17-inch rim plus two sidewalls of 9.30 inches each.
Is 315/75R17 a 36 inch tire?
Yes. At 35.60 inches tall it is commonly called a 36-inch tire.
How many revolutions per mile does a 315/75R17 make?
About 567 revolutions per mile, based on a calculated circumference of 111.8 inches.
What size can replace 315/75R17?
295/80R17 is the closest match on a 17" rim (-0.06% height). Check load index, speed rating and clearance first.
Compare 315/75R17 against any other size with the tire size calculator.