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305/75R17 tire size in inches
305/75R17 is 35.01" tall and 12.01" wide, and fits a 17" rim. In flotation (inch) sizing that is roughly 35.0x12.0R17.
305/75R17 dimensions
| Measurement | Inches | Metric |
|---|---|---|
| Overall diameter (height) | 35.01" | 889 mm |
| Section width | 12.01" | 305 mm |
| Sidewall height | 9.01" | 228.8 mm |
| Rim diameter | 17" | 431.8 mm |
| Circumference | 110.0" | 2794 mm |
| Revolutions per mile | 576 | |
| Aspect ratio | 75% (sidewall is 75% of the width) | |
Drawn to scale
Among the 124 sizes for 17" wheels on this site, 305/75R17 is #107 by height (shortest: 205/40R17, tallest: 385/70R17).
305/75R17 against the most popular 17" sizes
| Popular size | Height | Width | Sidewall | Speedo at true 60 |
|---|---|---|---|---|
| 315/70R17 | -0.65" (-1.86%) | +0.39" | -0.33" | 61.1 mph |
| 285/70R17 | -2.30" (-6.57%) | -0.79" | -1.16" | 64.2 mph |
| 265/70R17 | -3.40" (-9.71%) | -1.58" | -1.71" | 66.5 mph |
| 285/75R17 | -1.18" (-3.37%) | -0.79" | -0.59" | 62.1 mph |
| 295/70R17 | -1.75" (-5%) | -0.40" | -0.88" | 63.2 mph |
How the 305/75R17 numbers are worked out
The size code reads as 305 mm section width, 75% aspect ratio, R for radial construction and 17-inch wheel.
- Sidewall = 305 × 75% = 228.8 mm = 9.01"
- Diameter = 17" + 2 × 9.01" = 35.01"
- Circumference = π × 35.01" = 110.0"
- Revs per mile = 63,360" ÷ 110.0" = 576
Sizes that can replace 305/75R17 on a 17" wheel
Within 3% of 35.01". Last column: speedometer reading at a true 60 mph.
| Size | Diameter | Width | Difference | Speedo at true 60 mph |
|---|---|---|---|---|
| 285/80R17 | 34.95" | 11.22" | -0.17% | 60.1 mph |
| 325/70R17 | 34.91" | 12.80" | -0.29% | 60.2 mph |
| 265/85R17 | 34.74" | 10.43" | -0.77% | 60.5 mph |
| 275/85R17 | 35.41" | 10.83" | +1.14% | 59.3 mph |
| 335/70R17 | 35.46" | 13.19" | +1.29% | 59.2 mph |
| 295/80R17 | 35.58" | 11.61" | +1.63% | 59 mph |
| 295/75R17 | 34.42" | 11.61" | -1.69% | 61 mph |
| 315/75R17 | 35.60" | 12.40" | +1.69% | 59 mph |
| 315/70R17 | 34.36" | 12.40" | -1.86% | 61.1 mph |
| 275/80R17 | 34.32" | 10.83" | -1.97% | 61.2 mph |
| 255/85R17 | 34.07" | 10.04" | -2.68% | 61.7 mph |
| 345/70R17 | 36.02" | 13.58" | +2.88% | 58.3 mph |
One size wider or narrower
Same height on a different wheel size
- 285/85R16 16" (+0.17%)
- 325/75R16 16" (+0.51%)
- 375/65R16 16" (+0.51%)
- 305/80R16 16" (+0.57%)
- 315/75R16 16" (-1.17%)
- 295/80R16 16" (-1.23%)
- 275/85R16 16" (-1.71%)
- 255/85R18 18" (+0.17%)
- 335/65R18 18" (+0.4%)
- 285/75R18 18" (-0.51%)
Questions about 305/75R17
How tall is a 305/75R17 tire in inches?
A 305/75R17 tire is 35.01 inches (889 mm) tall: the 17-inch rim plus two sidewalls of 9.01 inches each.
Is 305/75R17 a 35 inch tire?
Yes. At 35.01 inches tall it is commonly called a 35-inch tire.
How many revolutions per mile does a 305/75R17 make?
About 576 revolutions per mile, based on a calculated circumference of 110.0 inches.
What size can replace 305/75R17?
285/80R17 is the closest match on a 17" rim (-0.17% height). Check load index, speed rating and clearance first.
Compare 305/75R17 against any other size with the tire size calculator.