Home › 17" tire sizes › 245/65R17
245/65R17 tire size in inches
245/65R17 is 29.54" tall and 9.65" wide, and fits a 17" rim. In flotation (inch) sizing that is roughly 29.5x9.6R17.
245/65R17 dimensions
| Measurement | Inches | Metric |
|---|---|---|
| Overall diameter (height) | 29.54" | 750 mm |
| Section width | 9.65" | 245 mm |
| Sidewall height | 6.27" | 159.2 mm |
| Rim diameter | 17" | 431.8 mm |
| Circumference | 92.8" | 2357 mm |
| Revolutions per mile | 683 | |
| Aspect ratio | 65% (sidewall is 65% of the width) | |
Drawn to scale
Among the 124 sizes for 17" wheels on this site, 245/65R17 is #53 by height (shortest: 205/40R17, tallest: 385/70R17).
What people compare 245/65R17 with
Real comparisons drivers search for, worked out against 245/65R17:
| Compared size | Height | Width | Sidewall | Speedo at true 60 |
|---|---|---|---|---|
| 245/70R17 | +0.96" (+3.25%) | 0.00" | +0.48" | 58.1 mph |
| 235/65R17 | -0.51" (-1.73%) | -0.40" | -0.26" | 61.1 mph |
| 225/65R17 | -1.02" (-3.45%) | -0.79" | -0.51" | 62.1 mph |
| 265/70R17 | +2.07" (+7.01%) | +0.78" | +1.03" | 56.1 mph |
| 245/75R17 | +1.93" (+6.53%) | 0.00" | +0.96" | 56.3 mph |
| 265/65R17 | +1.02" (+3.45%) | +0.78" | +0.51" | 58 mph |
| 255/65R17 | +0.51" (+1.73%) | +0.39" | +0.26" | 59 mph |
How the 245/65R17 numbers are worked out
The size code reads as 245 mm section width, 65% aspect ratio, R for radial construction and 17-inch wheel.
- Sidewall = 245 × 65% = 159.2 mm = 6.27"
- Diameter = 17" + 2 × 6.27" = 29.54"
- Circumference = π × 29.54" = 92.8"
- Revs per mile = 63,360" ÷ 92.8" = 683
Sizes that can replace 245/65R17 on a 17" wheel
Within 3% of 29.54". Last column: speedometer reading at a true 60 mph.
| Size | Diameter | Width | Difference | Speedo at true 60 mph |
|---|---|---|---|---|
| 265/60R17 | 29.52" | 10.43" | -0.07% | 60 mph |
| 315/50R17 | 29.40" | 12.40" | -0.47% | 60.3 mph |
| 225/70R17 | 29.40" | 8.86" | -0.47% | 60.3 mph |
| 215/75R17 | 29.70" | 8.46" | +0.54% | 59.7 mph |
| 285/55R17 | 29.34" | 11.22" | -0.68% | 60.4 mph |
| 295/55R17 | 29.78" | 11.61" | +0.81% | 59.5 mph |
| 235/70R17 | 29.95" | 9.25" | +1.39% | 59.2 mph |
| 275/60R17 | 29.99" | 10.83" | +1.52% | 59.1 mph |
| 255/60R17 | 29.05" | 10.04" | -1.66% | 61 mph |
| 255/65R17 | 30.05" | 10.04" | +1.73% | 59 mph |
| 235/65R17 | 29.03" | 9.25" | -1.73% | 61.1 mph |
| 305/50R17 | 29.01" | 12.01" | -1.79% | 61.1 mph |
One size wider or narrower
- Narrower: 235/65R17 — 9.25" wide, 29.03" tall
- Wider: 255/65R17 — 10.04" wide, 30.05" tall
Same height on a different wheel size
- 255/80R14 14" (+1.76%)
- 285/65R15 15" (+0.17%)
- 265/70R15 15" (+0.24%)
- 245/75R15 15" (-0.24%)
- 305/60R15 15" (-0.44%)
- 235/80R15 15" (+0.88%)
- 315/60R15 15" (+1.15%)
- 225/80R15 15" (-1.25%)
- 275/65R15 15" (-1.59%)
- 255/70R15 15" (-1.62%)
Questions about 245/65R17
How tall is a 245/65R17 tire in inches?
A 245/65R17 tire is 29.54 inches (750 mm) tall: the 17-inch rim plus two sidewalls of 6.27 inches each.
Is 245/65R17 a 30 inch tire?
Yes. At 29.54 inches tall it is commonly called a 30-inch tire.
How many revolutions per mile does a 245/65R17 make?
About 683 revolutions per mile, based on a calculated circumference of 92.8 inches.
What size can replace 245/65R17?
265/60R17 is the closest match on a 17" rim (-0.07% height). Check load index, speed rating and clearance first.
Compare 245/65R17 against any other size with the tire size calculator.