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215/75R15 tire size in inches
215/75R15 is 27.70" tall and 8.46" wide, and fits a 15" rim. In flotation (inch) sizing that is roughly 27.7x8.5R15.
215/75R15 dimensions
| Measurement | Inches | Metric |
|---|---|---|
| Overall diameter (height) | 27.70" | 704 mm |
| Section width | 8.46" | 215 mm |
| Sidewall height | 6.35" | 161.2 mm |
| Rim diameter | 15" | 381.0 mm |
| Circumference | 87.0" | 2210 mm |
| Revolutions per mile | 728 | |
| Aspect ratio | 75% (sidewall is 75% of the width) | |
Drawn to scale
Among the 86 sizes for 15" wheels on this site, 215/75R15 is #44 by height (shortest: 195/50R15, tallest: 325/75R15).
What people compare 215/75R15 with
Real comparisons drivers search for, worked out against 215/75R15:
| Compared size | Height | Width | Sidewall | Speedo at true 60 |
|---|---|---|---|---|
| 235/75R15 | +1.18" (+4.26%) | +0.79" | +0.59" | 57.5 mph |
| 205/75R15 | -0.59" (-2.13%) | -0.39" | -0.30" | 61.3 mph |
| 215/70R15 | -0.85" (-3.07%) | 0.00" | -0.42" | 61.9 mph |
| 225/75R15 | +0.59" (+2.13%) | +0.40" | +0.29" | 58.7 mph |
| 225/70R15 | -0.30" (-1.08%) | +0.40" | -0.15" | 60.7 mph |
| 205/70R15 | -1.40" (-5.05%) | -0.39" | -0.70" | 63.2 mph |
How the 215/75R15 numbers are worked out
The size code reads as 215 mm section width, 75% aspect ratio, R for radial construction and 15-inch wheel.
- Sidewall = 215 × 75% = 161.2 mm = 6.35"
- Diameter = 15" + 2 × 6.35" = 27.70"
- Circumference = π × 27.70" = 87.0"
- Revs per mile = 63,360" ÷ 87.0" = 728
Sizes that can replace 215/75R15 on a 15" wheel
Within 3% of 27.70". Last column: speedometer reading at a true 60 mph.
| Size | Diameter | Width | Difference | Speedo at true 60 mph |
|---|---|---|---|---|
| 295/55R15 | 27.78" | 11.61" | +0.29% | 59.8 mph |
| 325/50R15 | 27.80" | 12.80" | +0.36% | 59.8 mph |
| 245/65R15 | 27.54" | 9.65" | -0.58% | 60.3 mph |
| 265/60R15 | 27.52" | 10.43" | -0.65% | 60.4 mph |
| 235/70R15 | 27.95" | 9.25" | +0.9% | 59.5 mph |
| 275/60R15 | 27.99" | 10.83" | +1.05% | 59.4 mph |
| 225/70R15 | 27.40" | 8.86" | -1.08% | 60.7 mph |
| 315/50R15 | 27.40" | 12.40" | -1.08% | 60.7 mph |
| 255/65R15 | 28.05" | 10.04" | +1.26% | 59.3 mph |
| 195/80R15 | 27.28" | 7.68" | -1.52% | 60.9 mph |
| 225/75R15 | 28.29" | 8.86" | +2.13% | 58.7 mph |
| 205/75R15 | 27.11" | 8.07" | -2.13% | 61.3 mph |
One size wider or narrower
Same height on a different wheel size
- 235/75R14 14" (+0.65%)
- 225/75R14 14" (-1.48%)
- 295/50R16 16" (-0.32%)
- 245/60R16 16" (-0.47%)
- 215/70R16 16" (+0.54%)
- 225/65R16 16" (-0.65%)
- 275/55R16 16" (+0.76%)
- 265/55R16 16" (-0.79%)
- 235/65R16 16" (+1.19%)
- 255/60R16 16" (+1.26%)
Questions about 215/75R15
How tall is a 215/75R15 tire in inches?
A 215/75R15 tire is 27.70 inches (704 mm) tall: the 15-inch rim plus two sidewalls of 6.35 inches each.
Is 215/75R15 a 28 inch tire?
Yes. At 27.70 inches tall it is commonly called a 28-inch tire.
How many revolutions per mile does a 215/75R15 make?
About 728 revolutions per mile, based on a calculated circumference of 87.0 inches.
What size can replace 215/75R15?
295/55R15 is the closest match on a 15" rim (+0.29% height). Check load index, speed rating and clearance first.
Compare 215/75R15 against any other size with the tire size calculator.