26.7" tall, 8.5" wide, 6.3" sidewall
A 215/75R14 tire is 26.7 inches (678 mm) tall and 8.5 inches wide. The sidewall is 75% of the width, 6.3 inches, on a 14-inch wheel, and the tire turns about 755 times per mile.
In flotation terms that is about 26.7x8.5R14. People often call it a 27-inch tire.
The size most often compared with it is 195/75R14, which is 1.2" shorter (−4.4%). At an indicated 60 mph you would be doing 57.3 mph on it, more than the 3% change many shops use as a limit.
| Current | New | Difference |
|---|
| Shows | Actual speed |
|---|
Same 14" wheel, within 20 mm of width and 10 points of aspect ratio.
Sizes within 2% of 26.7" on 15" wheels.
| Size | Diameter | Width | Sidewall | vs 215/75R14 | |
|---|---|---|---|---|---|
| 295/50R15 | 26.6" | 11.6" | 5.8" | −0.3% | |
| 245/60R15 | 26.6" | 9.6" | 5.8" | −0.5% | |
| 215/70R15 | 26.9" | 8.5" | 5.9" | +0.6% | |
| 275/55R15 | 26.9" | 10.8" | 6.0" | +0.8% | |
| 305/50R15 | 27.0" | 12.0" | 6.0" | +1.2% | |
| 235/65R15 | 27.0" | 9.3" | 6.0" | +1.2% |
Actual speed when the speedometer is calibrated for 215/75R14.
| Speedometer shows | on 195/75R14 | on 195/70R14 |
|---|---|---|
| 30 mph | 28.7 mph | 27.8 mph |
| 45 mph | 43.0 mph | 41.7 mph |
| 60 mph | 57.3 mph | 55.6 mph |
| 70 mph | 66.9 mph | 64.9 mph |
26.7 inches (678 mm). The sidewall is 6.3 inches.
8.5 inches (215 mm) section width, measured sidewall to sidewall.
About 26.7x8.5R14.
195/75R14 is −4.4% in diameter, more than the common 3% guideline, so expect a speedometer error and check clearance. It is 0.8" narrower.