28.5" tall, 9.6" wide, 6.3" sidewall
A 245/65R16 tire is 28.5 inches (725 mm) tall and 9.6 inches wide. The sidewall is 65% of the width, 6.3 inches, on a 16-inch wheel, and the tire turns about 707 times per mile.
In flotation terms that is about 28.5x9.6R16. People often call it a 29-inch tire.
The size most often compared with it is 225/75R16, which is 0.7" taller (+2.6%). At an indicated 60 mph you would be doing 61.6 mph on it.
| Current | New | Difference |
|---|
| Shows | Actual speed |
|---|
Same 16" wheel, within 20 mm of width and 10 points of aspect ratio.
| Size | Diameter | Width | Sidewall | vs 245/65R16 | |
|---|---|---|---|---|---|
| 225/75R16 | 29.3" | 8.9" | 6.6" | +2.6% | |
| 245/70R16 | 29.5" | 9.6" | 6.8" | +3.4% | |
| 265/65R16 | 29.6" | 10.4" | 6.8" | +3.6% | |
| 235/75R16 | 29.9" | 9.3" | 6.9" | +4.7% | |
| 255/70R16 | 30.1" | 10.0" | 7.0" | +5.3% | |
| 245/75R16 | 30.5" | 9.6" | 7.2" | +6.8% | |
| 265/70R16 | 30.6" | 10.4" | 7.3" | +7.2% | |
| 255/75R16 | 31.1" | 10.0" | 7.5" | +8.8% | |
| 265/75R16 | 31.6" | 10.4" | 7.8" | +10.9% |
Sizes within 2% of 28.5" on 15" or 17" wheels.
| Size | Diameter | Width | Sidewall | vs 245/65R16 | |
|---|---|---|---|---|---|
| 215/80R15 | 28.5" | 8.5" | 6.8" | +0.0% | |
| 325/45R17 | 28.5" | 12.8" | 5.8" | −0.1% | |
| 265/65R15 | 28.6" | 10.4" | 6.8" | +0.1% | |
| 245/70R15 | 28.5" | 9.6" | 6.8" | −0.1% | |
| 245/60R17 | 28.6" | 9.6" | 5.8" | +0.1% | |
| 285/60R15 | 28.5" | 11.2" | 6.7" | −0.3% |
Actual speed when the speedometer is calibrated for 245/65R16.
| Speedometer shows | on 225/75R16 | on 245/70R16 | on 265/65R16 |
|---|---|---|---|
| 30 mph | 30.8 mph | 31.0 mph | 31.1 mph |
| 45 mph | 46.2 mph | 46.5 mph | 46.6 mph |
| 60 mph | 61.6 mph | 62.0 mph | 62.2 mph |
| 70 mph | 71.8 mph | 72.4 mph | 72.5 mph |
28.5 inches (725 mm). The sidewall is 6.3 inches.
9.6 inches (245 mm) section width, measured sidewall to sidewall.
About 28.5x9.6R16.
225/75R16 is +2.6% in diameter, within the common 3% guideline. It is 0.8" narrower.