33.5" tall, 9.6" wide, 7.2" sidewall
A 245/75R19 tire is 33.5 inches (850 mm) tall and 9.6 inches wide. The sidewall is 75% of the width, 7.2 inches, on a 19-inch wheel, and the tire turns about 603 times per mile.
In flotation terms that is about 33.5x9.6R19. People often call it a 33-inch tire.
The size most often compared with it is 265/70R19, which is 0.1" taller (+0.4%). At an indicated 60 mph you would be doing 60.2 mph on it.
| Current | New | Difference |
|---|
| Shows | Actual speed |
|---|
Same 19" wheel, within 20 mm of width and 10 points of aspect ratio.
| Size | Diameter | Width | Sidewall | vs 245/75R19 | |
|---|---|---|---|---|---|
| 265/70R19 | 33.6" | 10.4" | 7.3" | +0.4% | |
| 255/70R19 | 33.1" | 10.0" | 7.0" | −1.2% | |
| 245/70R19 | 32.5" | 9.6" | 6.8" | −2.9% | |
| 225/75R19 | 32.3" | 8.9" | 6.6" | −3.5% | |
| 225/70R19 | 31.4" | 8.9" | 6.2" | −6.2% |
Sizes within 2% of 33.5" on 20" or 17" or 18" wheels.
| Size | Diameter | Width | Sidewall | vs 245/75R19 | |
|---|---|---|---|---|---|
| 285/60R20 | 33.5" | 11.2" | 6.7" | −0.0% | |
| 245/85R17 | 33.4" | 9.6" | 8.2" | −0.2% | |
| 265/65R20 | 33.6" | 10.4" | 6.8" | +0.3% | |
| 325/60R18 | 33.4" | 12.8" | 7.7" | −0.3% | |
| 305/65R18 | 33.6" | 12.0" | 7.8" | +0.4% | |
| 315/55R20 | 33.6" | 12.4" | 6.8" | +0.5% |
Actual speed when the speedometer is calibrated for 245/75R19.
| Speedometer shows | on 265/70R19 | on 255/70R19 | on 245/70R19 |
|---|---|---|---|
| 30 mph | 30.1 mph | 29.6 mph | 29.1 mph |
| 45 mph | 45.2 mph | 44.4 mph | 43.7 mph |
| 60 mph | 60.2 mph | 59.3 mph | 58.3 mph |
| 70 mph | 70.3 mph | 69.1 mph | 68.0 mph |
33.5 inches (850 mm). The sidewall is 7.2 inches.
9.6 inches (245 mm) section width, measured sidewall to sidewall.
About 33.5x9.6R19.
265/70R19 is +0.4% in diameter, within the common 3% guideline. It is 0.8" wider.