33X12.5R17 tires are 33.0″ tall, have a section width of 12.5″, and fit wheels with a diameter of 17. The circumference is 103.6″ that translates into 611 revolutions per mile. As a rule, they can be mounted on the wheels with 17″ x 8.5-11″ rim width. In the metric system, the closest equivalent tire size is 315/65R17.
What is 33X12.5R17 in inches?
| Tire Diameter: | 33.0″ |
| Tire Section Width: | 12.5″ |
| Rim Width Range: | 17″ x 8.5-11″ |
| Sidewall Height: | 8.0″ |
| Circumference: | 103.6″ |
| Revs/Mile: | 611 |
Comparing 33X12.5R17 vs 315/65R17 (Closest Metric Equivalent)
The 33X12.5R17 tire and the 315/65R17 tire have very similar specifications, with only minor differences. The 315/65R17 tire is slightly taller by 0.3%, while the 33X12.5R17 tire is slightly wider by 0.8%.
Additionally, the 315/65R17 tire has a slightly taller sidewall by 1.3% and rotates slightly fewer times per mile (2.3 revs/mile less) than the 33X12.5R17 tire. Overall, these differences are minimal and should not significantly affect their performance or compatibility on a vehicle.
| Parameters | 33×12 50×17 | 315/65R17 | Difference |
| Tire Diameter | 33.0″ | 33.1″ | 0.3% |
| Tire Width | 12.5″ | 12.4″ | -0.8% |
| Sidewall Height | 8.0″ | 8.1″ | 1.3% |
| Circumference | 103.6″ | 104.0″ | 0.4% |
| Revs/Mile | 611.5 | 609.2 | 2.3% |
| Speed Diff Ratio | 1 | 1 | 0.0% |
Alternate sizes – Upsizing Wheels or Tires?
What are 33X12.5R17 close equivalents?
Check out the chart below to find possible alternatives to the 33X12.5R17 tire size staying within the 3%-range of the tire diameter, allowing to choose wider wheels or tires with smaller sidewalls. A good rule of thumb is to avoid decreasing the diameter of the wheel. If you are not sure about the custom sizes, consult the experts or stick to the factory tire size.
| Tire size | Diameter | Difference | Width | Wheel size |
|---|---|---|---|---|
| 255/75R17 | 32.1″ | -2.73% | 10.0″ | 17 |
| 275/70R17 | 32.2″ | -2.42% | 10.8″ | 17 |
| 285/70R17 | 32.7″ | -0.91% | 11.2″ | 17 |
| 305/65R17 | 32.6″ | -1.21% | 12.0″ | 17 |
| 255/80R17 | 33.1″ | 0.3% | 10.0″ | 17 |
| 285/75R17 | 33.8″ | 2.42% | 11.2″ | 17 |
| 295/70R17 | 33.3″ | 0.91% | 11.6″ | 17 |
| 305/70R17 | 33.8″ | 2.42% | 12.0″ | 17 |
| 33X10.5R17 | 33.0″ | 0% | 10.5″ | 17 |
| 33X13R17 | 33.0″ | 0% | 13.0″ | 17 |
| 33X13.5R17 | 33.0″ | 0% | 13.5″ | 17 |
| 33X9.5R17 | 33.0″ | 0% | 9.5″ | 17 |
How to decode 33X12.5R17 tire size in metric?
Trying to decode the size of the tires? Scroll down the page to learn what all these numbers on the sidewall stand for.
| P or LT | The first letter in the string denotes the class. P stands for passenger vehicles, LT is intended for light trucks carrying heavy loads. |
| 318 | It means the width of the tire is 318 millimeters |
| 64 | The tire has an aspect ratio of 64. To put it simple, the sidewall height is 64% of the width, so it would be 8.0″. |
| R | R stands for the Radial, a standard construction method for about 99% of tires. |
| 17 | The tire is designed to fit 17″ x 8.5-11″ rims that are 17 inches in diameter. |
Popular questions about 33X12.5R17 tire size
How wide is a 33X12.5R17 tire?
The tires of the given size have a section width of 12.5″ inches.
How tall is a 33X12.5R17 tire?
The height of the following tire size equals 33.0″ inches.
What rims will fit 33X12.5R17 tires?
For each tire size, often there are several wheel sizes. You can’t put very wide tires on narrow rims or vise versa. You need the rim size of 17″ x 8.5-11″ for 17″ x 8.5-11″ tires.
