225/50R17 tire size
A 225/50R17 tire is 25.9 inches tall and 8.9 inches wide. Here are its full dimensions, what the numbers mean, and the sizes you can swap it for.
- Overall diameter
- 25.86″ (657 mm)
- Section width
- 8.86″ (225 mm)
- Sidewall height
- 4.43″ (113 mm)
- Wheel diameter
- 17″
- Circumference
- 81.2″
- Revolutions per mile
- 780
What 225/50R17 means
- 225: the tire is 225 mm (8.9 in) wide from sidewall to sidewall.
- 50: the sidewall is 50% of the width, 112.5 mm (4.43 in) tall.
- R: radial construction, used by almost every modern tire.
- 17: it fits a 17-inch wheel.
Overall diameter = 17 + 2 × 4.43 = 25.86 inches.
Sizes equivalent to 225/50R17
These sizes are within 3% of the overall diameter, the usual limit for swapping without speedometer problems.
| Size | Diameter | Difference | Speedometer at 60 mph |
|---|---|---|---|
| 205/55R17 | 25.9″ | +0.1% | 60.0 mph actual |
| 215/40R19 | 25.8″ | -0.3% | 59.8 mph actual |
| 245/35R19 | 25.8″ | -0.4% | 59.8 mph actual |
| 225/45R18 | 26.0″ | +0.4% | 60.3 mph actual |
| 245/40R18 | 25.7″ | -0.5% | 59.7 mph actual |
| 245/45R17 | 25.7″ | -0.7% | 59.6 mph actual |
| 205/50R18 | 26.1″ | +0.8% | 60.5 mph actual |
| 225/40R19 | 26.1″ | +0.9% | 60.5 mph actual |
| 215/45R18 | 25.6″ | -0.9% | 59.4 mph actual |
| 235/35R19 | 25.5″ | -1.5% | 59.1 mph actual |
Going a size taller? 215/55R17 is 26.3″ tall, 1.8% more than 225/50R17. Compare any two sizes in the tire size calculator.
See every common size side by side in the tire size chart.
Questions
What is 225/50R17 in inches?
A 225/50R17 tire is about 25.9 inches tall (657 mm) and 8.9 inches wide, on a 17-inch wheel. In flotation sizing that's roughly 25.9x8.9R17.
How tall is a 225/50R17 tire?
The overall diameter is 25.86 inches: the 17-inch wheel plus two 4.43-inch sidewalls. Actual tires vary by a few tenths of an inch between brands and models.
How many revolutions per mile does a 225/50R17 make?
About 780 revolutions per mile, from a circumference of 81.2 inches.
