Tire Ruler225/50R17 dimensions
| Overall diameter (height) | 25.86″ · 657 mm |
| Section width | 8.86″ · 225 mm |
| Sidewall height | 4.43″ · 113 mm |
| Wheel diameter | 17″ |
| Rim width (rule of thumb) | 6–8″ |
| Circumference | 81.2″ |
| Revolutions per mile | 780 |
| In inches (flotation style) | 25.9 × 8.9R17 |
How it’s calculated: the sidewall is 50% of the 225 mm width = 112.5 mm (4.43″). Add two sidewalls to the 17″ wheel: 17 + 2 × 4.43 = 25.86″.
Bigger tires than 225/50R17 on 17″ wheels
| Size | Height | Taller by | 60 mph reads |
|---|---|---|---|
| 215/55R17 | 26.3″ | +0.45″ (+1.8%) | 61.1 mph |
| 225/55R17 | 26.7″ | +0.89″ (+3.4%) | 62.1 mph |
| 215/60R17 | 27.2″ | +1.30″ (+5.0%) | 63.0 mph |
| 235/55R17 | 27.2″ | +1.32″ (+5.1%) | 63.1 mph |
| 225/60R17 | 27.6″ | +1.77″ (+6.9%) | 64.1 mph |
“60 mph reads” is your real speed when a speedometer set up for 225/50R17 shows 60. Above about 3% taller, most trucks need a leveling kit or lift, and the speedometer should be recalibrated.
Same height on a different wheel size
Changing wheel size (plus or minus sizing) while keeping the overall height keeps your speedometer right:
- 205/65R15: 25.5″ tall on a 15″ wheel (−1.4%)
- 205/60R16: 25.7″ tall on a 16″ wheel (−0.7%)
- 215/60R16: 26.2″ tall on a 16″ wheel (+1.2%)
- 225/45R18: 26.0″ tall on an 18″ wheel (+0.4%)
- 245/40R18: 25.7″ tall on an 18″ wheel (−0.5%)
Frequently asked questions
Is 225/50R17 a 26 inch tire?
Yes. 225/50R17 is 25.86 inches tall, so it's sold and talked about as a 26-inch tire.
What size is 225/50R17 in inches?
225/50R17 is 25.9 inches tall (overall diameter), 8.9 inches wide, with a 4.4 inch sidewall, and fits a 17 inch wheel.
What tire size is equivalent to 225/50R17?
No common size on a 17" wheel is within 1.5% of 225/50R17's diameter. Use the calculator above to compare any size.
What rim width fits 225/50R17?
As a rule of thumb, about 6–8 inches. The tire maker's spec sheet lists the approved range for each model.
How many revolutions per mile does 225/50R17 make?
About 780 revolutions per mile in theory (circumference 81.2 in). Real tires turn slightly more because they flatten under load.