225/50R17 tire size: 25.86 in tall
Diameter, sidewall, width and revs per mile for 225/50R17, the common sizes within 3% of its diameter, and what each one does to the speedometer.
225/50R17, in short: 25.86 in (657 mm) tall and 225 mm (8.86 in) wide, with a 4.43 in (112.5 mm) sidewall, for a 17-inch wheel. Circumference is 81.24 in, so it turns about 780 times per mile (calculated from the nominal size).
Calculated from the size: sidewall = 225 × 50% = 112.50 mm; diameter = 2 × 4.429 in + 17 in; revs per mile = 63,360 ÷ (π × diameter).
Sizes within 3% of 225/50R17
24 common sizes come within ±3% of 25.86 in: 6 on the same 17-inch wheel, 9 plus-size and 9 minus-size. The last column is what the speedometer shows when the vehicle, set up for 225/50R17, is doing a true 60 mph.
| Size | Fit | Diameter | Difference | Width | Sidewall | Revs/mile (calc.) | Speedometer at a true 60 |
|---|---|---|---|---|---|---|---|
| 225/50R17 | This size | 25.86 in | - | 225 mm | 4.43 in | 780 | 60.0 mph |
| 205/65R15 | Minus 2 | 25.49 in | -1.42% | 205 mm | 5.25 in | 791 | 60.9 mph |
| 215/65R15 | Minus 2 | 26.00 in | +0.56% | 215 mm | 5.50 in | 776 | 59.7 mph |
| 205/70R15 | Minus 2 | 26.30 in | +1.71% | 205 mm | 5.65 in | 767 | 59.0 mph |
| 215/55R16 | Minus 1 | 25.31 in | -2.12% | 215 mm | 4.66 in | 797 | 61.3 mph |
| 205/60R16 | Minus 1 | 25.69 in | -0.67% | 205 mm | 4.84 in | 785 | 60.4 mph |
| 225/55R16 | Minus 1 | 25.74 in | -0.44% | 225 mm | 4.87 in | 783 | 60.3 mph |
| 215/60R16 | Minus 1 | 26.16 in | +1.16% | 215 mm | 5.08 in | 771 | 59.3 mph |
| 205/65R16 | Minus 1 | 26.49 in | +2.45% | 205 mm | 5.25 in | 761 | 58.6 mph |
| 225/60R16 | Minus 1 | 26.63 in | +2.98% | 225 mm | 5.31 in | 757 | 58.3 mph |
| 235/45R17 | Same wheel | 25.33 in | -2.06% | 235 mm | 4.16 in | 796 | 61.3 mph |
| 215/50R17 | Same wheel | 25.46 in | -1.52% | 215 mm | 4.23 in | 792 | 60.9 mph |
| 245/45R17 | Same wheel | 25.68 in | -0.69% | 245 mm | 4.34 in | 785 | 60.4 mph |
| 205/55R17 | Same wheel | 25.88 in | +0.08% | 205 mm | 4.44 in | 779 | 60.0 mph |
| 235/50R17 | Same wheel | 26.25 in | +1.52% | 235 mm | 4.63 in | 768 | 59.1 mph |
| 215/55R17 | Same wheel | 26.31 in | +1.75% | 215 mm | 4.66 in | 767 | 59.0 mph |
| 225/40R18 | Plus 1 | 25.09 in | -2.98% | 225 mm | 3.54 in | 804 | 61.8 mph |
| 235/40R18 | Plus 1 | 25.40 in | -1.77% | 235 mm | 3.70 in | 794 | 61.1 mph |
| 215/45R18 | Plus 1 | 25.62 in | -0.93% | 215 mm | 3.81 in | 787 | 60.6 mph |
| 245/40R18 | Plus 1 | 25.72 in | -0.55% | 245 mm | 3.86 in | 784 | 60.3 mph |
| 225/45R18 | Plus 1 | 25.97 in | +0.44% | 225 mm | 3.99 in | 777 | 59.7 mph |
| 235/45R18 | Plus 1 | 26.33 in | +1.81% | 235 mm | 4.16 in | 766 | 58.9 mph |
| 215/50R18 | Plus 1 | 26.46 in | +2.34% | 215 mm | 4.23 in | 762 | 58.6 mph |
| 225/40R19 | Plus 2 | 26.09 in | +0.88% | 225 mm | 3.54 in | 773 | 59.5 mph |
| 235/40R19 | Plus 2 | 26.40 in | +2.10% | 235 mm | 3.70 in | 764 | 58.8 mph |
A taller tire makes the speedometer read low, a shorter one high. Plus-sizing keeps the diameter close by trading sidewall for wheel. Any replacement needs a load index at least as high as the vehicle's tire placard calls for, and a wheel width the tire is approved for.
225/50R17 compared
225/50R17 side by side with 215/55R17 and 235/45R18: dimension by dimension, and what the swap does to the speedometer.
225/50R17 vs 215/55R17
+1.75% diameter| 225/50R17 | 215/55R17 | Difference | |
|---|---|---|---|
| Overall diameter | 25.86 in | 26.31 in | +0.45 in (+1.8%) |
| Section width | 225 mm | 215 mm | -10 mm |
| Sidewall height | 4.43 in | 4.66 in | +0.23 in |
| Wheel diameter | 17 in | 17 in | +0 in |
| Circumference | 81.2 in | 82.7 in | +1.4 in |
| Revs per mile (calc.) | 780 | 767 | -13 |
215/55R17 is 1.8% taller than 225/50R17. At a true 60 mph the speedometer shows 59.0 mph (it reads low), and when it shows 60 you're doing 61.1 mph.
225/50R17 vs 235/45R18
+1.81% diameter| 225/50R17 | 235/45R18 | Difference | |
|---|---|---|---|
| Overall diameter | 25.86 in | 26.33 in | +0.47 in (+1.8%) |
| Section width | 225 mm | 235 mm | +10 mm |
| Sidewall height | 4.43 in | 4.16 in | -0.27 in |
| Wheel diameter | 17 in | 18 in | +1 in |
| Circumference | 81.2 in | 82.7 in | +1.5 in |
| Revs per mile (calc.) | 780 | 766 | -14 |
235/45R18 is 1.8% taller than 225/50R17. At a true 60 mph the speedometer shows 58.9 mph (it reads low), and when it shows 60 you're doing 61.1 mph.
Which vehicles come with 225/50R17
Vehicles sold in the US that have 225/50R17 as the standard size on these trims, with the page that lists it. The tire placard on the driver's door edge or post has the size, and the load and inflation, for the exact vehicle.
- Honda Accord 2025 model year · LX, SE, EX-L HybridHonda Info Center (Honda official), 2025 Accord wheels and tires
Vehicles mostly picked from Carscoops: 2025 U.S. car sales, full-year top 25 (Car and Driver data, January 2026).
Questions about 225/50R17 tires
How tall is a 225/50R17 tire?
What is 225/50R17 in inches?
How many revolutions per mile does a 225/50R17 tire make?
What size can replace 225/50R17?
225/50R17 vs 215/55R17: what's the difference?
Which vehicles come with 225/50R17 tires?
How these numbers are worked out
- NHTSA: Tire safety, everything rides on it (reading the sidewall and the placard)
- Tire Rack: How do I calculate tire dimensions?
- Jalopnik: What the 3% rule means for your tires (April 2026)
Checked October 2026. Dimensions are nominal, calculated from the size designation. A real tire's diameter, width and revs per mile vary by brand, tread depth, rim width and load, so check the maker's spec sheet.
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