Section Width225 mm (8.9")
Aspect Ratio68%
Rim Diameter17"
Overall Diameter738 mm (29.1")
Sidewall Height153 mm
Circumference2318 mm
225/68R17 — Buy Tires

Everything to know about the 225/68R17 tire size

Size geometry

A 225/68R17 tire has a 225mm section width and a 68% aspect ratio, mounted on a 17-inch rim. Sidewall height works out to 153.0mm (6.02") and overall outside diameter is 737.8mm (29.05"). At highway speed the tire completes about 431 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 225/68R17 is unavailable, the closest same-diameter substitutes on the same rim are 215/71R17 and 235/65R17. Both keep your speedometer reading within 1% — safe for daily use, ABS, and stability control. Always verify load and speed ratings before swapping.

Plus / minus sizing options

For a 225/68R17 you can upsize to 235/60R18 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 215/77R16 (minus-one) for a softer ride or winter setup. Both stay inside the Âą3% diameter tolerance that ABS and TPMS systems expect.

Vehicle compatibility

0 vehicles in our database run the 225/68R17 tire size from the factory. Aftermarket fitment depends on rim width, offset, and clearance — match these specs to your wheel before purchasing tires.

Vehicles Using 225/68R17

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