Section Width255 mm (10.0")
Aspect Ratio222%
Rim Diameter30"
Overall Diameter1894 mm (74.6")
Sidewall Height566 mm
Circumference5951 mm
255/222R30 — Buy Tires

Everything to know about the 255/222R30 tire size

Size geometry

A 255/222R30 tire has a 255mm section width and a 222% aspect ratio, mounted on a 30-inch rim. Sidewall height works out to 566.1mm (22.29") and overall outside diameter is 1894.2mm (74.57"). At highway speed the tire completes about 168 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 255/222R30 is unavailable, the closest same-diameter substitutes on the same rim are 245/231R30 and 265/214R30. 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 255/222R30 you can upsize to 265/209R31 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 245/236R29 (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 255/222R30 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 255/222R30

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