Section Width225 mm (8.9")
Aspect Ratio145%
Rim Diameter10"
Overall Diameter907 mm (35.7")
Sidewall Height326 mm
Circumference2848 mm
225/145R10 — Buy Tires

Everything to know about the 225/145R10 tire size

Size geometry

A 225/145R10 tire has a 225mm section width and a 145% aspect ratio, mounted on a 10-inch rim. Sidewall height works out to 326.3mm (12.84") and overall outside diameter is 906.5mm (35.69"). At highway speed the tire completes about 351 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 225/145R10 is unavailable, the closest same-diameter substitutes on the same rim are 215/152R10 and 235/139R10. 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 225/145R10 you can upsize to 235/133R11 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 215/158R9 (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 225/145R10 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 225/145R10

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