Section Width265 mm (10.4")
Aspect Ratio285%
Rim Diameter12"
Overall Diameter1815 mm (71.5")
Sidewall Height755 mm
Circumference5703 mm
265/285R12 — Buy Tires

Everything to know about the 265/285R12 tire size

Size geometry

A 265/285R12 tire has a 265mm section width and a 285% aspect ratio, mounted on a 12-inch rim. Sidewall height works out to 755.3mm (29.73") and overall outside diameter is 1815.3mm (71.47"). At highway speed the tire completes about 175 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 265/285R12 is unavailable, the closest same-diameter substitutes on the same rim are 255/296R12 and 275/275R12. 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 265/285R12 you can upsize to 275/270R13 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 255/301R11 (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 265/285R12 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 265/285R12

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